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KMID : 1101720220260030032
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Physical Activity and Nutrition
2022 Volume.26 No. 3 p.32 ~ p.36
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Effect of a 12-week non-contact exercise intervention on body composition and health-related physical fitness in adults: a pilot test
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Kim Sung-Woo
Choi Jae-Ho
Sun Ye-Rin
Seo Ji-Soo
Jung Won-Sang
Park Hun-Young
Kim Ji-Su
Lim Ki-Won
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Abstract
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Purpose: The purpose of this study was to evaluate the effects of a 12-week non-contact exercise intervention on body composition and health-related physical fitness in adults.
Methods: One hundred adults were initially enrolled; however, ninety-seven participants (men: n = 41, women: n = 56) completed the study. The non-contact exercise was performed for 12 weeks using a smart tracker (Charge 4, Fitbit, USA) and mobile phone applications. The non-contact exercise program included resistance, aerobic, and flexibility exercises.
Results: The results showed that percent body fat (F=4.993, p=.016, ηp2=.049), fat-free mass (F=4.690, p=.024, ηp2=.047), and skeletal muscle mass (F=5.623, p=.004, ηp2=.055) significantly changed during the intervention period. Further, significant increases were seen in hand grip strength (F=12.167, p<.001, ηp2=.112), sit-and-reach (F=20.497, p<.001, ηp2=.176), sit-ups (F=42.107, p<.001, ηp2=.305), and VO2max (F=4.311, p=.037, ηp2=.043).
Conclusion: Our findings suggest that 12 weeks of non-contact exercise improves body composition and health-related physical fitness. Wearable technologies encourage individuals to modify their lifestyles by increasing physical activity and achieving the goal of maintaining health conditions among adults.
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KEYWORD
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COVID-19 pandemic, non-contact exercise, wearable technologies, smart tracker, body composition, health-related physical fitness
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