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- Title
Prediction of VO2max with daily step counts for Japanese adult women.
- Authors
Cao, Zhen-Bo; Miyatake, Nobuyuki; Higuchi, Mitsuru; Ishikawa-Takata, Kazuko; Miyachi, Motohiko; Tabata, Izumi
- Abstract
The purpose of the study was to develop a new non-exercise VO(2max) prediction model using a physical activity (PA) variable determined by pedometer-determined step counts (SC, steps day(-1)) in Japanese women aged 20-69 years old. Eighty-seven and 102 subjects were used to develop the prediction model, and to validate the new model, respectively. VO(2max) was measured using a maximal incremental test on a bicycle ergometer. SC was significantly related to VO(2max) (partial correlation coefficient r = 0.40, P < 0.001) after adjusting for BMI (kg m(-2)) and age (years). When the new prediction equation developed by multiple regression to estimate VO(2max) from age, BMI, and SC (R = 0.71, SEE = 5.3 ml kg(-1) min(-1), P < 0.001) was applied to the Validation group, predicted VO(2max) correlated well with measured VO(2max) (r = 0.81, P < 0.001), suggesting that SC is a useful PA variable for non-exercise prediction of VO(2max) in Japanese women.
- Subjects
PHYSICAL fitness for women; AEROBIC capacity; PEDOMETERS; PREDICTION models; DYNAMOMETER; PATIENT monitoring equipment; ASIANS; BIOLOGICAL models; COMPARATIVE studies; EXERCISE; RESEARCH methodology; MEDICAL cooperation; PATIENT monitoring; PHYSICAL fitness; RESEARCH; TRANSDUCERS; EVALUATION research; OXYGEN consumption; ERGOMETRY; EQUIPMENT &; supplies
- Publication
European Journal of Applied Physiology, 2009, Vol 105, Issue 2, p289
- ISSN
1439-6319
- Publication type
journal article
- DOI
10.1007/s00421-008-0902-8