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Direct linkSun, Bo; Liu, Yu; Li, Jing Xian; Li, Haipeng; Chen, Peijie – Research Quarterly for Exercise and Sport, 2013
Purpose: This study set out to examine the relationship between step frequency and velocity to develop a step frequency-based equation to predict Chinese youth's energy expenditure (EE) during walking and running. Method: A total of 173 boys and girls aged 11 to 18 years old participated in this study. The participants walked and ran on a…
Descriptors: Foreign Countries, Preadolescents, Adolescents, Physical Activities
Peer reviewedKaiser, Mary Kister; Proffitt, Dennis R. – Child Development, 1984
Examines whether kindergarteners, second-graders, fourth-graders, and adults can extract relative weight information from observing collisions and lifting events, and if they can judge whether or not collisions are momentum-conserving. Subjects saw either videotapes of events or sequences of static images; younger children appeared to be…
Descriptors: Acceleration (Physics), Adults, Age Differences, Children
