期刊
JOURNAL OF SPORTS SCIENCES
卷 28, 期 3, 页码 257-266出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/02640410903440892
关键词
Delayed-onset muscle soreness; relative power; relative anaerobic capacity; muscle fibre type; eccentric exercise
资金
- Appalachian State University Research Council
- North Carolina Wesleyan College
In this study, we examined the relationship between serum creatine kinase activity following exercise-induced muscle damage and muscle fibre composition. Seventeen untrained males volunteered and underwent a VO(2max) test, Wingate test, and an exercise-induced muscle damage protocol. Muscle soreness and blood samples were recorded before, immediately after, and 24, 48, 72, and 96 h after exercise. Biopsy samples from the vastus lateralis were collected one week after exercise-induced muscle damage and were assessed for muscle fibre composition. There was no significant relationship (P>0.05) between muscle fibre composition and creatine kinase activity. A significant positive correlation (P<0.05) was observed between soreness 48 h after exercise and type II and IIb fibres, and a significant negative correlation (P<0.05) was observed between soreness 48 h after exercise and type I muscle fibres. Significant positive correlations were observed between soreness 48 h after exercise and the fatigue index, relative average power, and relative anaerobic capacity. Our results suggest that creatine kinase activity following exercise-induced muscle damage may not be related to muscle fibre proportions, and higher post-exercise muscular pain may be related to a predominance of type II muscle fibres and higher anaerobic capabilities.
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