Dissertations / Theses: 'Physical'

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Ahmed, Zubair. "Rock Physics Characterization using Physical Methods on Powders." Thesis, Curtin University, 2018. http://hdl.handle.net/20.500.11937/75690.

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This study describes a detailed investigation of quantifying key micro-structural parameters of the unconsolidated granular media and their relationship with the grain shape factors calculated from micro-CT images. These parameters are combined with the contact based effective medium models to calculate the elastic properties of the constituent grains after utilising stress dependent ultrasonic velocities of the samples. Thus developed techniques produce good results for mono-mineral quartz sands and one of the poly-mineral rock powder.

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Bloomfield, Jonathan R. "Soccer : physical characteristics, physical demands of match-play and effective physical conditioning." Thesis, University of Hull, 2005. http://hydra.hull.ac.uk/resources/hull:5666.

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The overall purpose of this thesis was to examine the physical aspects of high performance soccer. As such, four interrelated studies were designed to pursue this purpose. Each study was designed to overcome certain distinct methodological limitations of previous science and football (soccer) research and build upon existing research. The research designs for each of the four studies were methodologically different and progressed from previous research design incorporating data collected and analysed from text and internet sources, computerised video-analysis of interactive televised material and combined performance and laboratory assessments. In the following section the purpose of each study included in this thesis is provided and the rationale underpinning the selection of each research design is explained. Study 1: Analysis of Age, Stature, Body Mass, BNH and Quality of Elite Soccer Players from four European Leagues For many sports, there are specific physical characteristics that indicate suitability for, or potential to compete in that sport at the highest level. Various anthropometric characteristics of athletes have been shown to be reasonable predictors for participation at the highest level in sports such as swimming (Ackland et al., 1993), basketball, rugby league and American football (Norton and Olds, 2000). Surprisingly, there is no research available exploring these characteristics in soccer, particularly within the elite European soccer. It might well be that the recent changes in demands in soccer( Williams et al., 1999) PhD Thesis 6 Jonathan R- Bloomfield have been accompanied by physical characteristic changes in soccer players that have been of greater magnitude than that of the normal population. This is an important issue because even small changes in these physical characteristics of players could result in a large reduction in the pool of people to draw from in the general population who have the suitable physical characteristics to be successful in soccer (Olds, 2001). Furthermore, the comparison of players in different leagues and in different positions might provide some valuable information regarding the different demands placed on soccer players in different leagues (Reilly et al, 2000a; Rienzi et al, 2000; Strudwick et al., 2002). It is well documented that different positions in soccer constitute various different demands. Such findings suggest heterogeneity in physical characteristics that might be important for success in particular positions in soccer (Strudwick et al., 2002). The first aim of the present study was to investigate whether there are physical differences (age, stature, body mass, body mass index) between players in different positions in four European soccer leagues. This will also provide information into the diversity in playing style as well as the variation in what is being valued in soccer players in the various countries. This results in valuable information for the adaptation of different physical conditioning regimes as well as implications for talent identification (Fisher and Dean, 1998). The second aim of the present study was to assess the quality of the players of each of the four European leagues by surveying their international status, nationality and FIFA world ranking as well as participation in the FIFA World Cup 2002. This will offer information regarding the actual quality of international players within these leagues which, in turn, provides information about which league would be of the highest quality, differences in playing style and player selection. As the four leading European leagues were selected for analysis, the results provide beneficial information concerning the current status and possible future development of European soccer. Study 2: The 'Bloomfield Movement Classification': Motion Analysis of Individual Soccer Players In close relation with the investigation of the physical characteristics of elite level players, it was also aimed to identify the physical demands of performance. Computerised video-analysis was selected as the most appropriate platform to incorporate a study using the time-motion analysis methodology. This involves the notation of various subjectively or objectively chosen modes of motion which are digitally timed throughout the performance. To date, fewer than 8 modes of motion have often been chosen in time-motion investigation in soccer which arguably does not provide a sufficient degree of specificity to detail the physical demands. A high element of performance specificity must be established to elicit a high degree of transfer from competition into a training regime to optimise competitive performance (Henry, 1968; Barnett et al., 1973; Sale and MacDougall, 1981; Rosenbaum, 1987; Morrissey et al., 1995; Hill et al., 1998). The present study outlined a new approach to time-motion analysis through a method involving a greater depth of detail concerning modes of timed-motion, as well as other non-timed movements, directions, intensities, turning and 'On the Ball' categories. The aim of this study was to present a new methodology and establish reliability. The purpose was to provide a new method to perform a more detailed time-motion analysis study in soccer performance to be used in the third study of this thesis. PhD Thesis 8 Jonathan R. Bloomfield Study 3: Physical Demands of Outfield Positions in FA Premier League Soccer. To elicit an enhancement in soccer performance, it is considered important to analyse the physical demands of match-play (Reilly and Thomas, 1976; All and Farrally, 1991a; Hughes, 2003). Time-motion analysis has been used to investigate these demands. However, many limitations exist with previous research, one of which being the range of classifications used in the collection of data- A high degree of performance specificity is desired to improve coaching practices such as physical conditioning (Barnett et al., 1973). To this end, a new time-motion analysis methodology was designed (see Study 2) and aimed at providing a new level of specificity of performance into the physical demands of high level soccer. Also, the majority of soccer-related time-motion analyses have reported macroscopically with total frequency, total duration or total distance covered providing a summary of the overall physical requirements of soccer. As soccer match-play is essentially an intermittent exercise (Bangsbo, 1994e), it is important to progress the knowledge of the physical nature of the sport and further provide a higher level of specific detail. The aims of the present study were to provide detail regarding intermittent patterns of Purposeful Movement (PM) and Recovery (R), performed by players of three different positions (defender, midfielder and striker), to investigate the reoccurrence of bouts of PM and R within selected time phases and finally provide time-motion analysis of the PM using the BMC. PhD Study 4: Effective Conditioning for Soccer Match-Play The interaction of multiple dynamic physical activities often produces a hybrid of physiological and biomechanical stresses. Higher levels of soccer require increased levels of physical fitness through increased demands from high intensity activity (O'Donoghue et al., 2001; Strudwick and Reffly, 2001; Mohr et al., 2003). Therefore, increased ability to perform complex chains of movement skills (agility) in conjuncture with speed (both acceleration and deceleration) and quickness (overcoming inertia) are relative to high level performance (Withers et al., 1982; Bangsbo, 1992; Reilly, 1994a). This occurs through processes of motor learning and physical conditioning with the rules of specificity and overload as key underlying principles.

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Murakami, Takeshi. "Physically Crosslinked Amphiphilic Elastomers : Network Characteristics and Physical Properties." Kyoto University, 2000. http://hdl.handle.net/2433/180985.

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Amos, Nathaniel. "Connecting Symbolic Integrals to Physical Meaning in Introductory Physics." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1492617581975923.

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Yelling, Martin Rhys. "Physical education, physical activity and the National Curriculum Physical Education : policy, provision and prospects." Thesis, De Montfort University, 2002. http://hdl.handle.net/2086/4097.

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Fein, Allan Jay. "Physical environments and the physical activity of youth." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0002/MQ59802.pdf.

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Tjepkema, Travis T. "Relationship between physical activity and physical fitness attributes." Virtual Press, 1994. http://liblink.bsu.edu/uhtbin/catkey/902485.

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The purpose of this study was to determine the relationship between self-report physical activity as quantified by the Ball State University Adult Physical Fitness Program (BSU-APFP) Physical Activity Code (PAC) and measured physical fitness attributes of participants tested through the Ball State University Adult Physical Fitness Program. For the analysis, subjects were separated into three physical activity groups based on their self-reported PAC. The activity groups were sedentary, moderately active, and active. Comparisons were made among the groups for the following measured physical fitness attributes: age, resting blood pressure and heart rate, body weight, body mass index (BMI), percent body fat, total serum cholesterol, serum triglycerides, and high density lipoprotein cholesterol (HDL-C), and maximal oxygen consumption (VO2max). The subject pool for this study consisted of 2152 participants tested through the BSU-APFP between 1972-1992. A subset analysis was performed comparing serum lipids among the physical activity groups using 1432 participants from the original subject pool. Gender-specific univariate ANOVA's were used to assess differences among the physical activity groups for the physical fitness attributes. Significant differences (p<0.05) were observed between the sedentary and active men for all the physical fitness attributes. Significant differences (p<0.05) were observed between the moderately active and active men for all the physical fitness attributes except age and systolic blood pressure. In addition, significant differences (p<0.05) were observed between the sedentary and moderately active men for body weight, BMI, percent body fat, serum triglycerides and V02max. Significant differences (p<0.05) were observed between the sedentary and active women for all the physical fitness attributes except for age and total cholesterol. Significant differences (p<0.05) were observed between the moderately active and active women for all the physical fitness attributes except age, systolic/diastolic blood pressure and the serum lipids. In addition, significant differences (p<0.05) were observed between the sedentary and moderately active women for BMI, percent body fat, the serum lipids and V02max. The observed differences among the PAC groups were in the expected direction meaning that active men and women had more favorable physical fitness profiles as compared to their less active counterparts.
School of Physical Education

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Spanghero, Marco. "Physical Proximity Verification based on Physical Unclonable Functions." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-234307.

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There are rapidly growing concerns about security of hardware implementing cryptographic algorithms. A compromised device can potentially be used as an entry point for cyberattacks on other devices connected to the network, as evidenced by the recent Spectre and Meltdown CPU bugs. The attack surface of future mobile networks with billions of connected devices will be enormous. This brings a need for new methods for designing secure hardware that constrain the hardware attack surface and protect against classes of attacks that exploit hardware vulnerabilities. Physical Unclonable Functions (PUFs) have been proposed as a low-cost cryptographic primitive suitable for resource-constrained IoT devices. PUFs can be applied to uniquely identify a hardware device and to protect it against counterfeiting and tampering. In this thesis, we show how PUFs can be used for verifying physical proximity of two objects, e.g. a SIM card and a mobile phone. This makes possible checking if a SIM card is indeed located in a mobile phone in order to prevent subscription fraud. The key idea is to decompose a PUF into two parts and to place these parts into the two objects so that only when the objects are physically close to each other the composed PUF computes a correct response to a given challenge. Due to the uniqueness of the PUF responses for a given chip, a correct response provides assurance on the authenticity of two objects as well as their physical proximity. We present an FPGA prototype of the proposed PUF-based physical proximity verification method and discuss it advantages and disadvantages.
Det finns en snabbt växande oro för säkerheten med hårdvara som implementerar kryptografiska algoritmer. En komprometterad enhet kan användas som ingång för en cyberattack på andra enheter anslutna till samma nätverk, vilket nyligen bevisades av CPU-buggarna Specter och Meltdown. Med framtidens mobilnät ökar attackytan enormt då antalet anslutna enheter till ett nätverk kan uppgå till miljarder. Nya metoder behövs för att utforma säker hårdvara som begränsar attackytor och som skyddar mot attacker som utnyttjar sårbarheter i hårdvara. Fysiskt oklonbara funktioner (PUFs, eng. Physical UnclonableFunctions) har föreslagits som en kostnadseffektiv kryptografisk metod lämplig för billiga IoT-enheter. PUF kan användas till att unikt identifiera hårdvara och skydda den mot förfalskning och manipulering. I denna avhandling visar vi hur PUF kan användas för att verifiera att två objekt befinner sig nära varandra, t.ex. ett SIM-kort och en mobiltelefon. Detta gör det möjligt att kontrollera att ett SIM-kort faktiskt finns i en mobiltelefon för att förhindra abonnemangsbedrägerier. Grundtanken är att dela en PUF i två delar och placera de två delarna i varsitt objekt så att först när objekten är fysiskt nära varandra ger de sammansatta PUF-delarna ett korrekt svar på en given utmaning. Eftersom PUF-svaren är unika för ett specifikt chip ger ett korrekt svar en försäkran om de två objektens äkthet samt att de befinner sig fysiskt nära varandra. Vi presenterar en FPGA-prototyp med den föreslagna PUF-baserade fysiska avståndsverifieringsmetoden och diskuterar dess för- och nackdelar.

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Ляшенко, Ірина Володимирівна, Ирина Владимировна Ляшенко, Iryna Volodymyrivna Liashenko, and A. O. Zubchenko. "The Importance of Physical Activity and Physical Education." Thesis, Сумський державний університет, 2019. http://essuir.sumdu.edu.ua/handle/123456789/72547.

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Sport is the perfect school for life. The skills acquired as a result of the game, physical education and sports are the basis for the development of the oligism of youth. Skills such as cooperation and trust are necessary for social cohesion and are realized in adulthood.

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Heaton, Kelly Bowman 1972. "Physical pixels." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/9298.

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Thesis (S.M.)--Massachusetts Institute of Technology, School of Architecture and Planning, Program in Media Arts and Sciences, 2000.
Includes bibliographical references (leaves 48-51).
The picture element, or pixel, is a conceptual unit of representation for digital information. Like all data structures of the computer, pixels are invisible and therefore require an output device to be seen. The physical unit of display, or physical pixel, can be any form that makes the pixel visible. Pixels are often represented as the electronically addressable phosphors of a video monitor, but the potential for different visualizations inspires the development of novel phenotypes. Four new systems of physical pixels are presented: Nami, Peano, the Digital Palette and 20/20 Refurbished. In each case, the combination of material, hardware and software design results in a unique visualization of computation. The chief contribution of this research is the articulation of a mode of artistic practice in which custom units of representation integrate physical and digital media to engender a new art.
by Kelly Bowman Heaton.
S.M.

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Lowdermilk, Margaret A. "Learning Styles of Physical Therapy and Physical Therapist Assistant Students in Accredited Physical Therapy Programs." Digital Commons @ East Tennessee State University, 2016. https://dc.etsu.edu/etd/3081.

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The purpose of this study was to determine the learning styles of Doctor of Physical Therapy (DPT) students and associate degree Physical Therapist Assistant (PTA) students and identify any association between their learning styles and examine the association between gender and age by learning style. Participants included 337 DPT and PTA students attending CAPTE accredited institutions with doctoral DPT or associate PTA programs in Tennessee and southwest Virginia. The Felder (1996) and Soloman Index of Learning Styles (ILS) was used to determine learning style preferences within 4 learning style dimensions (active-reflective, sensing-intuitive, visual-verbal, and sequential-global). Demographics included program of study, gender, age, ethnicity, and highest level of education. Participants were 18-63 years (mean age 25.87, standard deviation 5.62, median age 24); 205 (60.8%) DPT students, 132 (39.2%) PTA students; 205 (60.8%) female, 132 (39.2%) male. Five research questions with 20 null hypotheses were evaluated using Cross-tabulated tables with frequency counts, percentages, and chi square tests. Statistical significance was established using an .05 alpha. Only 1 null hypothesis was rejected (Ho51: There is no difference in the active-reflective learning style among PTA students by age). There was no significant difference between the learning styles of DPT and PTA students. Participants were found to be balanced on the active-reflective dimension, sensing on the sensing-intuitive dimension, visual on the visual-verbal dimension, and balanced on the sequential-global dimension; preferences were toward the active, sensing, visual, and sequential learning styles. This study demonstrated that DPT and PTA students have a balanced learning style with a strong preference toward active, sensing, visual, and sequential. Therefore, teaching methods should provide an instructional environment that addresses these learning style preferences. The student’s awareness of his or her learning style will enable the learner to capitalize on strengths and develop areas of weakness. This ability to employ effective learning strategies will equip an individual for the challenges of his or her chosen profession and lifelong learning.

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Lowdermilk, Margaret, Jim lampley, Stephanie Tweed, and Sandra A. Lampley. "Learning Styles of Physical Therapy and Physical Therapy Assistant Students in Accredited Physical Therapy Programs." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/3006.

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The purpose of this study was to determine the learning styles of Doctor of Physical Therapy (DPT) students and associate degree Physical Therapist Assistant (PTA) students and identify any association between their learning styles and examine the association between gender and age by learning style. Participants included 337 DPT and PTA students attending CAPTE accredited institutions with doctoral DPT or associate PTA programs in Tennessee and southwest Virginia. The Felder (1996) and Soloman Index of Learning Styles (ILS) was used to determine learning style preferences within 4 learning style dimensions (active-reflective, sensing-intuitive, visual-verbal, and sequentialglobal). Demographics included program of study, gender, age, ethnicity, and highest level of education. Participants were 18-63 years (mean age 25.87, standard deviation 5.62, median age 24); 205 (60.8%) DPT students, 132 (39.2%) PTA students; 205 (60.8%) female, 132 (39.2%) male. Five research questions were evaluated using cross-tabulated tables with frequency counts, percentages, and chi square tests. Statistical significance was established using a .05 alpha. There was a significant difference in the active-reflective learning style among PTA students by age. However, there was no significant difference between the learning styles of DPT and PTA students. Participants were found to be balanced on the active-reflective dimension, sensing on the sensing-intuitive dimension, visual on the visual-verbal dimension, and balanced on the sequential-global dimension. All students displayed preferences were toward the active, sensing, visual, and sequential learning styles. This findings demonstrated that DPT and PTA students have a balanced learning style with a strong preference toward active, sensing, visual, and sequential. Therefore, teaching methods should provide an instructional environment that addresses these learning style preferences. The student’s awareness of his or her learning style will enable the learner to capitalize on strengths and develop areas of weakness. This ability to employ effective learning strategies will equip an individual for the challenges of his or her chosen profession and lifelong learning.

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Lowdermilk, Margaret, James Lampley, Stephanie R. Tweed, and Sandra A. Lampley. "Learning Styles of Physical Therapy and Physical Therapy Assistant Students in Accredited Physical Therapy Programs." Digital Commons @ East Tennessee State University, 2017. https://dc.etsu.edu/etsu-works/3036.

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Griffin, Alicia R. "Physical fitness levels in girl's sixth grade physical education." [Denver, Colo.] : Regis University, 2006. http://165.236.235.140/lib/AGriffin2007.pdf.

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Fairclough, Stuart John. "Health-enhancing physical activity during secondary school physical education." Thesis, Liverpool John Moores University, 2005. http://researchonline.ljmu.ac.uk/5792/.

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Giblin, Susan. "Enhancing participation and performance in physical activity through primary level physical education : the role of physical literacy." Thesis, University of Central Lancashire, 2016. http://clok.uclan.ac.uk/18806/.

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Overall, this thesis provides a number of evidence-based studies to address the requirements and methods through which physical skills are developed and assessed in primary school children. With practical requirements at the fore, this work serves to aid teachers and educators in delivering a standardised, evidence based curricula of comprehensive physical education. Additionally, the thesis raises questions about the adequacy of existing theory, policy and practices that lack the empirical validation and offers a useful insight into how this might be rectified in the future.

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Ortiz-Castillo, Esther María. "Physical Activity Patterns and Factors Influencing Physical Activity Participation among Adolescents with Physical Disabilities in Urban Communities." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1313424343.

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Kwan, Tze-keung. "Potential for development of physical education in physically handicapped schools in Hong Kong." Click to view the E-thesis via HKUTO, 1992. http://sunzi.lib.hku.hk/HKUTO/record/B38626123.

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Goodwin, Donna Lynn. "The experience of students with physical disabilities in physical education." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0030/NQ59965.pdf.

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Xu, Peng Liu Zhanjiang. "Physical map construction and physical characterization of channel catfish genome." Auburn, Ala., 2007. http://repo.lib.auburn.edu/Send%2002-04-08/XU_PENG_49.pdf.

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Cappe, Shauna. "Social Barriers to Physical Activity for Individuals with Physical Disabilities." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23339.

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The purpose of this thesis was to explore socially constructed discursive barriers to physical activity for people with physical disabilities. This research was informed by a critical disability studies framework. Eight interviews were conducted, split between end-users and stakeholders. The end-user article discusses their perspectives with regard to their own PA participation, their use of PA resources, and their views of how disability is constructed. The stakeholder article deals with their views with regard to Canada’s progress in creating inclusive PA guidelines, the research process as it effects people with physical disabilities, and how disability is constructed. The results showed awareness among both groups of the social model of disability, but that the medical model is still firmly rooted. Work is needed to create inclusive promotional materials and disseminate them effectively. An effective advocacy and lobbying effort was suggested as one avenue towards a possible solution to this issue.

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Choi, Won S. "The technology that current physical educators use in physical education." Virtual Press, 2006. http://liblink.bsu.edu/uhtbin/catkey/1355600.

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As teachers and society become more comfortable with various technologies, it is likely that technology will be implemented in all areas of the educational curriculum as well as physical education. The purpose of this study was to determine the extent to which individual physical education teachers in public schools were using technology as a tool for their students' education. Individuals who were currently teaching physical education in public schools in Indiana completed the Computer Usage Survey on the web (N = 400). To determine types of technology used, potential uses for technology, difference in the implementation of technology by gender and teaching experience, usage of the Internet, and physical educators' attitudes toward technology, statistics including descriptive statistics, Chi-square (X ), and One-way ANOVA were used (p < .05). The results of this study show that physical educators were more likely to use PC computers (both desktop and laptop) over Apple computers. Participant responses demonstrated a high usage of hardware devices such as Printers, hard drives, and CD drives, however, 5.25 floppy drives, external hard drives, Hand-held computers (i.e. Pocket PC or Companion PC), Personal Digital Assistants (PDAs), and smart boards were rarely used by physical educators. A significant positive relationship resulted between use of technology at school and at home. Significant differences were observed between male and female physical educators in types of technology used and purposes for using technology. Use of technology was significantly lower in the experienced physical educators group. Most of the physical educators use the Internet and they usually use it for research and teaching/assessment ideas. Physical educators in Indiana believed that technology has an important role and can enhance their teaching with implementation of technology. The findings of the present study demonstrated that use of technology among physical educators in Indiana has been changed dramatically within 10 years; however, the result emphasized importance of technology training programs for pre-service and in-service physical educators.
School of Physical Education, Sport, and Exercise Science

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Maulden, Robert. "Tectonics in architecture : from the physical to the meta-physical." Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/78804.

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Thesis (M. Arch.)--Massachusetts Institute of Technology, Dept. of Architecture, 1986.
MICROFICHE COPY AVAILABLE IN ARCHIVES AND ROTCH
Includes bibliographical references (p. 195-201).
Tectonics in architecture is defined as "the science or art of construction, both in relation to use and artistic design." It refers not just to the "activity of making the materially requisite construction that answers certain needs, but rather to the activity that raises this construction to an art form." It is concerned with the modeling of material to bring the material into presence: from the physical into the meta-physical world. The topic is, in part, a reaction to some contemporary trends in architecture. Part one discusses two current trends perceived to be negative: the effacement of history, both in an architectural and a temporal sense; and the tendency toward scenographic representation. Part two discusses the external references and internal references of buildings. These references are developed in two ways: a building's inter-consciousness and inner-consciousness. The former is concerned with the general circumstances of a building, (physical, social, political, economic), or in Heidegger's terms, the way in which it "gathers the fourfold," and the latter is concerned with the intrinsic properties of a building. The two are completely interdependent, however, this thesis is primarily concerned with a building's inner-consciousness. Part three defines tectonics first by discussing its relation with meta-physics; second by tracing an abbreviated lineage of nineteenth century German practitioners and theorists; third by describing different kinds of tectonic expression and finally by outlining only a few "subjects" of tectonic architecture. Part four examines two examples in detail - the 25bis Rue Franklin Apartment Building by August Perret, and the Richards Medical Research Laboratories by Louis Kahn. These are intended to give concrete examples of some of the issues and subjects discussed previously in the thesis. Tectonics is primarily concerned with the making of architecture in a modem world. Its value is seen as being a partial strategy for an architecture rooted in time and place, as well as an architecture of "depth." In bringing the physical into the meta-physical, tectonics begins to talk of a poetic of construction.
by Robert Maulden.
M.Arch.

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Clarke, Kerry. "Physical activity referral schemes : adherence and physical activity behaviour change." Thesis, University of Northampton, 2013. http://nectar.northampton.ac.uk/7483/.

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It is well known that engaging in physical activity (PA) reduces the risk of developing non-communicable diseases and improves general health. However, at the time of this research, less than half of the UK population met the recommended levels of PA (DH, 2010). Physical activity referral schemes (PARS) are one of the interventions available in primary care (NICE, 2006a) for disease prevention and health improvement, despite a high dropout rate (Gidlow, 2005) and unknown long-term effectiveness (Pavey et al., 2011). The main aim of the four studies presented in this thesis was to explore the adherence and behaviour change towards PARS in Northamptonshire. The first study measured the long-term change in PA levels after participation in Activity on Referral (AOR). The key outcome was a significant increase in self-reported long-term PA levels (mean difference 1000 MET minutes/week) for 105 adhering participants from a total of 2228 participants. One in every 21 referred individuals self-reported an increase in PA at 12 months. To explore the high levels of non-adherence, an interpretative phenomenological analysis (IPA; Smith, 1996) was conducted with seven non-adhering AOR participants. The findings showed that being listened to at the point of referral, a range of positive experiences during the induction, alternative opportunities to increase activity, and potential to re-engage in PARS were some of the factors that enhanced adherence. Even though currently the key behaviour change measure for a PA intervention is an increase in PA, there is no gold standard self-reporting PA measure. Therefore, the third study was a comparison that tested the applicability of the new General Practice Physical Activity Questionnaire (GPPAQ) and the internationally validated International Physical Activity Questionnaire (IPAQ). The GPPAQ is recommended to be used as a screening tool by health professionals for the latest PARS called Let‟s Get Moving (LGM). There was a significantly weak association between IPAQ and GPPAQ. Hence, the GPPAQ is only recommended to be used as a PA screening tool and not for evaluating PA levels for PARS research studies. The final study was based on the new LGM physical activity care pathway which included a brief intervention using Motivational Interviewing (MI), a communication style that elicits the individuals‟ ambivalence regarding PA. Eight out of 21 participants self-reported a PA increase at 6 months and the MI used during the PARS was coded at beginner level. The two PARS included in this thesis were compared for adherence; LGM adherence was 65% compared to 23% AOR adherence at 3 months. In conclusion, this research has demonstrated that PA levels do increase for PARS participants in the long term, but the dropout rate can be concerning. By using a mixed-methods approach, the lived experience of participants enhances the understanding of reasons behind non-adherence. The comparative study involving LGM and AOR samples showed that interventions with elements of MI might be a better investment of commissioned resources.

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Arafsha, Faisal. "Configurable Medical Cyber-Physical System Framework for Physical Activity Monitoring." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/38793.

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A digital twin facilitates the means to monitor, understand, and optimize the functions of the physical entity and provides continuous feedback to improve quality of life, and Medical Cyber-Physical Systems (MCPS) is an integral part of this vision. Many studies focus on human motion to digitize data for further analysis. The literature review presented here emphasizes on gait analysis and gait events detection using wearable devices, which compare results by testing on different groups of individuals. Amongst those, there is a focus on digitizing activities for athletes and sports activities. However, there is a lack of research that address configurability for this type of MCPS. Adding new physical devices to an established MCPS requires manual configuration. Recent studies either solve the issue of users’ mobility by providing a wireless solution with local storage, or sacrifice mobility in order to provide real-time information through wired communication. However, group physical activity applications, such as sports coaching and group physiotherapy, use customized devices that need to be automatically configured in the system. In addition, these systems need to support mobility and real-time data presentation. To solve this problem, a framework is proposed to design a wellbeing Cyber-Physical System (CPS) that focuses on system configurability, providing real-time data of body sensor networks while supporting wireless and mobile communication. A communication protocol is proposed to allow seamless integration and communication of system components, and to enable bandwidth-conscious data transmission. As a proof of concept, a configurable CPS for gait activities monitoring is designed to read, visualize, and backup spatiotemporal data from one or more multi-sensory physical devices over conventional Wi-Fi and in real-time. Two experiments were performed using the implemented CPS. The first experiment was performed outdoors and tested if the CPS components would recognize each other and work seamlessly over foreign networks while providing usable information. The second experiment was performed in collaboration with the Health Sciences Department using our system and the Tekscan Strideway gait mat simultaneously to compare results and to ensure accuracy. In addition, this experiment tested configurability of the system by using different measurement devices for different users.

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Spurkland, Kristin. "Framing Physical Activity| Weight Control Frames and Physical Activity Motivation." Thesis, Portland State University, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10824567.

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Public health institutions and popular media frequently frame weight loss and weight control as primary benefits of physical activity. This exploratory, descriptive study examined how respondents rated statements exemplifying three physical activity frames: a weight control frame, a medical frame, and an active embodiment frame. An anonymous, online survey was conducted in March 2018; respondents rated frame statements in terms of inspiring motivation to engage in physical activity, and in terms of perceived credibility. They also provided anthropometric data and physical activity data. Data were analyzed for the entire sample as well as stratified by multiple variables, including body mass index, waist circumference, age, and physical activity levels.

Overall, the weight control frame was rated the lowest in terms of motivation, and rated moderately in terms of credibility. The active embodiment frame was highly rated in terms of motivation, but did not rate highly in terms of credibility. The medical frame was rated most credible overall, while achieving moderate motivation ratings. A “credibility/motivation gap” was identified when frames were rated highly on one scale (credibility or motivation), but not the other. These findings have implications for how physical activity is framed in public health messaging, and suggest that, as no single frame dominated both the motivation and credibility ratings, a multi-frame approach may have greater success in motivating people to engage physical activity than does the current, weight-control dominant approach.

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Pinto, Joana Batista de Castro. "Health-related physical fitness and physical activity in Portuguese adolescents." Master's thesis, Universidade de Aveiro, 2015. http://hdl.handle.net/10773/14589.

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Mestrado em Fisioterapia
Introduction: Physiotherapy develops, maintains or restores movement and function, thus maintaining people physically active and with adequate physical condition is one of its main objectives. Therefore, normative values are necessary for the various components of health-‐related physical fitness (HRPF), for the correct prescription of exercise in healthy or not healthy populations. Objective: To contribute to the establishment of normative values of the measures most commonly used in physiotherapy to assess HRPF in Portuguese adolescents, examining gender-‐specific differences and the relationship between HRPF and physical activity (PA). Methods: A cross-‐sectional study was conducted. Socio-‐demographic, anthropometric data and vital signs were collected in adolescents (12-‐17 years old). Their PA levels were assessed using the "Physical Activity Index" (PAI). HRPF was assessed through: body mass index (BMI), incremental shuttle walk test (ISWT), hand-‐held dynamometry (HHD), modified sit-‐and-‐reach test (MSRT) and timed up and go (TUG). Results: One hundred and forty one adolescents participated (71 males). The mean and its 95% confidence intervals obtained for each test were: BMI 58.95 [54.12 – 63.77] percentile; ISWT 1251.19 [1199.25 – 1303.13] meters; HHD 21.04 [19.67 – 22.41] Kilograms; MSRT 38.09 [34.58 – 41.60] centimeters; TUG 4.31 [4.05 – 4.58] seconds. Male adolescents presented better performance in HRPF tests than females, except for BMI. Adolescents had moderate PA levels and, the higher these levels, the better were the results in three of the HRPF tests (ISWT; MSRT; TUG). Conclusion: Findings are a contribution to the development of normative values for HRPF tests in Portuguese adolescents. Higher levels of PA were associated with better HRPF results.
Enquadramento: A fisioterapia promove, mantém ou restaura movimento e funcionalidade. Assim, um dos seus principais objetivos consiste em manter indivíduos ativos e com uma condição física adequada. Para isso são necessários valores normativos relativos às várias componentes da condição física relacionada com a saúde, para a adequada prescrição de exercício em populações saudáveis ou com patologia. Objetivo: Contribuir para o desenvolvimento de valores normativos dos testes mais utilizados na fisioterapia para avaliar a condição física em adolescentes Portugueses, analisando as diferenças entre género. Explorou-‐se também a relação entre estes valores e o nível de atividade física (AF) dos adolescentes. Métodos: Um estudo transversal foi realizado em colaboração com duas escolas da região de Aveiro. Dados sociodemográficos, antropométricos, clínicos, sinais vitais e dados de função pulmonar foram recolhidos para caracterizar a amostra. Os níveis de AF foram avaliados através do “Physical Activity Index”. A condição física relacionada com a saúde (CFRS) foi avaliada através de: índice de massa corporal (IMC), teste de marcha com carga progressiva (TMCP), dinamometria manual (DM), teste modificado de sentar e alcançar (TMSA) e teste de levantar e ir (TLI). Resultados: Cento e quarenta e um adolescentes (n=141) participaram neste estudo (71 rapazes) com uma média de idade de 14.33±1.34 anos. As médias e intervalos de confiança a 95% obtidos em cada teste foram: IMC 58.95 [54.12 – 63.77] percentil; TMCP 1251.19 [1199.25 – 1303.13] metros; FMQ 21.04 [19.67 – 22.41] quilogramas-‐força; TMSA 38.09 [34.58 – 41.60] centímetros; TLI 4.31 [4.05 – 4.58] segundos. Os adolescentes do sexo masculino obtiveram melhores resultados nos testes de CRFS que os do sexo feminino, à exceção do IMC. Os resultados do PAI mostram que os adolescentes têm uma AF moderada e que, quanto maior a sua pontuação neste questionário, melhores os resultados em três dos testes de CFRS (TMCP; TMSA; TLI). Conclusão: Os valores obtidos neste estudo são uma contribuição para o desenvolvimento de valores normativos para estes testes. Confirma-‐se que níveis mais elevados de AF estão relacionados com melhores resultados de CFRS.

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Pope, Marcia J. "General physical education teachers' perceptions of adapted physical education consultation." [Chico, Calif. : California State University, Chico], 2009. http://hdl.handle.net/10211.4/102.

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Breneman, Samuel. "Physical-virtual workspaces /." Online version of thesis, 2008. http://hdl.handle.net/1850/6187.

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Villar, Nicolas. "Flexible physical interfaces." Thesis, Lancaster University, 2007. http://eprints.lancs.ac.uk/42425/.

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Human-computer interface devices are rigid, and afford little or no opportunity for end-user adaptation. This thesis proposes that valuable new interaction possibilities can be generated through the development of user interface hardware that is increasingly flexible, and allows end-users to physically shape, construct and modify physical interfaces for interactive systems. The work is centred around the development of a novel platform for flexible user interfaces (called VoodooIO) that allows end-users to compose and adapt physical control structures in a manner that is both versatile and simple to use. VoodooIO has two main physical elements: a pliable material (called the substrate), and a set of physical user interface controls, which can be arranged on the surface of the substrate.The substrate can be shaped, applied to existing surfaces, attached to objects and placed on walls and furniture to designate interface areas on which users can spatially lay out controls. From a technical perspective, the design of VoodooIO is based on a novel architecture for user interfaces as networks of controls, where each control is implemented as a network node with physical input and output capabilities. The architecture overcomes the inflexibility that is usually imposed by hard-wired circuitry in traditional interface devices, by enabling individual control elements that can be connected and disconnected ad hoc from a shared network bus. The architecture includes support for a wide and extensible range of control types; fast control identification and presence detection, and an application-level interface that abstracts from low level implementation details and network management processes. The concrete contributions to the field of human-computer interaction include a motivation for the development of flexible physical interfaces, a fully working example of such a technology, and insights gathered from its application and study.

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Calisch, Samuel Eli. "Physical finite elements." Thesis, Massachusetts Institute of Technology, 2014. http://hdl.handle.net/1721.1/95595.

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Thesis: S.M., Massachusetts Institute of Technology, School of Architecture and Planning, Program in Media Arts and Sciences, 2014.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 62-65).
Engineering with digital materials, by discretely and reversibly assembling structure and function from a mass-produced construction kit of parts, is indeed an exciting vision. The ability to decouple conventionally linked material properties and reach new territory in parameter space has already been demonstrated [12] by the fabrication of ultralight samples with extreme specific stiffness. Further, these material properties can be spatially varied, opening new possibilities in engineering design. The discrete assembly process also frees us from constraints of monolithic manufacturing and the corresponding supply chains. Thus, this approach offers compelling promise for the design, manufacture, and deployment of large structures. In this thesis, we argue that digital materials offer a further benefit in the power and accuracy of simulation possible, as compared to modeling materials with less order. At the most general level, this comes from mirroring the discrete nature of the structure in the mathematical model, creating a hierarchical representation of the assembly and treating each level independently. The results can reduce the cost to design and validate complex structures, in both the required computational resources, as well as the time and testing cycles of human engineers. We outline several techniques for structural modeling of such digital material assemblies, focusing on workflow flexibility and engineering empowerment through custom design tools. We demonstrate two effective table-top part production techniques: one for producing many tightly-toleranced parts for validating simulations and one for producing high performance, directionally aligned composite parts in an out-of-autoclave process. We implement several structural tests in hardware and software, comparing results from modeling with empirical data. We show that at both the scale of individual parts, as well as of large assemblies, models synthesized from beam bending equations outperform more complicated and computationally intensive finite element simulations. Finally, we undertake an ambitious design study using these tools, using both simulation and physical testing to predict performance. The results suggest the feasibility of building skinned, lighter-than-air digital material structures, capable of withstanding atmospheric crush pressures and floating under the lift generated by the displaced air.
by Samuel Eli Calisch.
S.M.

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Gassend, Blaise L. P. (Blaise Laurent Patrick) 1978. "Physical random functions." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/37606.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Includes bibliographical references (p. 87-89).
In general, secure protocols assume that participants are able to maintain secret key information. In practice, this assumption is often incorrect as an increasing number of devices are vulnerable to physical attacks. Typical examples of vulnerable devices are smartcards and Automated Teller Machines. To address this issue, Physical Random Functions are introduced. These are Random Functions that are physically tied to a particular device. To show that Physical Random Functions solve the initial problem, it must be shown that they can be made, and that it is possible to use them to provide secret keys for higher level protocols. Experiments with Field Programmable Gate Arrays are used to evaluate the feasibility of Physical Random Functions in silicon.
by Blaise L.P. Gassend.
S.M.

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Bloch, Matthieu. "Physical-layer security." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2008. http://hdl.handle.net/1853/24658.

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Thesis (Ph.D.)--Electrical and Computer Engineering, Georgia Institute of Technology, 2008.
Committee Chair: McLaughlin, Steven; Committee Member: Barros, Joao; Committee Member: Bellissard, Jean; Committee Member: Fekri, Faramarz; Committee Member: Lanterman, Aaron

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Yu, Paul. "Physical layer authentication." College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8775.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2008.
Thesis research directed by: Dept. of Electrical and Computer Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Greene, Amanda E. "Youth Physical Activity." Digital Commons @ East Tennessee State University, 2012. https://dc.etsu.edu/etsu-works/4958.

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Daley, Amanda J. "The relationship between physical well-being, mood states, physical self perceptions and participation and withdrawal from physical activity." Thesis, Bangor University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.266189.

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Lakatoo, Neela M. "Older adults' satisfaction with physical therapists' communication and physical therapy treatment." unrestricted, 2006. http://etd.gsu.edu/theses/available/etd-12012006-112502/.

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Thesis (M.A.)--Georgia State University, 2006.
Title from title screen. Leslie Taylor, committee chair; Elizabeth Burgess, Frank Whittington, Jaye Atkinson, committee members. Electronic text (75 p. : ill. (some col.)) : digital, PDF file. Description based on contents viewed July 30, 2007. Includes bibliographical references (p. 62-66).

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Rydwik, Elisabeth. "Effects of physical training on physical performance in frail elderly people /." Stockholm : Karolinska institutet, 2007. http://diss.kib.ki.se/2007/978-91-7357-310-8/.

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39

Besbea, Rebecca. "Physical self-perceptions and participation in physical activities among Greek adolescents." Thesis, University of Hull, 1999. http://hydra.hull.ac.uk/resources/hull:16434.

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The study investigated the physical self concepts and the physical activity levels and patterns of a sample of Greek adolescents. It also provided information about the associations between physical self concepts and physical activity participation. The sample consisted of 405 Greek adolescents (207 boys and 198 girls) aged 14 to 15. The PSDQ instrument (Marsh et aI., 1994) was chosen to measure the physical self-concepts and the Four by One-Day Recall questionnaire (Cale, 1993) to measure the physical activity levels and patterns of the adolescents. Analyses of responses were used to explore the sample's physical self-concept and physical activity responses for gender groups separately. An examination of the relationship between physical self-concept and physical activity was conducted using correlation analyses, M-W tests between activity groups and multiple regression analysis. In order to examine the direction of the relationship an extension of the linear regression analyses and the development and test of two structural equation models was conducted. Analyses of the physical self-perceptions showed that boys had slightly higher self-concepts than girls. Zero-order and partial correlation coefficients, principal and confirmatory factor analyses provided support to the existence of a multidimensional and a hierarchical organisation of self perceptions in the physical domain. The fmdings supported the Shavelson et al., (1976) model of differentiated physical concepts and indicated that the self concept hierarchy is probably more complicated than originally anticipated. Results indicated low activity levels in the adolescents' physical activity involvement. Boys were more active than girls, and adolescents were more physically active on weekdays than at weekends. A daily average of about 2 hours of activity was revealed. Only a small percentage of the sample (23%) was engaged in Moderate and Hard activities. A stereotypical profile for the two genders over the patterns of physical activities, and a lack of variety of activities was also evident. In a second phase of the study, interviews were used to a small size sample to confirm the validity of the questionnaire findings and to explore the current activities and opportunities for adolescents physical activity involvement. Findings indicated that self-perception scores were related to amount of physical activity participation and were able to distinguish between groups of Active and Inactive individuals. The correlation analyses provided evidence that self-perceptions are significantly related to the types of chosen activities. Physically active individuals had significantly higher scores on physical self-concept scales and active males were significantly higher in perceived physical self-concepts than active females. Testing for the direction of the relationship between physical self perceptions and participation in physical activities, no causal relationship was found between the two variables.

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Guerieri, Ashley Mahar Matthew. "Physical Activity, Academic Performance, and Physical Self-Description in Adolescent Females." [Greenville, N.C.] : East Carolina University, 2009. http://hdl.handle.net/10342/2234.

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Kelly, Luke E., and Kason M. O'Neil. "Defining the Future of Physical Education/adapted Physical Education Teacher Preparation." Digital Commons @ East Tennessee State University, 2016. https://dc.etsu.edu/etsu-works/4028.

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The cost of attending residential four-year institutions continues to rise, while the availability of online distance education programs has seen an overwhelming increase. So where does this leave the future of APE and PETE programs? This session will review the current status and future economic forecasts for APE/PETE programs, as well as provide an opportunity to discuss how APE/PETE faculty can address the current and projected threats to maintaining quality APE/PE teacher preparation programs.

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Johnson, Sherèè Johnson. "Income, Education, Age, and Physical Activity Among Physically Disabled African American Women." ScholarWorks, 2017. https://scholarworks.waldenu.edu/dissertations/4298.

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This study was designed to identify possible risk factors about physical activity in middle-aged disabled African American women (AAW) aged 45 to 64 years. Disabled middle-aged AAW has a disproportionate prevalence of obesity and chronic illness than nondisabled women. Most disabled middle-aged AAW leads a sedentary lifestyle, and they do not meet the recommended physical activity (PA) guidelines. Little is known about this group, and a social ecological model was used to explain PA patterns. Data were extracted from the 2009 Behavioral Risk Factor Surveillance System (N = 1,599) for women who responded yes to indicate that they needed specialized equipment. This cross-sectional quantitative study used univariate and multivariate analysis to assess the relationship between age, education, and income among middle-aged disabled AAW. A general linear model revealed younger disabled AAW (ages 45 to 54) engaged in more physical activity time per week than did their older counterparts (estimate = 76.012, p = .001). Individuals with less education reported more minutes of physical activity than college graduates (estimate = 142.522, p = .001). Respondents with annual incomes from $35,000-$49,999 (estimate = 184.590, p = .000) were more physically active than their more affluent counterparts. Smoking, demographic variables, and emotional well-being did not affect minutes of moderate physical activity. This research may contribute to positive social change by suggesting that programs intended to increase physical activity among disabled AAW be targeted toward those who are older, are more educated, and have higher incomes.

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Bester, George Francis. "Minimum physical requirements of the physical workers of an electric supply company by way of work-specific physical assessments." Pretoria : [S.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-04262005-173630.

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Kwan, Tze-keung, and 關子強. "Potential for development of physical education in physically handicapped schools in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1992. http://hub.hku.hk/bib/B38626123.

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Piechocinska, Barbara. "Physics from Wholeness : Dynamical Totality as a Conceptual Foundation for Physical Theories." Doctoral thesis, Uppsala universitet, Fasta tillståndets fysik, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5915.

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Motivated by reductionism's current inability to encompass the quantum theory we explore an indivisible and dynamical wholeness as an underlying foundation for physics. After reviewing the role of wholeness in the quantum theory we set a philosophical background aiming at introducing an ontology, based on a dynamical wholeness. Equipped with the philosophical background we then propose a mathematical realization by representing the dynamics with a non-trivial elementary embedding from the mathematical universe to itself. By letting the embedding interact with itself through application we obtain a left-distributive universal algebra that is isomorphic to special braids. Via the connection between braids and quantum and statistical physics we show that a the mathematical structure obtained from wholeness yields known physics in a special case. In particular we point out the connections to algebras of observables, spin networks, and statistical mechanical models used in solid state physics, such as the Potts model. Furthermore we discuss the general case and there the possibility of interpreting the mathematical structure as a dynamics beyond unitary evolution, where entropy increase is involved.

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Pollock, Elizabeth Davenport. "The relationship between mental health, physical health, physical appearance and marital dissatisfaction." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3923.

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Thesis (M.S.) -- University of Maryland, College Park, 2006.
Thesis research directed by: Dept of Family Studies. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Lee, Jessica. "Physical activity and physical culture in the lives of rural young people /." [St. Lucia, Qld.], 2005. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe19404.pdf.

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Matheri, Joseph Mwangi. "Physical inactivity among adolescents with physical disabilities attending high schools in Kenya." Thesis, University of the Western Cape, 2007. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_3717_1258009225.

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Physical inactivity together with overweight and obesity has emerged as a major health risk factor for chronic disease of lifestyle as coronary heart disease, diabetes type 2, and hypertension affecting adolescents with physical disabilities in developed countries. This has contributed to the increase of social and economic costs of healthcare and social services in these countries. Review of literature has revealed that little has been documented about the status of adolescents with physical disabilities in developing countries. This study, therefore, aimed at establishing the degree of physical inactivity among high school adolescents with physical disabilities in Kenya.

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Richards, Gregory Stephen. "Expressed attitude towards physical fitness contrasted with actual participation in physical exercise." Thesis, University of Ottawa (Canada), 1985. http://hdl.handle.net/10393/4682.

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Raustorp, Anders. "Physical activity, body composition and physical self-esteem among children and adolescents /." Stockholm, 2005. http://diss.kib.ki.se/2005/91-7140-168-7/.

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Dissertations / Theses on the topic 'Physical'

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