Comparison among three different intensities of eccentric contractions of the elbow flexors resulting in the same strength loss at one day post-exercise for changes in indirect muscle damage markers

Purpose The present study compared three different intensity elbow flexor eccentric exercises resulting in the same magnitude of maximal voluntary isomeric contraction torque (MVC) decrease at 1 day post-exercise for changes in several indirect markers of muscle damage and proprioception. Methods Se...

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Veröffentlicht in:European journal of applied physiology 2020-01, Vol.120 (1), p.267-279
Hauptverfasser: Chen, Trevor C., Huang, Guan-Ling, Hsieh, Chung-Chan, Tseng, Kuo-Wei, Tseng, Wei-Chin, Chou, Tai-Ying, Nosaka, Kazunori
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Sprache:eng
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Zusammenfassung:Purpose The present study compared three different intensity elbow flexor eccentric exercises resulting in the same magnitude of maximal voluntary isomeric contraction torque (MVC) decrease at 1 day post-exercise for changes in several indirect markers of muscle damage and proprioception. Methods Sedentary young men performed eccentric contractions of the elbow flexors using a dumbbell corresponding to either 10%, 50% or 100% of MVC to induce ~ 20% decrease in MVC at 1 day post-exercise ( n  = 12/group). MVC, range of motion (ROM), upper arm circumference (CIR), muscle soreness, plasma creatine kinase (CK) activity, and proprioception measures (force match, joint position sense) were taken before to 5 days after exercise, and the changes were compared among the groups. Results MVC and ROM recovered faster ( P  
ISSN:1439-6319
1439-6327
DOI:10.1007/s00421-019-04272-w