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Perceptual and Motor Skills

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https://www.readbyqxmd.com/read/27932536/an-event-related-potential-study-on-the-perception-and-the-recognition-of-face-facial-features-and-objects-in-children-with-autism-spectrum-disorders
#1
I-Hsuan Shen, Shih-Chi Lin, Yu-Yu Wu, Chia-Ling Chen
The study investigated whether children with autism spectrum disorders (ASD) showed atypical patterns of brain specialization for face processing, whether the response to familiar and unfamiliar faces, facial features, and objects were different from typically developing children. Event-related potentials were recorded in 5- to 8-year-old children (12 children with ASD, 12 typically developing children) using passive viewing paradigm. The fastest P1 latencies to faces and the largest P1 amplitudes to objects were observed in both participant groups...
December 7, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27932535/session-perceived-exertion-following-traditional-and-circuit-resistance-exercise-methods-in-older-hypertensive-women
#2
Rafael Gauche, João B Ferreira-Júnior, André B Gadelha, Silvia G R Neri, Martim Bottaro, Lauro C Vianna, Ricardo M Lima
This study compared session ratings of perceived exertion (SRPE) between traditional multiple-set (TR) and circuit (CI) resistance exercise methods in treated hypertensive women. Fourteen volunteers (69.9 ± 5.6 years) performed two training sessions (TR and CI) in a random order, with the same number of sets, exercises, and loads. SRPE was obtained 30 minutes following each session using Foster's scale. OMNI-resistance exercise scale (OMNI-RES) measures were subsequently taken. Foster's SRPE was not significantly different between sessions (3...
December 7, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27932534/perceptual-and-motor-performance-of-combat-sport-athletes-differs-according-to-specific-demands-of-the-discipline
#3
Wei-Ying Chen, Sheng K Wu, Tai-Fen Song, Kuei-Ming Chou, Kuei-Yuan Wang, Yao-Ching Chang, Patrick T Goodbourn
The specific demands of a combat-sport discipline may be reflected in the perceptual-motor performance of its athletes. Taekwondo, which emphasizes kicking, might require faster perceptual processing to compensate for longer latencies to initiate lower-limb movements and to give rapid visual feedback for dynamic postural control, while Karate, which emphasizes both striking with the hands and kicking, might require exceptional eye-hand coordination and fast perceptual processing. In samples of 38 Taekwondo athletes (16 females, 22 males; mean age = 19...
December 7, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27920068/sedentary-behavior-during-school-recess-in-southern-brazil
#4
João Paulo de Aguiar Greca, Diego Augusto Santos Silva
The aim of this study was to assess sedentary behavior during school recess in Brazilian boys and girls. The study included 455 students (233 boys and 222 girls), aged 8 to 17 years, enrolled in a public school in the city of Londrina, Brazil. All data was collected using questionnaires. Logistic regression with odds ratio and confidence interval (95%) was used to measure the relationship between sedentary behavior and sex, age, weight, screen time, and economic status. There was a high prevalence (40.7%) of sedentary behavior in this sample, with girls (aged 8 to 17 years) more likely than boys (54...
December 5, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27879423/structure-and-profiles-of-basic-motor-competencies-in-the-third-grade-validation-of-the-test-instrument-mobak-3
#5
Christian Herrmann, Harald Seelig
Basic motor competencies are defined as motor performance dispositions that evolve from specific requirements in sports and exercise. After validating the MOBAK-1 instrument for first graders, we developed the MOBAK-3 for the assessment of basic motor competencies in third graders. We investigated the factorial and diagnostic validity of this instrument in a sample of 323 children (age: M = 9.2 years, SD = .39; sex: boys, n = 158, girls, n = 165). A confirmatory factor analysis verified the theoretical structure with the two factors Locomotion and Object Control...
November 21, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27864571/the-relationship-between-coach-and-player-training-load-perceptions-in-professional-soccer
#6
Paulo Eduardo Redkva, Sergio Gregorio da Silva, Mauro Ricetti Paes, Julio Wilson Dos-Santos
The training load imposed and perceived by coaches and soccer players, respectively, was compared for three weeks of the basic preparatory period of a professional soccer team through session ratings of perceived exertion (S-RPE). Participants were 24 professional Brazilian soccer players (all males, age: 24.1 ± 3.4 years) and their coaches. Athletes responded to the scale of perceived exertion (scores from 0 to10) after the training, while the coaches completed the scale prior to the training session, based on prior planning...
November 17, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27837043/reliability-of-sargent-jump-test-in-4-to-5-year-old-children
#7
Carlos AyánPérez, José M CancelaCarral, Joaquín Lago-Ballesteros, Iván Martínez-Lemos
We assessed the test-retest reliability of the Sargent jump (VJ) for vertical jumping performed by 4 and 5 years old pre-schoolers. The VJ was administered three times (familiarization, test, and retest) to 163 children (mean age: 4.48 ± 0.5 years; 55.8% girls). The results were compared with those obtained in the standing long jump (SLJ) and in the 25 -m dash test to identify how its performance correlated with other measures of leg power. Systematic change in the mean and retest correlations with these other measures were used to help analyze VJ test-retest reliability...
November 11, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27837042/gaze-shift-patterns-during-a-jump-with-full-turn-in-male-gymnasts
#8
Yusuke Sato, Shuko Torii, Masaharu Sasaki, Thomas Heinen
When airborne, gymnasts skillfully control their movements to achieve a successful landing. Utilizing visual information from task-specific eye-body coordination patterns (i.e., visual spotting) is thought to be important for gymnasts in the performance of aerial skills. The purpose of this study was to assess the interplay of eye movements and body movements in an aerial skill with a rotation about the longitudinal axis, namely a straight jump with full turn. Participants were 10 skilled male gymnasts (age [M ± SD], 23...
November 11, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27837041/acute-effects-of-resistance-exercise-with-continuous-and-intermittent-blood-flow-restriction-on-hemodynamic-measurements-and-perceived-exertion
#9
Gabriel R Neto, Jefferson S Novaes, Verônica P Salerno, Michel M Gonçalves, Bruna K L Piazera, Thais Rodrigues-Rodrigues, Maria S Cirilo-Sousa
This study compared the acute effects of low-intensity resistance exercise (RE) sessions for the upper limb with continuous and intermittent blood flow restriction (BFR) and high-intensity RE with no BFR on lactate, heart rate, double product (DP; heart rate times systolic blood pressure), and perceived exertion (RPE). Ten recreationally trained men (1-5 years strength training; age mean = 19 ± 0.82 years) performed three experimental protocols in random order: (a) low-intensity RE at 20% one-repetition maximum (1RM) with intermittent BFR (LI + IBFR), (b) low-intensity RE at 20% 1RM with continuous BFR (LI + CBFR), and (c) high-intensity RE at 80% 1RM...
November 11, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27837040/brazilian-photographic-figure-rating-scale-development-and-psychometric-investigation
#10
Marcela R de Castro, Fabiane Frota da Rocha Morgado, Ismael Forte Freitas Junior
This study reports on the development, reliability, and validity of a new instrument for obtaining respondents' body image perception, the Brazilian Photographic Figure Rating Scale (BPFRS). This instrument consists of eight photographic images (seven distorted and one accurate) of respondents themselves in standardized poses, taken just prior to requesting respondents to make self-ratings on the instrument. Participants involved in developing and evaluating this instrument were 142 Brazilian women (age 21...
November 11, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27807181/the-effects-of-positive-and-negative-feedback-on-maximal-voluntary-contraction-level-of-the-biceps-brachii-muscle-moderating-roles-of-gender-and-conscientiousness
#11
Murat Sarıkabak, Çetin Yaman, Serdar Tok, Erdal Binboga
We investigated the effect of positive and negative feedback on maximal voluntary contraction (MVC) of the biceps brachii muscle and explored the mediating effects of gender and conscientiousness. During elbow flexion, MVCs were measured in positive, negative, and no-feedback conditions. Participants were divided into high- and low-conscientiousness groups based on the median split of their scores on Tatar's five-factor personality inventory. Considering all participants 46 college student athletes (21 female, 28 male), positive feedback led to a greater MVC percentage change (-5...
November 2, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27807180/mother-s-perception-of-children-s-motor-development-in-southern-brazil
#12
Sabrine D Silva, Fábio S Flôres, Shaiane L Corrêa, Rita Cordovil, Fernando Copetti
Parents' perceptions of children's motor competence are important because they influence the way parents interact with their children to promote motor skills development. Thirty-six mothers of 16- to 66-month old children (61%, 22 boys and 39%, 14 girls, n = 36) estimated their child's performance, using the Peabody Developmental Motor Scale 2nd Ed., while the child was being evaluated, by another trained researcher, with the same scale (Peabody Developmental Motor Scale 2nd Ed.) in a different room. Underestimations, accurate estimations, overestimations, and parental accuracy were investigated...
November 2, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27756832/slow-down-and-enjoy-the-effects-of-cycling-cadence-on-pleasure
#13
Pedro M D Agrícola, Daniel G da Silva Machado, Luiz F de Farias Junior, Luiz I do Nascimento Neto, André I Fonteles, Samara K A da Silva, Cheng H N Chao, Eduardo B Fontes, Hassan M Elsangedy, Alexandre H Okano
Pleasure plays a key role in exercise behavior. However, the influence of cycling cadence needs to be elucidated. Here, we verified the effects of cycling cadence on affect, perceived exertion (ratings of perceived exertion), and physiological responses. In three sessions, 15 men performed a maximal cycling incremental test followed by two 30-min constant workload (50% of peak power) bouts at 60 and 100 r/min. The pleasure was higher when participants cycled at 60 r/min, whereas ratings of perceived exertion, heart rate, and oxygen uptake were lower (p < ...
October 17, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27733665/effects-of-a-three-set-tennis-match-on-knee-kinematics-and-leg-muscle-activation-during-the-tennis-serve
#14
Brad Fenter, Thomas S Marzilli, Yong T Wang, Xuanliang N Dong
The purpose of this study was to determine the effect of a three-set tennis match on knee kinematics and leg muscle activation during the tennis serve in a real-time environment. Motion capture data and wireless electromyography of hamstrings and quadriceps muscles were collected from the back leg during the serve. A reduction of maximum knee flexion angle and a decrease of electromyography amplitudes in leg muscles were observed during the match. However, the knee angular velocity and the electromyography frequency of leg muscles remain unchanged throughout the match...
October 12, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27703063/speed-of-reaction-and-fighting-effectiveness-in-elite-greco-roman-wrestlers
#15
Dariusz Gierczuk, Vladimir Lyakh, Jerzy Sadowski, Zbigniew Bujak
The purpose of the study was to determine the changes in simple reaction time and to define correlations between simple reaction time and technical and tactical actions performed by elite Greco-Roman wrestlers during a match. Twenty Greco-Roman wrestlers (M age = 19.5 years, SD = 1.8) from the Wrestling Sports Centre in Radom participated in the study. Simple reaction time (including reaction time and movement time) before a match and after the first, the second, and the third round was analyzed. The wrestlers' reaction time and movement time changed in the course of performance...
October 4, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27703062/multivariate-associations-among-health-related-fitness-physical-activity-and-tgmd-3-test-items-in-disadvantaged-children-from-low-income-families
#16
Ryan Burns, Tim Brusseau, James Hannon
Motor skills are needed for physical development and may be linked to health-related fitness and physical activity levels. No studies have examined the relationships among these constructs in large samples of disadvantaged children from low-income families using the Test for Gross Motor Development-3rd Edition (TGMD-3). The purpose of this study was to examine the multivariate associations among health-related fitness, physical activity, and motor skills assessed using the TGMD-3. Participants included 1460 school-aged children (730 boys, 730 girls; M age = 8...
October 4, 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27597781/stages-of-behavioral-change-for-physical-activity-in-high-school-students-prevalence-and-associated-sociodemographic-factors
#17
Heloyse E G Nunes, Diego A S Silva
The aim was to estimate the prevalence of stages of change for physical activity and associated sociodemographic factors in students. The sample consisted of 942 students (44.7% males, 55.3% females; mean age = 16.1 years, SD = 1.1) in southern Brazil. Self-administered questionnaire was applied to identify stages of behavioral change for physical activity and sociodemographic variables (gender, age, maternal schooling, economic status, and school shift). Multinomial logistic regression was used to estimate the odds ratio (95%)...
October 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27597780/proprioceptive-visual-integration-and-embodied-cognition-a-developmental-perspective
#18
Edison de J Manoel, Pedro Fernando Viana Felicio, Cristiane Makida-Dionísio, Rafael Do Nascimento Soares, Alessandro Freitas, Roberto Gimenez
The present study addressed whether a spatial matching task relying on inter-sensory judgments might be influenced by the transition between egocentric and decentered mode of thinking. Thirty-six children aged 5, 7, or 9 years performed a paramedian correspondence task with conditions requiring inter-sensory integration (visual-proprioceptive) and a problem-solving task. The visual information was given through a mirror that perturbed the sensory judgments in the paramedian correspondence task. The results did not corroborate the hypotheses; nevertheless, the increasing importance of proprioception in the perceptual judgments for older children suggests that although younger children may be body centered (egocentric mode of thinking), older children seemed more able to use body to mediate their perceptual judgments...
October 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27565172/multi-directional-sprinting-and-acceleration-phase-in-basketball-and-handball-players-aged-14-and-15-years
#19
Marek Popowczak, Andrzej Rokita, Artur Struzik, Ireneusz Cichy, Andrzej Dudkowski, Paweł Chmura
An important role in handball and basketball is played by ability to accelerate and ability to repeat multiple sprints. The aim of the study was to assess level of ability in multi-directional sprinting and running time over the first 5 m of the 30 m sprint in 93 basketball and handball players (46 boys and 47 girls) aged 14 to 15 years. The attempts were also made to find the relationships between the time of a 5-m run to evaluate initial acceleration phase and multi-directional sprinting evaluated using Five-Time Shuttle Run To Gates Test Statistical analysis revealed no important differences in times of 5-m runs and times of multi-directional sprinting between groups with different ages, genders, and sports specialties...
October 2016: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/27562695/the-rate-of-expanded-inner-speech-during-spontaneous-sentence-productions
#20
Ronald Netsell, Steven Kleinsasser, Todd Daniel
The rate of expanded inner speech and speech aloud was compared in 20 typical adults (3 males, 17 females; M age = 24 years, SD = 4). Participants generated and timed spontaneous sentences with both expanded inner speech and speech aloud following the instruction to say "the first thing that comes to mind." The rate of expanded inner speech was slightly, but significantly, faster than the rate of speech aloud. The findings supported the hypothesis that expanded inner speech was faster than speech aloud because of the time required to move the articulators in the latter...
October 2016: Perceptual and Motor Skills
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