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Bibliographies thématiques / Physical fitness – Sociological aspects / Thèses

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Thèses sur le sujet « Physical fitness – Sociological aspects »

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Publié le 10 mars 2023

Mis à jour le 31 juillet 2025

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1

Olivier, Stephen Chris. "Physiological and psychophysical factors in the rating of perceived exertion during uphill overground and treadmill running." Thesis, Rhodes University, 1989. http://hdl.handle.net/10962/d1015769.

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The purpose of this study was to examine possible differences between the field and laboratory ratings of perceived exertion (RPE) when the performance and physiological measures for the two conditions were equated. Furthermore, the interactive effects of local, central and overall RPE were examined. Finally, the question of the potential effects of attitudes on RPE was addressed. Eleven well-conditioned adult male marathon runners voluntarily participated in the study. After a period of treadmill habituation, biographical and anthropometric data were collected. This was followed by a VO₂ max

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2

Rorke, Stafford Conroy. "The contribution of psychogenic factors limiting prolonged work performed at different relative intensities." Thesis, Rhodes University, 1986. http://hdl.handle.net/10962/d1004772.

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This study investigated the physiological and psychological limitations to prolonged work performed at different relative intensities, through the use of an eclectic integrative methodology. Ten young male caucasian subjects (mean V0₂ max. 60,0 ml.kg⁻¹.min⁻¹ ± 7,9) were randomly exposed to treadmill runs at each of four relative intensities, namely 55%, 65%, 75% and 85% of V0₂ maximum, with the instruction to run to the point of subjective discomfort at which they were no longer willing to continue. Physiological measures of oxygen consumption (V0₂), heart rate (HR), respiratory exchange ratio

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3

Blackwood, Susan Kim. "Aspects of fitness and physical activity patterns in Edinburgh school children." Thesis, Open University, 1997. http://oro.open.ac.uk/57657/.

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There is growing concern that many children in Britain do not take sufficient exercise to benefit cardiovascular health. This is supported by extensive evidence advocating the importance of regular physical activity for lifelong health and well-being, and is of particular relevance in Scotland given it's notorious record of adult coronary heart disease death. This study examined aspects of fitness and physical activity in groups of Edinburgh school children, aged between 13 and 14 years. A three stage investigation was adopted: Phase One: A repeated measures, same subject design was used to ex

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4

Nustad, Jill K. "Changes in aerobic capacity following an endurance training program as a function of age." Virtual Press, 1991. http://liblink.bsu.edu/uhtbin/catkey/774742.

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The recent American college of Sports Medicine Position Stand concerning the quantity and quality of exercise for developing cardiovascular fitness (1) suggests a need for more information concerning the rate of improvement in aerobic power as a function of age. Therefore, the purpose of this retrospective study was to assess whether the change in maximal oxygen uptake (AVO2max) following endurance training varies as a function of age. Subjects were healthy men (N=277) and women (N=161), ranging in age from 20-72 years, who completed an endurance training program (= 3-5 months) between 1972 an

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5

Lombard, Tamara Neubauer. "Improving physical activity adherence : the effects of self-control strategies, telephone prompting using lifestyle physical activity /." Diss., This resource online, 1994. http://scholar.lib.vt.edu/theses/available/etd-06062008-164730/.

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6

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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<p>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 ph

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7

Maroun, Martin J. "Physical conditioning and nitric oxide production during exercise." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=35219.

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Nitric Oxide (NO) has been detected in the expiratory air of normal animals and human subjects. Recent experiments revealed that expiratory NO production rises during exercise and correlates well with O$ sb2$ consumption and heart rate. Whether or not physical conditioning influences expiratory NO output production remains unclear. In this study, NO concentration in expired gas was measured in 18 healthy male volunteers subdivided into 3 groups (sedentary, intermediate, athletes) based on their state of physical conditioning. Measurements were taken at rest and during two steady-state exercise

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8

Zhong, Tao. "The causality orientations scale for physical activity : development, validation and initial application among Chinese adults." HKBU Institutional Repository, 2018. https://repository.hkbu.edu.hk/etd_oa/597.

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Despite the compelling evidence that physical activity, especially regular physical activity plays a key role in enhancing health and well-being, many people remain physically inactive. To promote physical activity among the general adult population, identifying possible correlates is essential. In this regard, self-determination theory (SDT) with its motivational perspective may provide useful insight. This research examined the collective effect of the sub-theories of SDT (causality orientations theory, basic psychological needs theory, and organismic integration theory) on physical activity

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9

MAUK, JACQUELINE KERN. "RELIABILITY AND VALIDITY ASSESSMENT OF THE EXERCISE SUITABILITY SCALE." Diss., The University of Arizona, 1985. http://hdl.handle.net/10150/188035.

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This study examined the reliability and the validity of the Exercise Suitability Scale (ESS). The ESS was a psychometric instrument developed to measure the suitability of four different forms of exercise (aerobics, bicycling, jogging, and swimming) for different individuals. Aspects of Exercise Suitability included in the ESS were ease, satisfaction, enjoyableness, fatigue, interest, convenience, comfort, safety, affordability, and time-involvement. Background information relating to the development of the ESS as well as methods and results of testing the instrument for reliability and validi

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10

Hene, Nceba Mzimkulu. "Physical fitness of elite women's rugby union players over a competition season." Thesis, University of the Western Cape, 2011. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_6193_1305016359.

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<p>The primary aim of this study was to investigate the changes in physical fitness characteristics of elite women&rsquo<br>s rugby union players over the duration of the season. Thirty two elite female rugby players who were identified as members of the South African Rugby Union High Performance Squad were assessed on three separate occasions (pre-season, mid-season and post-season) throughout the competition season. The players were sub-divided into two positional categories consisting of 17 forwards and 15 backs. On all testing occasions, players underwent anthropometric (stature, body mass

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11

Swartz, Ann M. "A comparison of the health and fitness benefits received with varying quantities of energy expenditure." Virtual Press, 1998. http://liblink.bsu.edu/uhtbin/catkey/1115731.

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The Surgeon General's Report on Physical Activity and Health recommends expending 200 kcals "on most, if not all days of the week" (1000 to 1400 kcals/week) as a minimum quantity of exercise energy expenditure (EE) required to obtain health benefits. The ACSM recommends expending a minimum of 1000 kcals/week to receive fitness benefits. The purpose of this study was to evaluate the effect of EE above and below 1200 kcals/week on health and fitness benefits. Twenty-six previously sedentary males and females (mean age = 47 ± 2 years), with at least one risk factor for CAD completed the 22-32 wee

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12

Pochobradsky, Pavel. "Computerized system for time-motion analysis." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=26306.

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Regular participation in sports is a common practice among the general population. For cardiovascular fitness, the frequency, duration, intensity and mode of the activity must be appropriate for the individual to benefit from the activity. The benefits for cardiovascular fitness are questionable in sports involving high intensity intermittent exercise of short duration. In the past, the procedures for determination of the heart rate and the time-motion characteristics of an activity were cumbersome and time consuming, thus making application to sports an inconvenience. The purpose of this proj

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13

Artale, Lisa M. "The effects of physical activity on aging : a longitudinal analysis." Virtual Press, 1998. http://liblink.bsu.edu/uhtbin/catkey/1115727.

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The purpose of this study was to examine the participants of the Ball State University Retirees Fitness (BSURF) program in order to determine the role that habitual participation in an exercise program plays on the aging process. The participants of the BSURF program were divided into two groups: those that have been exercising for seven or more years (LT; n=14), and those that have been exercising for six years or less (ST; n=10). Subjects underwent testing on the following variables: BMI, body composition, resting heart rate and blood pressure, blood lipid profile, biceps muscular strength,

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14

Lee, Patrick Quinn. "Essays in occupational fitness and absenteeism." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25151.

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Occupational fitness programs have enjoyed enormous popularity over the course of the past decade. Their continuing penetration into all sectors of the business community coupled with the rapid growth of organizations serving professional fitness personnel, suggests that their presence may be permanent. A major reason for the popularity of occupational fitness programs, is the claim that fitness programs can reduce employee absenteeism. Two important issues at this time are: (1) the role of physical fitness in mediating sickness absence behavior, and, (2) the role of participation in occupa

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15

Hulecki, Mary Beth. "The relationship between increased physical fitness and learning disabled children's self-concept, anxiety, and academic achievement." Virtual Press, 1988. http://liblink.bsu.edu/uhtbin/catkey/558374.

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The purpose of the study was to determine the relationship between increased physical fitness and learning disabled student's self-concept, anxiety level. and academic achievement. 34 learning disabled students in seventh arr. eighth grade (X age = 14 years, 7 months) were divided equally into comparison and treatment groups. For six weeks, the comparison and treatment groups maintained similiar class schedules with the exception that the treatment group was assigned to a physical education class where the students would partake in an aerobic exercise program (i.e. running and aerobics) and th

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16

Greene, J. Curtis. "The effects of a ten-week physical fitness program on fitness profiles, self-concept, and body-esteem in children." Virtual Press, 1993. http://liblink.bsu.edu/uhtbin/catkey/897492.

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The purpose of this study was to determine the effects of a 10-week physical fitness program on the fitness profiles, levels of self-concept, and body-esteem in 3rd- and 4th-grade low-fit children. The participants were 17 children (9 boys/8 girls) who failed to meet the Physical Best fitness standards in at least 2 of 3 fitness profile components, including cardiovascular endurance (one-mile run/walk), muscular strength and endurance (situps/min), and flexibility (sit and reach). All participants were pre and posttested in each of the three fitness profile components. Self-concept and bodyest

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17

Hargens, Trent A. "Reliability of the double product break point measurement." Virtual Press, 1999. http://liblink.bsu.edu/uhtbin/catkey/1129627.

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The double product break point (DPBP) has been shown to occur in normal and cardiac subjects with values comparable to the ventilatory threshold (VT). The purpose of this study was to evaluate the intramodal and intermodal reliability of DPBP measurements during treadmill (TM) and cycle ergometry (C) exercise and to compare the DPBP to the VT. Seventeen subjects, (eight men and nine women) ages 18-60 (31.5 ± 12.4 yrs), performed four maximal exercise tests, two utilizing a standardized ramp treadmill and two utilizing an individualized ramp cycle protocol. A minimum of 48 hours separated each

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18

Wegner, Michael S. "The effects of a field learning trial and various methods of feedback in self-regulation of exercise intensity." Virtual Press, 1990. http://liblink.bsu.edu/uhtbin/catkey/722231.

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This study was designed to assess the independent effect of a field learning trial, combined with various forms of exercise intensity feedback on the self-regulation of exercise intensity. Following a treadmill test, 42 males (21.8±2.7yrs) were randomly assigned to one of 3 exercise intensity feedback groups: heart rate (HR), heart rate + rating of perceived exertion (HR+RPE) or no systematic feedback (CONT). Half of the subjects in each group, were paced (P) to target heart rate (THR) during the first 800 meter field trial on day 1. Subjects in the non-paced (NP) groups completed the first tr

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19

Figaji, Tamara Ann. "Impact of a lifestyle physical activity intervention on school going children's physical activity participation." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_6968_1297753030.

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<p>Associated with physical inactivity and obesity are numerous other health risks which have become a major health concern. A steady decrease in the levels of physical activity during childhood and adolescents have been noted in various parts of the world. The picture of low physical activity levels in developed countries is no different in developing countries. Children spend the majority of their day at school therefore a school setting is ideal to conduct physical activity intervention studies The primary aim of this study was to measure the effect of an intervention programme on the physi

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20

Pitkethly, Amanda Jane. "Examining the role of self-regulated learning in adolescent physical activity behaviour." HKBU Institutional Repository, 2015. https://repository.hkbu.edu.hk/etd_oa/222.

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Introduction Physical activity (PA) engagement is highly beneficial for adolescents and although interventions are shown to be effective, participants often return to former PA levels once the intervention is removed. Adolescents may lack explicit training in psychological and behaviour change skills required to sustain PA behaviour changes, such as self-regulation. SR is a key process in psychological functioning and its failure can result in impulse control problems, such as a tendency not to engage in behaviours that require a delay of gratification such as physical activity. Purpose Self-r

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21

Hung, Chor-nam, and 洪楚南. "The relationship between physical fitness and physical activity in Hong Kong secondary school students." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B19277106.

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22

Wong, Tung-kwong. "Aspects of habitual physical activity in Hong Kong primary school children /." Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B20263466.

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23

Hovey, Richard. "Examination of the Bosco jump test." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=55609.

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24

Leslie, Deborah R. "Comparison of training target heart rate determined by percent maximal heart rate reserve and ventilatory threshold in adults." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/935928.

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Exercising at an appropriate training intensity for individuals is important for improvement of cardiorespiratory fitness. The American College of Sports Medicine (ACSM) has recommended that healthy adults exercise at an intensity of 60-80% maximal heart rate reserve (MHRR). The ventilatory threshold (VT) has also been recommended for use to determine intensity for exercise prescription. The purpose of this study was to compare the heart rate at the VT (VTHR) and at 60-80% MHRR. A secondary purpose was to determine the relationship, if any, between age, gender, height, weight, body mass index,

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25

Wehrli, Kenneth Wayne. "Evaluation of a shallow water running test for the estimation of cardiorespiratory fitness." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/935935.

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The direct measurement of maximal oxygen consumption (V02 max) has always been the benchmark for the determination of Cardiorespiratory fitness (CRF). However, the time and expense of that type of testing does not lend itself to students in activity classes or adult fitness participants. Therefore, the purpose of this study was to evaluate the validity of a 500 yard shallow water run test in determining CRF. A commonly used field test, the 1.5 mile run, was used as a basis for comparison during the 500 yard water run. Subjects in this study included 15 men and 28 women that completed a 1.5 mil

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26

莊硯琦 and Yin-kei Doris Chong. "Anaerobic recovery and physical activity in normal and obese children." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31257173.

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Wong, Tung-kwong, and 黃東光. "Aspects of habitual physical activity in Hong Kong primary school children." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1997. http://hub.hku.hk/bib/B31220125.

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Olsen, Janette. "Religiosity and Physical Fitness: A Study of Middle-Aged Mormon Men." Diss., CLICK HERE for online access, 1999. http://patriot.lib.byu.edu/u?/MTNZ,4318.

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Hill, Christie D. "Effects of Meal Size and Type, and Level of Physical Activity on Perceived Masculinity, Femininity, Likability and Attractiveness." Thesis, University of North Texas, 1994. https://digital.library.unt.edu/ark:/67531/metadc279273/.

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Previous research indicates that women are judged on the amount of food eaten and that both men and women are judged on the type of food eaten. This study is an attempt to determine whether meal size or type predominantly accounts for these findings on the variables of masculinity, femininity, attractiveness, thinness, fitness, and likability. Physical activity was also included to determine its effect on these variable. Subjects used were 313 undergraduate students. Results indicate that meal type is more influential than meal size and that physical activity significantly influences judgement

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Chan, Kwok-cheung Anson, and 陳國璋. "How the built environment affects physical activity and health." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B44901781.

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Litke, Lonnie D. (Lonnie Dale). "Relationship Between Mood State and Cognitive Strategies on Endurance Performance." Thesis, University of North Texas, 1991. https://digital.library.unt.edu/ark:/67531/metadc500275/.

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The present investigation examined the relationship between elated and depressed moods and dissociation, association, and positive self-talk strategies on endurance performance. Results showed a significant mood main effect with elated subjects performing longer than depressed subjects. Results also revealed a significant cognitive strategy main effect with positive self-talk and dissociation groups producing longer endurance times than association and control groups. A significant interaction between mood and cognitive strategy found that subjects in the positive self-talk and dissociation gr

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Nizeyimana, Eugene. "Perceived constraints to physical activity among paramedical institution students in Uganda." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&amp.

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Research has clearly shown that all individuals will benefit from regular physical activity. Unfortunately, young adults including college and university students are not physically active on a regular basis worldwide. In the developing world particularly in Sub- Saharan Africa, physical inactivity along with tobacco use, poor diet and nutrition are increasingly parts of today&rsquo<br>s lifestyle. Physical activity declines with age and the most important decline appear to be during the transition period from high school to university and during university years. The aim of this study was to

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Lee, Heesu. "Effects of Levels of Physical Activity on Physical Self-Concept and Social Physique Anxiety Among College Students." CSUSB ScholarWorks, 2012. https://scholarworks.lib.csusb.edu/etd-project/2760.

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Physical activity plays a crucial role in contributing to psychological stability regarding physical concept. However, the evidence for showing the association between levels of physical activity and the psychological state has not been closed to focus on college students. This study was to examine the importance of physical activity by investigating the effects of different levels of physical activity on physical self-concept and social physique anxiety among college students. This study used a secondary data set approved by Institutional Review Board, and obtained a written permission and ap

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34

Isaacs, Roshan. "Comparison of physical activity practices and dietary habits of health club members and community controls in Khayelitsha, Cape Town." Thesis, University of the Western Cape, 2007. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_4386_1256889698.

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<p>Chronic diseases pose public health concerns globally with an increasing trend in developing countries. The development of interventions to minimize or prevent the burden associated with chronic diseases has therefore become a necessity. In 2002 the School of Public Health of the University of the Western Cape developed a health club intervention in Khayelitsha. This intervention focused on promoting healthy lifestyles, particularly improved diet and physical activity. The objectives of this study was to determine whether members were more physically active than non-members and to determine

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35

Lopato, Marisza. "The effect of body mass and body composition on mean power output in the 30 second Wingate test at five resistance settings /." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59408.

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The purpose was to examine the effect of body mass and body composition on the mean power output in the 30 second Wingate cycling test at five resistance settings. Forty females (X = 22 years), were divided into four groups based on body mass and the sum of five skinfolds. The Wingate test was performed at the resistance settings of 0.075, 0.080, 0.085, 0.090, and 0.095 kp/kg body weight. A 3-way ANOVA (mass, skinfolds, resistance settings) indicated that: (1) mean power (W/kg) was similar for low and high mass groups; (2) the low sum of skinfolds group had a significantly higher (p $<$ 0.02)

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Lu, Shin-Shan. "The effects of active and passive recovery on blood lactate concentration and exercise performance in cycling tests /." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60011.

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The purpose of this study was to examine the effects of recovery modes and exercise durations on blood lactate concentrations and subsequent performance in cycling tests. Fourteen male subjects completed six randomly assigned experimental protocols with a combination of three durations and two modes of recovery (passive and active cycling at 45% VO$ sb{ rm 2 max}$). Each protocol consisted of eight bouts of cycling at 120% of VO$ sb{ rm 2 max}$ interspersed with five minute recovery periods. Each protocol terminated with a maximal performance task consisting of a 45s all-out cycling test. Resu

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Mancini, Wendy F. "Power output and lactate concentration following repeated 10 s intervals using varying recovery patterns." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61140.

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Blood lactate concentration and mean power output were examined over a series of maximal intermittent exercise bouts with varying recovery patterns. Thirteen elite male cyclists completed four randomly assigned experimental conditions. Each exercise/recovery condition consisted of twelve 10 s maximal exercise bouts on a Monark cycle ergometer. Four different recovery patterns (30, 60, 90 and 120 s) followed the repeated 10 s all-out efforts. Results revealed that the mean power output averaged over the 12 trials was 12.7, 13.0, 13.2 and 13.4 W/kg, for the 30, 60, 90 and 120 s conditions, respe

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Koziris, L. Perry (Lymperis Perry). "Blood lactates following intermittent and continuous cycling tests of anaerobic capacity." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60051.

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The purpose of this study was to compare the concentration of and the time to peak blood lactate following three 90-s cycle ergometer tests--intermittent all-out (Int-A), continuous all-out (Cont-A), and continuous constant (Cont-C), and to compare group peak lactate to blood lactate at individual peak time. Eight fingertip blood samples were drawn between 1 and 12min post-exercise. Subjects were university hockey players (n = 19) and physical education students (n = 19). The two all-out tests had a higher peak concentration than the Cont-C test (P $<$ 0.05). The Int-A test had an earlier peak

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Ladouceur, Ginette. "A comparison of peak VO2, EPOC and lactate concentration on three tests of anaerobic endurance /." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=64026.

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40

Kaleth, Anthony Scott. "Effects of volume of resistance training on muscular strength and endurance." Virtual Press, 1998. http://liblink.bsu.edu/uhtbin/catkey/1074543.

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The American College of Sports Medicine recommends a resistance exercise routine that consists of a minimum of 1 set of 8-12 repetitions on 8-10 exercises, 2 times per week. These guidelines are less than traditional programs and are based on the premises that longer programs are associated with lower adherence and that additional sets and repetitions produce little, if any, additional increases in strength. Therefore, the purpose of this study was to determine if greater gains in strength and endurance could be attained by doubling the recommended dose. Sixteen subjects were randomly assigned

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41

Jones, Marc Rhys. "Investigating factors which may influence recovery and preparation in professional rugby union." Thesis, Swansea University, 2014. https://cronfa.swan.ac.uk/Record/cronfa42486.

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To enhance understanding of recovery and preparation in rugby union, the aim of this thesis was to examine the impact of competition on key parameters and investigate factors which may influence the recovery process from competition and training. The findings of study one demonstrate that movement patterns and thus the physiological demands of match-play vary considerably between different positional groups. Additionally, study two demonstrates that the movement characteristics which determine the extent of muscle damage post-match are position specific, and that movement characteristics may b

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42

Petaishiski, Jayme Nichole. "The buffering effects of perceived fitness on stress reactivity." CSUSB ScholarWorks, 2002. https://scholarworks.lib.csusb.edu/etd-project/2212.

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This study addresses the effects of the changing workforce and the physiological and psychological benefits of fitness. The purpose of this experiment is to test the relationship between situational stressors, perceived fitness, exercise locus of control, self-control, and perceived stress.

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43

Gluck, Beth. "The Effects of Physical Activity on Bone Density in Adolescent Females." Fogler Library, University of Maine, 2004. http://www.library.umaine.edu/theses/pdf/GluckB2004.pdf.

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44

Burton, Catherine J. "The heart rates of elementary children during physical education classes." Virtual Press, 1996. http://liblink.bsu.edu/uhtbin/catkey/1020151.

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The purpose of this paper was to monitor the heart rates of-first, third, and fifth grade students during physical education classes to determine if the classes contribute to improvement in cardiovascular fitness levels. The study determined the average heart rate of students in physical education classes and determined the percent of time the heart rate remained in, above, and below a predetermined heart rate range of 140 to 180 beats per minute.Students from seven schools were involved in this study which included: 338 first graders, 236 third graders, and 217 fifth graders. Each school was

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Sheinbein, Shelly T. "Psychosocial Mediators of the Fitness-depression Relationship Within Adolescents." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc699904/.

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Adolescence is a developmental period during which boys and girls are at high risk of developing major or minor depression. Increases in fitness have been associated with lower levels of depressive symptomatology and improvements in psychological well-being, yet the mechanisms that underlie this relationship have not been thoroughly examined. Three such psychosocial variables (i.e. body satisfaction, social physique anxiety, and physical activity self-efficacy) have been identified as possible mechanisms and although they have theoretical support, additional research is needed to demonstrate e

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Wiley, Ruth Anne. "Motivational factors enhancing student involvement in physical education." CSUSB ScholarWorks, 2008. https://scholarworks.lib.csusb.edu/etd-project/2970.

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The purpose of this study was to examine motivational factors that would increase middle and high school students participation in physical education. This study is intended to better understand what factors students lack in order for participation in physical education activities and to stress the importance of physical education acitivity for a healthy lifestyle.

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Andresen, Jean M. "Aortic Baroreceptor Reflex Control of Blood Pressure: Effect of Fitness." Thesis, University of North Texas, 1992. https://digital.library.unt.edu/ark:/67531/metadc500922/.

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Aortic baroreflex (ABR) control of blood pressure was examined in 7 untrained (UT) and 8 endurance exercise trained (EET) young men. ABR control of blood pressure was determined during a steady state phenylephrine infusion to increase mean arterial pressure 10-15 mmHg, combined with positive neck pressure to counteract the increased carotid sinus transmural pressure, and low levels of lower body negative pressure to counteract the increased central venous pressure. Functioning alone, the ABR was functionally adequate to control blood pressure. However, ABR control of HR was significantly dimin

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Wildschutt, Phillip Jacobus. "The effect of accumulative physical activity on the fitness and health status of rural school children." Thesis, University of the Western Cape, 2005. http://etd.uwc.ac.za/index.php?module=etd&amp.

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Numerous studies focusing on cardiovascular disease risk factors such as obesity, hypertension, smoking, diabetes mellitus, elevated serum lipids, inactivity and lack of physical fitness prevalent in children highlight the importance of the early diagnosis and prevention of conditions that are associated in adulthood with cardiovascular disease. The purpose of this study was to assess the impact of accumulative physical activity on the fitness profile, blood pressure and body composition in 14-16 year old school children in the Western Cape of South Africa.

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Chu, Yuet-wah, and 朱月華. "The pattern of physical activity in children." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2007. http://hub.hku.hk/bib/B38572813.

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De, Pao Andrew T. (Andrew Thadeu). "Factors influencing short duration, high-intensity endurance cycling." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52267.

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Thesis (MSc)--University of Stellenbosch, 2001.<br>ENGLISH ABSTRACT: A 5 km cycling time trial (TT) demands high, sustained muscle power output and substantial oxidative and glycolytic energy delivery. The aims of this study were to firstly use the novel approach of using Peak Sustained Power Output (PSPO) as a predictor of cycling performance for variable fixed-workload testing and 5 km time trialing and whether oral creatine supplementation would affect 5 km time trial performance and metabolism. The effect of oral creatine supplementation with 20 g/day for 7 days on 5 km time trial p

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