Статті в журналах: "Movement regulation"

1

VACEK, Marek, Jaroslava ŽILKOVÁ, and Marek PÁSTOR. "REGULATION OF DYNAMIXEL ACTUATORS IN ROBOT MANIPULATOR MOVEMENT." Acta Electrotechnica et Informatica 14, no. 3 (September 1, 2014): 32–35. http://dx.doi.org/10.15546/aeei-2014-0026.

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2

Shimazaki, Ken-ichiro, Michio Doi, Sarah M. Assmann, and Toshinori Kinoshita. "Light Regulation of Stomatal Movement." Annual Review of Plant Biology 58, no. 1 (June 2007): 219–47. http://dx.doi.org/10.1146/annurev.arplant.57.032905.105434.

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3

Wolniak, Stephen M. "The regulation of mitotic spindle function." Biochemistry and Cell Biology 66, no. 6 (June 1, 1988): 490–514. http://dx.doi.org/10.1139/o88-061.

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The process of mitosis includes a series of morphological changes in the cell in which the directional movements of chromosomes are the most prominent. The presence of a microtubular array, known as the spindle or mitotic apparatus, provides at least a scaffold upon which these movements take place. The precise mechanism for chromosome movement remains obscure, but new findings suggest that the kinetochore may play a key role in chromosome movement toward the spindle pole, and that sliding interactions between or among adjacent microtubules may provide the mechanochemical basis for spindle elongation. The physiological regulation of the anaphase motors and of spindle operation either before or after anaphase remains equally elusive. Elicitors that may serve as controlling elements in spindle function include shifts in cytosolic calcium activity and perhaps the activation or inactivation of protein kinases, which in turn produce changes in the state of phosphorylation of specific spindle components.

4

Chiarello, Elizabeth. "Challenging Professional Self-Regulation." Work and Occupations 38, no. 3 (May 10, 2011): 303–39. http://dx.doi.org/10.1177/0730888411400700.

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This study examines how professionals contend with threats to self-regulation from social movements outside the profession by providing an analysis of rule development by the Washington State Board of Pharmacy. A case study method using interviews, observations, and content analysis examines how pharmacists and pro-choice groups affected a “pharmacists’ responsibility” rule dictating whether pharmacists can refuse to dispense medications they morally oppose. Findings suggest that movements can influence rulemaking by framing professional responsibilities and enlisting allies, thereby turning a relatively closed process of self-regulation into a contentious one, resulting in a settlement that favors the movement over the profession.

5

Ma, Chao, and Wei Wu. "Asynchronous Intermittent Regulation of Human Arm Movement with Markovian Jumping Parameters." Computational Intelligence and Neuroscience 2022 (November 15, 2022): 1–10. http://dx.doi.org/10.1155/2022/7848001.

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In this paper, the regulation stability problem of the human arm continuous movement is investigated based on Markovian jumping parameters. In particular, the intermittent control mechanism is adopted in the arm movement regulation procedure to model the human intermittent motor control strategy. Furthermore, by taking into account the Markovian jumping parameters with different modes, the asynchronous regulation issue is proposed to model mode mismatch between the motor control and arm movement. On the basis of model transformation, sufficient stability conditions are established during the arm movements, and the desired regulation gain can be obtained by the convex optimization method. In the end, an illustrative example is presented to show the applicability and effectiveness of our developed model and optimized regulation approach.

6

Jiang, Mengqi, Vijayakumar Nanjappan, Martijn ten Bhömer, and Hai-Ning Liang. "On the Use of Movement-Based Interaction with Smart Textiles for Emotion Regulation." Sensors 21, no. 3 (February 2, 2021): 990. http://dx.doi.org/10.3390/s21030990.

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Research from psychology has suggested that body movement may directly activate emotional experiences. Movement-based emotion regulation is the most readily available but often underutilized strategy for emotion regulation. This research aims to investigate the emotional effects of movement-based interaction and its sensory feedback mechanisms. To this end, we developed a smart clothing prototype, E-motionWear, which reacts to four movements (elbow flexion/extension, shoulder flexion/extension, open and closed arms, neck flexion/extension), fabric-based detection sensors, and three-movement feedback mechanisms (audio, visual and vibrotactile). An experiment was conducted using a combined qualitative and quantitative approach to collect participants’ objective and subjective emotional feelings. Results indicate that there was no interaction effect between movement and feedback mechanism on the final emotional results. Participants preferred vibrotactile and audio feedback rather than visual feedback when performing these four kinds of upper body movements. Shoulder flexion/extension and open-closed arm movements were more effective for improving positive emotion than elbow flexion/extension movements. Participants thought that the E-motionWear prototype were comfortable to wear and brought them new emotional experiences. From these results, a set of guidelines were derived that can help frame the design and use of smart clothing to support users’ emotional regulation.

7

Wortmann, M., and W. Zarnack. "WING MOVEMENTS AND LIFT REGULATION IN THE FLIGHT OF DESERT LOCUSTS." Journal of Experimental Biology 182, no. 1 (September 1, 1993): 57–69. http://dx.doi.org/10.1242/jeb.182.1.57.

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1. We simultaneously recorded lift/body weight, flight speed, body angle and 12 variables of wing movement for locusts performing tethered long-term flight with low movement scatter. The movements of the forewings and hindwings were recorded in three dimensions by means of miniature induction coils. 2. By adjusting the body angle, we could reproducibly manipulate lift generation as a consequence of induced changes in the wings' movement patterns. We were therefore able to analyse various relationships between the movement patterns and lift. 3. The most prominent variations of kinematic variables were observed for the forewing movements. The relative lift and the steady angle of pitch were positively correlated but there was a negative correlation between relative lift and pitching amplitude. We found no correlation between relative lift and flapping amplitude. Our results seem to correspond to a new theory about unsteady aerodynamics of oscillating aerofoils. 4. We sometimes observed variations in lagging. 5. The forewing downstroke was delayed by 0–8 ms following the hindwing downstroke. Relative lift was positively correlated to this delay.

8

Marzilli, Thomas S., and John B. Shea. "Effects of Smoking Abstinence on Movement Regulation." Perceptual and Motor Skills 90, no. 2 (April 2000): 624–30. http://dx.doi.org/10.2466/pms.2000.90.2.624.

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The effect of smoking abstinence on performance of a reciprocal tapping task was investigated. 6 habitual smokers performed a single-plate and two versions of a two-plate tapping task. Fitts' Law was used to compute an index of difficulty (ID) in bits for the tasks which was 0 bits for the single-plate and 3.32 and 4.17 bits for the two-plate versions of the task. While smoking abstinence had no effect on performance of the single-plate tapping task, it increased movement time on performance of both two-plate task versions. These findings may provide a coherent explanation for the prior findings of nicotine deprivation on psychomotor performance in the literature. This explanation suggests that the effects of nicotine deprivation as incurred through smoking abstinence may be on the central mechanisms regulating information-processing rate for successful movement regulation. Thus nicotine deprivation may not affect performance of simple psychomotor tasks which require minimal information processing but will affect the performance of more complex tasks requiring significantly more information processing for successful movement regulation.

9

Heinen, Thomas, Pia M. Vinken, Damian Jeraj, and Konstantinos Velentzas. "Movement Regulation of Handsprings on Vault." Research Quarterly for Exercise and Sport 84, no. 1 (March 2013): 68–78. http://dx.doi.org/10.1080/02701367.2013.762300.

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10

Neumann, Christof, and Klaus Zuberbühler. "Vocal correlates of individual sooty mangabey travel speed and direction." PeerJ 4 (July 28, 2016): e2298. http://dx.doi.org/10.7717/peerj.2298.

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Many group-living animals coordinate movements with acoustic signals, but so far most studies have focused on how group movements are initiated. In this study, we investigated movement patterns of wild sooty mangabeys (Cercocebus atys), a mostly terrestrial, forest-dwelling primate. We provide quantitative results showing that vocalization rates of mangabey subgroups, but not of focal individuals, correlated with focal individuals’ current movement patterns. More interestingly, vocal behaviour predicted whether individuals changed future speed, and possibly future travel direction. The role of vocalizations as a potential mechanism for the regulation of group movement was further highlighted by interaction effects that include subgroup size and the quality of poly-specific associations. Collectively, our results suggest that primate vocal behaviour can function beyond travel initiation in coordination and regulation of group movements.

11

Chabrillat, Marion L., Claire Wilhelm, Christina Wasmeier, Elena V. Sviderskaya, Daniel Louvard, and Evelyne Coudrier. "Rab8 Regulates the Actin-based Movement of Melanosomes." Molecular Biology of the Cell 16, no. 4 (April 2005): 1640–50. http://dx.doi.org/10.1091/mbc.e04-09-0770.

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Rab GTPases have been implicated in the regulation of specific microtubule- and actin-based motor proteins. We devised an in vitro motility assay reconstituting the movement of melanosomes on actin bundles in the presence of ATP to investigate the role of Rab proteins in the actin-dependent movement of melanosomes. Using this assay, we confirmed that Rab27 is required for the actin-dependent movement of melanosomes, and we showed that a second Rab protein, Rab8, also regulates this movement. Rab8 was partially associated with mature melanosomes. Expression of Rab8Q67L perturbed the cellular distribution and increased the frequency of microtubule-independent movement of melanosomes in vivo. Furthermore, anti-Rab8 antibodies decreased the number of melanosomes moving in vitro on actin bundles, whereas melanosomes isolated from cells expressing Rab8Q67L exhibited 70% more movements than wild-type melanosomes. Together, our observations suggest that Rab8 is involved in regulating the actin-dependent movement of melanosomes.

12

Chrones, Deanna, Gina C. Martin, and Eric Beeson. "The Eyes and Emotion Regulation: Helpful Tips for Counselors." Journal of Mental Health Counseling 45, no. 1 (January 1, 2023): 53–73. http://dx.doi.org/10.17744/mehc.45.1.04.

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Emotion suppression is considered a maladaptive form of emotion regulation and is transdiagnostic of numerous mental disorders, including depressive, anxious, and trauma disorders. Existing eye-movement-based interventions, such as eye movement desensitization and reprocessing, use eye movements to access subconscious content and reduce the intensity of associated affect. This article presents information on the neuroanatomy of the eyes, including that the retinas are entirely made of brain tissue. The article then examines the literature on the eyes and their relationship to the nervous system, emotion regulation, emotion suppression, psychopathology, assessment, diagnosis, and treatment planning, and it explores interventions that use eye movements and contraindications of their use. It also provides resulting helpful tips about all these subjects for counselors to incorporate into their daily practice, and it indicates where further research is needed.

13

Myronenko, I. V. "Legal Regulation Of Private Law Aspects Of Water Use By Owners And Users Of Neighboring Land." Actual problems of improving of current legislation of Ukraine, no. 50 (June 11, 2019): 132–44. http://dx.doi.org/10.15330/apiclu.50.132-144.

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The article is devoted to some questions of the legal legal regulation of neighborhood relations related to the use of water to meet the needs of owners and users of neighboring land. The regulation of this relationship has historically been an inseparable part of neighbour law. Regulations of this kind were contained in many historically significant Ukrainian legal documents (in particular, various editions of the Lithuanian Statutes, the Rights of the Little Russian People (1743), and others). Currently, the regulation of the use of water resources mainly comes under the sphere of public law. Consequently, the current Land Code of Ukraine does not contain regulations of this kind. Nevertheless, a study of international legislation and regulation policies on neighbourly relations emphasizes the necessity to legislate on the private aspects of neighbourly water use. In particular, such provisions include the laws of the Republic of Moldova, Georgia, Republic of Azerbaijan and some other post-soviet states. The findings of the study has made it possible to formulate the proposals aimed at improving the current legislation on this issue. They are based on a general rule forbidding to alter the natural movement (flow) of water, if it violates the rights and legitimate interests of owners or land users of neighboring land. The artificial movement (flow) of water, caused by the activity of land owners or land users, is proposed to regulate by contract by establishing land easements (discharge of water to a neighboring land plot, their redistribution between neighbors, etc.). Regulating water-related relationships to meet the needs of owners or land users of neighboring land has historically been an integral part of «neighborhood law». Nowadays, the legal regulation of the relationship regarding the use of water resources has shifted to the sphere of public legal regulation. Nevertheless, the study of the laws of foreign countries and the practice of regulating good neighborly relations indicate the need for legal regulation of private aspects of neighborhood water use. They are mainly related to the prohibition of altering the natural movement of water if it violates the rights and legitimate interests of owners and owners of neighboring properties.

14

Lametti, Daniel R., Guillaume Houle, and David J. Ostry. "Control of Movement Variability and the Regulation of Limb Impedance." Journal of Neurophysiology 98, no. 6 (December 2007): 3516–24. http://dx.doi.org/10.1152/jn.00970.2007.

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Humans routinely make movements to targets that have different accuracy requirements in different directions. Examples extend from everyday occurrences such as grasping the handle of a coffee cup to the more refined instance of a surgeon positioning a scalpel. The attainment of accuracy in situations such as these might be related to the nervous system's capacity to regulate the limb's resistance to displacement, or impedance. To test this idea, subjects made movements from random starting locations to targets that had shape-dependent accuracy requirements. We used a robotic device to assess both limb impedance and patterns of movement variability just as the subject reached the target. We show that impedance increases in directions where required accuracy is high. Independent of target shape, patterns of limb stiffness are seen to predict spatial patterns of movement variability. The nervous system is thus seen to modulate limb impedance in entirely predictable environments to aid in the attainment of reaching accuracy.

15

Eider, Jerzy, Natalia Mazurok, Stanislav Prysyazhnyuk, and Aleksandr Priymakov. "Functional reserves of voluntary movement control system during strenuous muscular." Scientific bulletin of South Ukrainian National Pedagogical University named after K. D. Ushynsky 2020, no. 3 (132) (September 24, 2020): 31–40. http://dx.doi.org/10.24195/2617-6688-2020-3-4.

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Objective: determination of criteria for assessing functional reserves and reliability of voluntary movement control system under various conditions of muscular activities. Material: Students aged 17-19 and athletes aged18-27 and specialised in various sports events participated in different studies. At Physical Education classes, female students were engaged in a programme aimed at improving the reliability and reserving the control system of local and regional movements of different coordination complexity. Athletes – cyclists, wrestlers, weightlifters, shooters performed specialised movements of different coordination complexity in the process of adaptation to specific physical loads in each sports event. The quality of motor regulation demonstrated by cyclists, weightlifters and wrestlers was analysed according to muscular activities, intermuscular relationships during muscular performance manifestation in the process of cyclic and acyclic loads, whereas shooters performed it according to the result of shooting at a target. Results: It has been revealed that in the process of a long-term adaptation to various types of muscular activities, the reserves of the movement control system representing different coordination structure are characterized by: an increase in the power of compensatory rearrangements to maintain the motor function reliability in complicated conditions of motor regulation and, in particular, during functional deprivation of the key sensory systems, maximum activation of physiological systems in the process of muscular activity and compensated phase of developed fatigue. The most prominent changes occur in movements, in the control of which the highest levels of regulation are involved. In movements regulated at lower motor levels, the shifts are less significant. Such movements are more stable, programmatic and harder subjected to change by means of physical exercises. Conclusions: The key criteria for the reserve capacities of the movement control system are as follows: power, efficiency and interchangeability of compensatory responses and mechanisms ensuring the reliability of movement control under the influence of distorting factors and fatigue; speed of transition to programme mechanism of motor regulation in the process of improvement under stable functioning conditions; manifestation of the "afferentation narrowing" principle in the sensory control of movements under stable functioning conditions.

16

Hapsari, Dwi Retno, Rilus A. Kinseng, Sarwititi Sarwoprasodjo, Asnika Putri Simanjuntak, Khairil Anam, Andri Sarifuddin, and Iin Sulistiyowati. "Fishermen Social Movements in West Sumatra: Issues, Actors, and Tactics of the Movement." Sodality: Jurnal Sosiologi Pedesaan 8, no. 1 (March 30, 2020): 14–29. http://dx.doi.org/10.22500/8202028692.

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The objectives of this study are to examine the main issue that provoke social movement of fishermen in West Sumatra, to identify the related actors, and to analyze the advocacy strategy carried out by fishermen. This research was conducted in July 2019 and took place in two locations, namely the City of Padang and West Pasaman Regency. The study used qualitative approach. From this study, it is revealed that the main issue that provoke social movements in West Sumatra was the issue of Regulation No. 71 of 2016 by the Minister of Maritime Affairs and Fisheries related to the prohibition of certain fishing gear. This regulation prohibits the use of 4 mm mesh size of the net and the use of lamps in operating the liftnet which reaches up to 25-30 thousand watts of power. This regulation has created a huge burden to fisherman’s work. The Other issue that is also triggering the movement was the arrestment of 6 fishing boats on June 11, 2016. Meanwhile, the main actors who are directly related to this movement are fishermen who are using liftnet (bagan). These actors can be divided into two main categories, namely movers and "participants". The main tactic used in social movements was demonstration.

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YOSHIDA, Masayuki. "Mouth muscular movement regulation mechanism in Achatina." Hikaku seiri seikagaku(Comparative Physiology and Biochemistry) 11, no. 3 (1994): 161–69. http://dx.doi.org/10.3330/hikakuseiriseika.11.161.

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18

Moon, Ju-Yeon, Jin-Hee Jung, Yeong-Gil Rim, Raju Datla, Alain Joliot, David Jackson, and Jae-Yean Kim. "Regulation of Intercellular Protein and RNA Movement." Journal of Plant Biotechnology 34, no. 2 (June 30, 2007): 129–37. http://dx.doi.org/10.5010/jpb.2007.34.2.129.

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19

Hyman, A. A., and T. J. Mitchison. "Regulation of the Direction of Chromosome Movement." Cold Spring Harbor Symposia on Quantitative Biology 56 (January 1, 1991): 745–50. http://dx.doi.org/10.1101/sqb.1991.056.01.083.

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20

Andersson, Tony P. M., Samuel P. S. Svensson, and Annika M. Karlsson. "Regulation of Melanosome Movement by MAP Kinase." Pigment Cell Research 16, no. 3 (June 2003): 215–21. http://dx.doi.org/10.1034/j.1600-0749.2003.00048.x.

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21

Stoker, Michael, and Ermanno Gherardi. "Regulation of cell movement: the motogenic cytokines." Biochimica et Biophysica Acta (BBA) - Reviews on Cancer 1072, no. 1 (April 1991): 81–102. http://dx.doi.org/10.1016/0304-419x(91)90008-9.

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22

Reilein, Amy R., Anna S. Serpinskaya, Ryan L. Karcher, Denis L. Dujardin, Richard B. Vallee, and Vladimir I. Gelfand. "Differential regulation of dynein-driven melanosome movement." Biochemical and Biophysical Research Communications 309, no. 3 (September 2003): 652–58. http://dx.doi.org/10.1016/j.bbrc.2003.08.047.

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23

Goble, Jacob A., Yanxin Zhang, Yury Shimansky, Siddharth Sharma, and Natalia V. Dounskaia. "Directional Biases Reveal Utilization of Arm's Biomechanical Properties for Optimization of Motor Behavior." Journal of Neurophysiology 98, no. 3 (September 2007): 1240–52. http://dx.doi.org/10.1152/jn.00582.2007.

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Strategies used by the CNS to optimize arm movements in terms of speed, accuracy, and resistance to fatigue remain largely unknown. A hypothesis is studied that the CNS exploits biomechanical properties of multijoint limbs to increase efficiency of movement control. To test this notion, a novel free-stroke drawing task was used that instructs subjects to make straight strokes in as many different directions as possible in the horizontal plane through rotations of the elbow and shoulder joints. Despite explicit instructions to distribute strokes uniformly, subjects showed biases to move in specific directions. These biases were associated with a tendency to perform movements that included active motion at one joint and largely passive motion at the other joint, revealing a tendency to minimize intervention of muscle torque for regulation of the effect of interaction torque. Other biomechanical factors, such as inertial resistance and kinematic manipulability, were unable to adequately account for these significant biases. Also, minimizations of jerk, muscle torque change, and sum of squared muscle torque were analyzed; however, these cost functions failed to explain the observed directional biases. Collectively, these results suggest that knowledge of biomechanical cost functions regarding interaction torque (IT) regulation is available to the control system. This knowledge may be used to evaluate potential movements and to select movement of “low cost.” The preference to reduce active regulation of interaction torque suggests that, in addition to muscle energy, the criterion for movement cost may include neural activity required for movement control.

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Iwatsuki, Takehiro, Judy L. Van Raalte, Britton W. Brewer, Albert Petitpas, and Masanori Takahashi. "Relations Among Reinvestment, Self-Regulation, and Perception of Choking Under Pressure." Journal of Human Kinetics 65, no. 1 (December 31, 2018): 281–90. http://dx.doi.org/10.2478/hukin-2018-0042.

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Abstract The purpose of this study was to examine relations among reinvestment, self-regulation, and perception of choking under pressure in skilled tennis players. Participants were 160 collegiate players from the NCAA Division I in the U.S. and the 1st League in Japan. Participants completed questionnaires assessing reinvestment (conscious motor processing and movement self-consciousness), self-regulation, and perception of choking under pressure. Results of correlation analysis indicated self-regulatory factors were positively related to reinvestment conscious motor processing, but not with reinvestment movement self-consciousness. Self-efficacy and movement self-consciousness of reinvestment were found to predict one’s perception of choking under pressure. Results of simultaneous entry multiple regression revealed that tennis players who had low self-efficacy and were concerned about making a good impression with their movements were more likely to perceive that they choked during tennis matches. Additionally, Japanese players reported less self-regulation skills and a higher perception of choking under pressure than American players, suggesting the need for additional research on cross-cultural differences. Overall, these results suggest that self-efficacy may protect athletes from choking, but movement self-consciousness may lead athletes to choke during tennis games.

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Karimova, Lola Muzaffarovna. "REGULATION OF MECHANISMS OF SOCIAL MOBILITY." Journal of Social Sciences and Humanities Research Fundamentals 3, no. 12 (December 1, 2023): 54–57. http://dx.doi.org/10.55640/jsshrf-03-12-13.

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This article provides information about the sources of social mobility, the motivation to achieve, the law of increasing needs, and the hierarchical system of distribution of social results. The presence of channels of social mobility in society, includingvarious social institutions -the military, religion, education, political organizations, trade unions, family, marriage, art, sports, inheritance, elections, mass media, social networks, social networks of individuals and their groups. creates conditionsfor movement.

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Tam, Enoch Yee-Lok. "Hong Kong independent political documentary under the regulating dispositif: Inside the Red Brick Wall and beyond." Asian Cinema 33, no. 2 (October 1, 2022): 177–89. http://dx.doi.org/10.1386/ac_00054_1.

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Building upon the momentum of protests, Hong Kong independent documentarians have made efforts to record the past decade’s social movements. From the 2014 Umbrella Movement to the 2019–20 Anti-Extradition Law Amendment Bill Movement, more than a dozen feature-length and short documentaries of different social movements were produced. As political pressure has grown increasingly intense in recent years, the media landscape has been changing rapidly. This article applies the Foucauldian concept of dispositif to analyse these changes. If dispositif can be understood as pertaining to the regulation of power relations, then the dispositif of recent Hong Kong independent political documentaries can illuminate a crucial aspect of the changes: Mainland China and Hong Kong’s closer relationship as a regulating dispositif. Through the case of Inside the Red Brick Wall () and the implementation of the Hong Kong version of the National Security Law, the article shows how this regulating dispositif has recently pushed the deterritorialization of Hong Kong independent political documentary.

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Laboissière, Rafael, Daniel R. Lametti, and David J. Ostry. "Impedance Control and Its Relation to Precision in Orofacial Movement." Journal of Neurophysiology 102, no. 1 (July 2009): 523–31. http://dx.doi.org/10.1152/jn.90948.2008.

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Speech production involves some of the most precise and finely timed patterns of human movement. Here, in the context of jaw movement in speech, we show that spatial precision in speech production is systematically associated with the regulation of impedance and in particular, with jaw stiffness—a measure of resistance to displacement. We estimated stiffness and also variability during movement using a robotic device to apply brief force pulses to the jaw. Estimates of stiffness were obtained using the perturbed position and force trajectory and an estimate of what the trajectory would be in the absence of load. We estimated this “reference trajectory” using a new technique based on Fourier analysis. A moving-average (MA) procedure was used to estimate stiffness by modeling restoring force as the moving average of previous jaw displacements. The stiffness matrix was obtained from the steady state of the MA model. We applied this technique to data from 31 subjects whose jaw movements were perturbed during speech utterances and kinematically matched nonspeech movements. We observed systematic differences in stiffness over the course of jaw-lowering and jaw-raising movements that were correlated with measures of kinematic variability. Jaw stiffness was high and variability was low early and late in the movement when the jaw was elevated. Stiffness was low and variability was high in the middle of movement when the jaw was lowered. Similar patterns were observed for speech and nonspeech conditions. The systematic relationship between stiffness and variability points to the idea that stiffness regulation is integral to the control of orofacial movement variability.

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Shapiro, Mark B., Gerald L. Gottlieb, Charity G. Moore, and Daniel M. Corcos. "Electromyographic Responses to an Unexpected Load in Fast Voluntary Movements: Descending Regulation of Segmental Reflexes." Journal of Neurophysiology 88, no. 2 (August 1, 2002): 1059–63. http://dx.doi.org/10.1152/jn.2002.88.2.1059.

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This study examined the effects of unexpected loading on muscle activation during fast goal-oriented movements. We tested the hypothesis that the electromyographic (EMG) response to an unexpected load occurs at a short latency after the difference between the expected and the unexpected movement velocity exceeds a fixed threshold. Subjects performed two movement tasks as follows: 1) 30° fast elbow flexion movement with an inertial load added by a torque motor; and 2) 50° fast elbow flexion movement with no added load. These movement tasks were chosen to have similar timing parameters, such as movement time, time-to-peak velocity, and duration of the first agonist burst, while the magnitudes of the angular displacement, velocity, and acceleration were different. In task 1, in random trials a viscous load was substituted for the inertial load at movement onset. In task 2, the same viscous load was added in random trials. The earliest consistent response to the unexpected load was detected in the agonist (biceps) EMG at the same time, about 200 ms from the EMG onset, in both tasks. However, the velocity errors were different in the two tasks and no velocity error threshold dependency could be found. Therefore we reject the hypothesis that the timing of the EMG response to an unexpected load is related to a velocity error threshold. Instead, we suggest that the timing of the EMG response is primarily determined by descending regulation of segmental reflex gain.

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Demissie, Hailemichael Teshome. "Is Beneficent Regulation the New Better Regulation? Nano-Regulation in the Wake of the ‘New Better Regulation’ Movement." Law, Innovation and Technology 2, no. 1 (July 2010): 115–52. http://dx.doi.org/10.5235/175799610791935416.

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30

Korolev, Andrei Anatolyevich, and G. A. Suslova. "Neurotransmitters in the regulation of movements and in the development of spastic movement disorders." Neurology, neuropsychiatry, Psychosomatics, no. 1 (March 15, 2012): 92. http://dx.doi.org/10.14412/2074-2711-2012-369.

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31

McCormack, C. A., and M. T. McDonnell. "Circadian regulation of teleost retinal cone movements in vitro." Journal of General Physiology 103, no. 3 (March 1, 1994): 487–99. http://dx.doi.org/10.1085/jgp.103.3.487.

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In the retinas of many species of lower vertebrates, retinal photoreceptors and pigment epithelium pigment granules undergo daily movements in response to both diurnal, and in the case of teleost cone photoreceptors, endogenous circadian signals. Typically, these cone movements take place at dawn and at dusk when teleosts are maintained on a cyclic light (LD) regime, and at expected dawn and expected dusk when animals are maintained in continuous darkness (DD). Because these movements are so strictly controlled, they provide an overt indicator of the stage of the underlying clock mechanism. In this study we report that both light-induced and circadian-driven cone myoid movements in the Midas cichlid (Cichlasoma citrinellum), occur normally in vitro. Many of the features of retinomotor movements found in vivo also occur in our culture conditions, including responses to light and circadian stimuli and dopamine. Circadian induced predawn contraction and maintenance of expected day position in response to circadian modulation, are also normal. Our studies suggest that circadian regulation of cone myoid movement in vitro is mediated locally by dopamine, acting via a D2 receptor. Cone myoid contraction can be induced at midnight and expected mid-day by dark culture with dopamine or the D2 receptor agonist LY171555. Further, circadian induced predawn contraction can be increased with either dopamine or LY171555, or may be reversed with the dopamine D2 antagonist, sulpiride. Sulpiride will also induce cone myoid elongation in retinal cultures at expected mid-day, but will not induce cone myoid elongation at dusk. In contrast, circadian cone myoid movements in vitro were unaffected by the D1 receptor agonist SCH23390, or the D1 receptor antagonist SKF38393. Our short-term culture experiments indicate that circadian regulation of immediate cone myoid movement does not require humoral control but is regulated locally within the retina. The inclusion of dopamine, or dopamine receptor agonists and antagonists in our cultures, has indicated that retinal circadian regulation may be mediated by endogenously produced dopamine, which acts via a D2 mechanism.

32

Jiang, Mengqi. "Movement-Based Interactive Textiles Design for Emotion Regulation." Design Journal 24, no. 3 (March 22, 2021): 477–88. http://dx.doi.org/10.1080/14606925.2021.1903678.

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33

Krueger, James M. "Biochemical regulation of non-rapid-eye-movement sleep." Frontiers in Bioscience 8, no. 4 (2003): d520–550. http://dx.doi.org/10.2741/1033.

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34

DeMesquita, S., and G. A. Hale. "Cardiopulmonary regulation after rapid-eye-movement sleep deprivation." Journal of Applied Physiology 72, no. 3 (March 1, 1992): 970–76. http://dx.doi.org/10.1152/jappl.1992.72.3.970.

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Arterial blood pressure, chest movement, electroencephalogram, and electromyogram were monitored in six normotensive Sprague-Dawley rats for 4 h/day 3 days before and 4 days after 114 h of rapid-eye-movement (REM) sleep deprivation. During recovery sleep immediately after REM sleep deprivation (RD), there was a significant increase in the amount of time spent in REM sleep. During this rebound in REM sleep, there was a significant rise (26%) in heart rate in wakefulness, non-REM sleep, and REM sleep during the first 4 h after RD. Systolic blood pressure was also significantly elevated (14%) but only during wakefulness before recovery sleep. Rats with the greatest waking systolic blood pressure after RD had the lowest REM sleep rebound in the 4 h immediately after RD (r = -0.885, P less than 0.05). The rise in heart rate, systolic blood pressure, and REM sleep time evident on day 1 immediately after RD was absent on recovery days 2–4. The respiratory rate tended to be higher throughout the recovery period in every state of consciousness; however, these values never reached the level of significance. In the initial recovery sleep period, regulation of heart rate was more disrupted by REM sleep deprivation than either arterial blood pressure or respiratory rate.

35

Nishimura, Hiroko, and Zheng Fan. "Regulation of water movement across vertebrate renal tubules." Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 136, no. 3 (November 2003): 479–98. http://dx.doi.org/10.1016/s1095-6433(03)00162-4.

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36

Jin, J. P. "Protein structure, function, and regulation in biological movement." Archives of Biochemistry and Biophysics 456, no. 2 (December 2006): 99–101. http://dx.doi.org/10.1016/j.abb.2006.11.017.

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37

Scott, Ellen C. "Black Movement Impolitic: Soundies, Regulation, and Black Pleasure." African American Review 49, no. 3 (2016): 205–26. http://dx.doi.org/10.1353/afa.2016.0034.

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38

Chéron, G., and E. Godaux. "Long latency reflex regulation in human ballistic movement." Human Movement Science 5, no. 3 (September 1986): 217–33. http://dx.doi.org/10.1016/0167-9457(86)90028-x.

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39

Dixit, Richa, K. VijayRaghavan, and Michael Bate. "Hox genes and the regulation of movement inDrosophila." Developmental Neurobiology 68, no. 3 (February 15, 2008): 309–16. http://dx.doi.org/10.1002/dneu.20589.

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40

Sharp, Andrew A., and Sylvia Fromherz. "Optogenetic regulation of leg movement in midstage chick embryos through peripheral nerve stimulation." Journal of Neurophysiology 106, no. 5 (November 2011): 2776–82. http://dx.doi.org/10.1152/jn.00712.2011.

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Numerous disorders that affect proper development, including the structure and function of the nervous system, are associated with altered embryonic movement. Ongoing challenges are to understand in detail how embryonic movement is generated and to understand better the connection between proper movement and normal nervous system function. Controlled manipulation of embryonic limb movement and neuronal activity to assess short- and long-term outcomes can be difficult. Optogenetics is a powerful new approach to modulate neuronal activity in vivo. In this study, we have used an optogenetics approach to activate peripheral motor axons and thus alter leg motility in the embryonic chick. We used electroporation of a transposon-based expression system to produce ChIEF, a channelrhodopsin-2 variant, in the lumbosacral spinal cord of chick embryos. The transposon-based system allows for stable incorporation of transgenes into the genomic DNA of recipient cells. ChIEF protein is detectable within 24 h of electroporation, largely membrane-localized, and found throughout embryonic development in both central and peripheral processes. The optical clarity of thin embryonic tissue allows detailed innervation patterns of ChIEF-containing motor axons to be visualized in the living embryo in ovo, and pulses of blue light delivered to the thigh can elicit stereotyped flexures of the leg when the embryo is at rest. Continuous illumination can disrupt full extension of the leg during spontaneous movements. Therefore, our results establish an optogenetics approach to alter normal peripheral axon function and to probe the role of movement and neuronal activity in sensorimotor development throughout embryogenesis.

41

Yoon, Jaeho, Vijay Kumar, Ravi Shankar Goutam, Sung-Chan Kim, Soochul Park, Unjoo Lee, and Jaebong Kim. "Bmp Signal Gradient Modulates Convergent Cell Movement via Xarhgef3.2 during Gastrulation of Xenopus Embryos." Cells 11, no. 1 (December 24, 2021): 44. http://dx.doi.org/10.3390/cells11010044.

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Gastrulation is a critical step in the establishment of a basic body plan during development. Convergence and extension (CE) cell movements organize germ layers during gastrulation. Noncanonical Wnt signaling has been known as major signaling that regulates CE cell movement by activating Rho and Rac. In addition, Bmp molecules are expressed in the ventral side of a developing embryo, and the ventral mesoderm region undergoes minimal CE cell movement while the dorsal mesoderm undergoes dynamic cell movements. This suggests that Bmp signal gradient may affect CE cell movement. To investigate whether Bmp signaling negatively regulates CE cell movements, we performed microarray-based screening and found that the transcription of Xenopus Arhgef3.2 (Rho guanine nucleotide exchange factor) was negatively regulated by Bmp signaling. We also showed that overexpression or knockdown of Xarhgef3.2 caused gastrulation defects. Interestingly, Xarhgef3.2 controlled gastrulation cell movements through interacting with Disheveled (Dsh2) and Dsh2-associated activator of morphogenesis 1 (Daam1). Our results suggest that Bmp gradient affects gastrulation cell movement (CE) via negative regulation of Xarhgef3.2 expression.

42

Krebs, C. J. "Two paradigms of population regulation." Wildlife Research 22, no. 1 (1995): 1. http://dx.doi.org/10.1071/wr9950001.

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No population increases without limit and ecologists have utilised two paradigms to find out why. The density-dependent paradigm assumes that birth, death and movement rates will be related to population density. In many cases they are not, and the search for density dependence has become a holy grail. A better approach is through the mechanistic paradigm which searches for relationships between birth, death and movement rates, and the mechanisms controlling populations, such as disease, predation, food shortage and territoriality. Seven suggestions are made for analysing the role of disease in population regulation in mammals. Useful progress will flow more quickly from the mechanistic paradigm without the need to search for density dependence.

43

Žufan, P. "Czech wine-production industry and recent movement forces." Agricultural Economics (Zemědělská ekonomika) 50, No. 9 (February 24, 2012): 400–404. http://dx.doi.org/10.17221/5225-agricecon.

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The paper focuses on identification of the current key movement forces in wine-production industry in the Czech Republic, and its goal is to analyse these key influences, and to identify the most important ones (long term industry growth-rate, technological changes, regulation influences and changes of government policy, and changes of societal priorities and life style). Based on the identified key factors influencing future development and changes in this industry, recommendations for firms are formulated.

44

Kendeh, Ntaima Malyse. "Basel Efforts in the Fight Against Toxic E-waste Colonialism: What Prospects for Effectiveness?" Scholars International Journal of Law, Crime and Justice 5, no. 11 (November 26, 2022): 495–506. http://dx.doi.org/10.36348/sijlcj.2022.v05i11.004.

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The invasion of developing countries by hazardous e-waste traders in quests for sites to dispose of their consignments of waste is not a recent phenomenon. These activities have continued regardless and in defiance of the Basel Convention as the main global instrument regulating the Transboundary movement of hazardous wastes. This article therefore provides a concise overview of the effectiveness of the Basel Convention in the fight against the Transboundary movement of e-waste from developed Countries to third world countries. Adopting an analytical research method, it is uncovered that even though the Basel Convention is instrumental in the regulation of Transboundary movements of e-waste to developing countries, its effectiveness is marred by inherent loopholes in the convention, namely: the verification problem in the PIC procedure and the recycling and reuse loopholes amongst others. It is argued that in order to halt the movement of e-waste to developing countries, the recycling and reuse loopholes must be mended. The PIC procedure in the Convention must also be manned with monitoring structures.

45

Wang, Zhi Ming, and Wei Li. "Analysis of Automotive Steering Column Regulation Performance Based on Abaqus." Applied Mechanics and Materials 494-495 (February 2014): 112–15. http://dx.doi.org/10.4028/www.scientific.net/amm.494-495.112.

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The adjustment test of steering column is an important parameter for automobiles safety, but the unified standard and test method are not yet formed. Build parameterized model of steering column internal and external spline shafts, and analysis the contact stress changes in the movement process using Abaqus/standard. The movement speed of 5 mm/s in the x, y direction as example, and stress distribution of regulating movement are obtained. Experimental result shows that the maximum overall stress grows with the adjusting movement speed growth, and its in conformity with actual parts failure.

46

Sypniewski, Tomasz. "CHANGES IN POLISH LEGAL REGULATIONS CONCERNING ROAD TRAFFIC IN THE 20S AND 30S OF THE 20TH CENTURY, IN THE CONTEXT OF AN EXEMPLARY ROAD COLLISION." Studia z zakresu nauk prawnoustrojowych. Miscellanea VIII, z. 2 (December 7, 2018): 191–201. http://dx.doi.org/10.5604/01.3001.0013.0370.

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Today, looking at the still crowded streets of our cities, we often do not realize how important and essential for their normal functioning are legal regulations of road traffic for all its users. The beginnings of Polish legislation in this field date back to the 1920s. The dynamics of change, occurring in this relatively new field of life, required the introduction of a series of further adjustments and revisions. The Regulation of July 6, 1922 was only six years old. On January 27, 1928, the Minister of Public Works and the Minister of Internal Affairs in agreement with the Minister of Military Affairs passed a regulation on the movement of motor vehicles on public roads. Before 1939, normative acts regulating the rules of motor vehicle traffic were repealed twice and replaced with newer legal acts.

47

Massion, Jean, Jean-Claude Fabre, Laurence Mouchnino, and Annie Obadia. "Body Orientation and Regulation of the Center of Gravity During Movement Under Water." Journal of Vestibular Research 5, no. 3 (July 1, 1995): 211–21. http://dx.doi.org/10.3233/ves-1995-5305.

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Professional divers were instructed to adopt a vertical posture under water with their feet fixed to the ground and to perform a fast forward or backward upper trunk bending movement in response to a tone. Kinematic and EMG analyses were performed. It was first noted that the divers adopted a forward inclined, erect posture, suggesting that the verticality was misevaluated, although the effects of gravity were still exerted on the otoliths. Second, the upper trunk movements were still accompanied by opposite movements of lower segments and, as a result, the center of gravity displacement was still minimized, although not so accurately as on the ground. The EMG pattern consisting of early activation of a set of trunk, thigh, and shank muscles continued to occur under water. These results suggest that “axial synergies” associated with upper trunk movements are learned motor habits that regulate the center of gravity position regardless of the equilibrium constraints.

48

Sandhyavitri, Ari, and Fiqri Fansyuri. "Evaluation and Projection of Airport Landing Movement Areas based on Statistical Analyses, ICAO 2013 Manuals and KM 44, 2002 Regulation." Journal of Innovation and Technology 1, no. 2 (October 30, 2020): 12–17. http://dx.doi.org/10.31629/jit.v1i2.3167.

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This article demonstrated how to calculate an airport landing movement in systematic five main stages encompassing; (i) data collection (including passengers data, aircraft movements, population, GDP, per capita income, cargos movement, temperatures, ground elevation, slope surface, wind speed, and aircraft characteristics), (ii) forecasting the future traffic demands, (iii) calculating aerodrome reference field length (ARFL), (iv) define aerodrome reference code (ARF), and (v) calculate runway dimensions, taxiways, and apron areas. This article has selected Hang Nadim International Airport (HIA) as a case study. It was identified that the aircraft movements in this airport have increased by an average of 7.30% every year in the periods of 2007 to 2016. This Airport has an existing apron with a capacity of 13 aircraft, while the apron currently has to accommodate 19 aircraft. Therefore, to anticipate future demand. This research evaluated and forecasted the requirements standard for the airport landing movement areas in 2026. Based on the International Civil Aviation Organization (ICAO) 2013 manuals and KM 44, 2002 regulation concerning the National Airport Regulation. This article recommended that the existing runway and taxiways would be adequate to facilitate future aircraft movements up to 2026. However, the apron requires to be expanded to 1,600 m x 150 m (which a capacity of 31 aircraft) for accommodating the apron requirements standard in 2026.

49

Kulkarni, Sarang V., Gerald Gish, Peter van der Geer, Mark Henkemeyer, and Tony Pawson. "Role of P120 Ras-Gap in Directed Cell Movement." Journal of Cell Biology 149, no. 2 (April 17, 2000): 457–70. http://dx.doi.org/10.1083/jcb.149.2.457.

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We have used cell lines deficient in p120 Ras GTPase activating protein (Ras-GAP) to investigate the roles of Ras-GAP and the associated p190 Rho-GAP (p190) in cell polarity and cell migration. Cell wounding assays showed that Ras-GAP–deficient cells were incapable of establishing complete cell polarity and migration into the wound. Stimulation of mutant cells with growth factor rescued defects in cell spreading, Golgi apparatus fragmentation, and polarized vesicular transport and partially rescued migration in a Ras-dependent manner. However, for directional movement, the turnover of stress fibers and focal adhesions to produce an elongate morphology was dependent on the constitutive association between Ras-GAP and p190, independent of Ras regulation. Disruption of the phosphotyrosine-mediated Ras-GAP/p190 complex by microinjecting synthetic peptides derived from p190 sequences in wild-type cells caused a suppression of actin filament reorientation and migration. From these observations we suggest that although Ras-GAP is not directly required for motility per se, it is important for cell polarization by regulating actin stress fiber and focal adhesion reorientation when complexed with 190. This observation suggests a specific function for Ras-GAP separate from Ras regulation in cell motility.

50

Ueda, Minoru, Yoko Nakamura, and Masahiro Okada. "Endogenous factors involved in the regulation of movement and "memory" in plants." Pure and Applied Chemistry 79, no. 4 (January 1, 2007): 519–27. http://dx.doi.org/10.1351/pac200779040519.

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The bioorganic basis of plant movement in two plant systems is described in this article: the circadian rhythmic leaf movement known as nyctinasty and trap movement in the Venus flytrap. The bioactive substances responsible for plant movement, the chemical mechanism of the rhythm, and studies on the key protein controlling nyctinasty are presented.The nyctinastic leaf movement is induced by a pair of leaf-movement factors, and one of each pair is a glucoside. There are two key proteins that are involved in the control of nyctinasty. One is β-glucosidase: a biological clock regulates the activity of β-glucosidase, which deactivates the glucoside-type leaf-movement factor, controlling the balance in the concentrations of the leaf-closing and -opening factors. The other is the specific receptor for each leaf-movement factor: the genuine target cell for each leaf-movement factor is confirmed to be a motor cell from leaflet pulvini, and the specific receptors that regulate the turgor of motor cells are localized in the membrane fraction. The article also discusses the isolation of the "memory" substance from the Venus flytrap and presents a mechanism for this action.

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