Walking Cadence of 9-Year-Olds Predictable as Resonant Frequency of a Force Driven Harmonic Oscillator [0.03%]
9岁儿童步行为如同受迫振动谐振子一般的可预测性
Kenneth G Holt,Suh Fang Jeng,Linda Fetters
Kenneth G Holt
Preferred stride frequency (PSF) of adult human walking has been shown to be predictable as the resonant frequency of a force driven harmonic oscillator (FDHO). The purpose of this study was to determine whether the PSF of 9-year-old childr...
The Influence of Age and Sexual Maturation on Children's Blood Lactate Responses to Exercise [0.03%]
年龄和性成熟对孩子运动时血液乳酸反应的影响
Joanne R Williams,Neil Armstrong
Joanne R Williams
A total of 100 boys and 91 girls, ages 11 to 16 years, completed a discontinuous treadmill test to voluntary exhaustion to determine the oxygen uptake/blood lactate relationship. Maturational stage was assessed in 72 boys and 47 girls using...
"Normalizing" Maximal Oxygen Uptake, or the Search for the Holy Grail (Per Kg) [0.03%]
“规范化”的最大摄氧量，或以千克体重为基础追寻圣杯式的探索
Thomas W Rowland
Thomas W Rowland
Weight Loss Behavior in High School Wrestling: Wrestler and Parent Perceptions [0.03%]
高中橄榄球运动员和家长对减重行为的看法
Terry J Housh,Glen O Johnson,Sharon A Evans
Terry J Housh
Self-reports of weight loss knowledge, attitudes, and methods in a sample of 125 high school wrestlers are described. These responses are compared to perceptions of 88 wrestlers' parents regarding their son's weight loss behaviors. Response...
Sports Participation: A Physiological Profile of Children in Four Sports Over a 12-Week Season [0.03%]
四年级学生的体育运动生理学特征——以一个为期十二周的运动季为例
Geraldine Naughton,John Carlson
Geraldine Naughton
This study examined the changes in the physiological profile of children engaged in organized sporting activity compared to a group of normally active children. Eight children (mean age 11.4 yrs) from each of four popular sports in Australi...
Terry J Housh,Glen O Johnson,Dona J Housh
Terry J Housh
The purpose of this investigation was to examine age related changes in muscular power of high school wrestlers. A total of 155 high school wrestlers (M age±SD = 16.5±2.4 yrs) volunteered as subjects for this investigation. The sample inc...
A Developmental Analysis of Gender Differences in Health Related Physical Fitness [0.03%]
与健康有关的体能的性别差异的发展期分析
Jerry R Thomas,Jack K Nelson,Gabie Church
Jerry R Thomas
Data for the analysis were the health related fitness scores, anthropometric measures, and physical activity information from the National Children and Youth Fitness Study. The subjects were 6,800 boys and 6,523 girls, ages 6 through 18. Mu...
Use of the Rating of Perceived Exertion to Control Exercise Intensity in Children [0.03%]
在儿童中使用主观体力感觉分级控制运动强度
John G Williams,Roger G Eston,Clare Stretch
John G Williams
This study examined the ability of 40 children (20 boys and 20 girls), ages 11 to 14 years, to regulate the intensity of their effort using perceived effort ratings during cycling. The Borg Rating of Perceived Exertion 6 to 20 Scale was lea...
Description of the Physical Activity of Young Children Using Movement Sensor and Observation Methods [0.03%]
使用运动传感器和观察法描述幼儿的体育活动
Fred Danner,Melody Noland,Molly McFadden et al.
Fred Danner et al.
This study examined the validity of the Caltrac motion sensor for measuring physical activity in young children and described change over time in physical activity among 47 preschool children from obese and nonobese families. Children were ...
Thomas W Rowland
Thomas W Rowland