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Journal of the Korean Academy of Rehabilitation Medicine 2003;27(1):131-136.
Body Composition before and after the Marathon Run.
Shin, Dong Hoon , Lee, Eun Shin , Yoon, Chul Ho , Choi, Hong Seok , Kim, Jong Chul , Shin, Hee Suk
1Department of Rehabilitation Medicine and Institute of Health Science, Gyeongsang National University College of Medicine, Korea.
2Dr. Kim's Rehabilitation Clinic, Korea.
Abstract
OBJECTIVE
We studied the effect of marathon running on body composition without fluid and food restriction. METHOD: The subjects were 17 nonprofessional male athletes, aged from 27 years to 47 years, who participated in a marathon run. Body composition was measured before and after marathon run with bioelectrical impedance analysis.
RESULTS
After the marathon, body mass was decreased by 1.99 +/- 0.51 kg (p<0.0001), fat mass was decreased by 4.81 +/- 2.64 kg (p<0.0001), percent body fat mass was decreased by 6.11 +/- 3.67% (p<0.0001), and body mass index was decreased by 0.69 +/- 0.19 kg/m2 (p<0.0001). Circumferences of upper arm, abdomen, hip, and thigh were significantly reduced by 0.5 +/- 0.2 cm, 3.0 +/- 2.88 cm, 2.33 +/- 2.3 cm, and 0.71 1.18 cm, respectively. Lean body mass was increased by 2.82 +/- 2.63 kg (p=0.001). Total body water was increased by 1.97 1.84 liter (p=0.001).
CONCLUSION
These results demonstrated that marathon run reduced body fat mass and preserved lean body mass.
Key Words: Marathon, Body composition, Body mass, Fat mass, Lean body mass
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