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- Title
The Relationship Between Peak Oxygen Uptake and Physical Activity In 6- to 8-Year-Old Children.
- Authors
Fenster, Juliane R.; Freedson, Patty S.; Washburn, Richard A.; Ellison, R. Curtis
- Abstract
The relationship between physical activity measured using the LSI (Large Scale Integrated Activity Monitor), and questionnaire, with physical work capacity 170 (PWC 170) and aerobic capacity (peak VO2) was evaluated in 6- to 8-year-old children (n=18). The mean (±SD) peak VO2 was 44.1±5.6 ml•kg-1•min-1. Peak VO2 was not significantly different for children (n=8) who had completed two treadmill trials (45.4 vs. 43.5 ml•kg-1•min-1; R=0.67,p<0.05). The log LSI expressed as counts per hour (M±SD = 2.1±.22 cts/hr) was the only activity method significantly related to peak VO2 (r=0.59, p<0.05). The correlation between peak VO2 with the questionnaire was positive but nonsignificant (r=0.20). PWC 170 was not related to peak VO2 (r=0.21) or the activity variables (r=0.12 questionnaire; r=0.18 log LSI). When the group was divided into high and low peak VO2 groups (high: M=48.8 ml•kg-1•min-1; low: M=39.5 ml•kg-1•min-1), the log LSI was able to distinguish significant differences in activity levels (high: 2.23 ±.19 cts/hr; low: 1.99±.19 cts/hr). This study suggests that activity measured with the LSI and aerobic capacity are related in this sample of 6- to 8-year-old children.
- Subjects
PHYSICAL fitness for children; PHYSICAL fitness research; EXERCISE physiology; AEROBIC capacity; BLOOD gases analysis; RESPIRATORY measurements; PEDIATRIC physiology; PULMONARY function tests; EXERCISE for children; CARDIOPULMONARY system
- Publication
Pediatric Exercise Science, 1989, Vol 1, Issue 2, p127
- ISSN
0899-8493
- Publication type
Article
- DOI
10.1123/pes.1.2.127