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KMID : 0359420200380040238
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Korean Journal of Sports Medicine
2020 Volume.38 No. 4 p.238 ~ p.241
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Evaluation of Muscle Damage by Central Fatigue Using Tensiomyography
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Chai Jung-Hoon
Bae Sang-Won
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Abstract
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This study compared muscle function pre- and post-central fatigue caused by a marathon, using maximal displacement (Dm), which indicates muscular stiffness in tensiomyography (TMG) results. Blood and noninvasive TMG test were performed on the 1st, 3rd, and 5th days before and immediately after the marathon. The muscles assessed were the vastus lateralis (VL), vastus medialis (VM), rectus femoris (RF), biceps femoris (BF), semitendinosus (ST), tibialis anterior, gastrocnemius lateralis, and gastrocnemius medialis. Lactate dehydrogenase levels (lactate dehydrogenase) increased sharply immediately after the competition and decreased to the pre-competition level after 5 days. Dm was the highest immediately post-competition at BF, ST, VL, VM, and RF muscles, with a tendency to decrease to pre-competition levels after 1 day. The application of TMG to identify muscle changes in central fatigue studies may be appropriate in the proximal region rather than in the distal region.
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KEYWORD
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Marathon, Muscle damage, Central fatigue, Maximal displacement, Lactate dehydrogenase
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