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ERIC Number: EJ938769
Record Type: Journal
Publication Date: 2004
Pages: 13
Abstractor: As Provided
Reference Count: 24
ISSN: ISSN-1091-367X
Comparison of the Effects of Three Stepping Cadences on the Criterion-Related Validity of a Step Test in Chinese Children
Hui, Stanley Sai-chuen; Cheung, Peggy Pui-yee
Measurement in Physical Education and Exercise Science, v8 n3 p167-179 2004
The purpose of this study was to evaluate the criterion-related validity of a 3-min step test using 3 stepping cadences. Chinese children (N = 50; age = 8.92 plus or minus 1.64 years) performed three 3-min bouts of a bench stepping exercise on a 12-in.-high (30.5 cm) bench. Stepping cadences for the 3 step tests were 22, 26, and 30 steps per minute (steps multiplied by min[superscript -1]), respectively. The 15-sec postexercise heart rate (PHR15),VO[subscript 2] during each 3-min stepping and anthropometric measurements were correlated with the criterion. The criterion measure of VO[subscript 2] peak was determined from a maximal treadmill exercise test. The criterion-related validity coefficients for the 3 stepping protocols were 0.76, 0.78, and 0.72. The standard error of estimates (SEEs) ranged from 3.81 to 4.24 ml multiplied by kg[superscript -1] multiplied by min[superscript -1]. The prediction accuracy of the 3 protocols was acceptable and similar, with slightly better prediction at a cadence of 26 steps multiplied by min[superscript -1]. Hence, a 3-min step test with 26 steps multiplied by min[superscript -1] was deemed to be a more effective and practical field test to estimate the aerobic fitness of Chinese children. The recommended equation is VO[subscript 2] peak = 95.80 - (1.407) x PHR15 (R[superscript 2] = 0.61, SEE = 3.81 ml multiplied by kg[superscript -1] multiplied by min[superscript -1]). (Contains 7 tables and 3 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: Elementary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers - Location: Hong Kong