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首页> 外文期刊>Journal of exercise physiology online >Adaptation to Muscle Injury from Low Stimulus NonEccentrically Biased Acute Exercises
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Adaptation to Muscle Injury from Low Stimulus NonEccentrically Biased Acute Exercises

机译：低刺激性非偏心偏见急性运动对肌肉损伤的适应

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Frimpong E, Antwi DA, Asare G, Antwi-Boasiako C, Dzudzor B. Adaptation to Muscle Injury from Low Stimulus Non-Eccentrically Biased Acute Exercises. JEPonline 2014;17:(3)1-11. The purpose of this study was to investigate whether low stimulus non-eccentrically biased acute aerobic exercises result in adequate adaptation in skeletal muscles. Thirty healthy subjects were randomized into three groups: (a) the low stimulus down-hill treadmill exercise group (LSDTEG); the low stimulus up-hill treadmill exercise group (LSUTEG); and the low stimulus level treadmill exercise group (LSLTEG). The three groups performed acute exercises (bout 1) and a repeated exercise (bout 2). In the acute exercises, all the groups exercised at 50% of heart rate reserve (HRR) for 30 min. Two weeks after the acute exercises, the subjects performed a repeated exercise bout at 80% of HRR for 45 min. Creatine kinase (CK), total white blood cells (TWBC), and perceived muscle soreness (SOR) before and 1, 24, and 48 hrs post-exercise were assessed as markers of muscle injury and adaption. The results showed that muscle injury was significantly higher in the LSDTEG than LSUTEG and LSLTEG in the acute exercises. However, there were no significant differences in mean CK, TWBC, and SOR among the groups in the repeated exercise. The extent of muscle adaptation was similar in all three exercise groups. Thus, acute exercises by sedentary individuals can be of low stimulus and non-eccentrically biased to reduce muscle injury while inducing adequate muscle adaptation.
机译：Frimpong E，Antwi DA，Asare G，Antwi-Boasiako C，DzudzorB。适应低刺激性非偏心性急性运动引起的肌肉损伤。 JEPonline 2014; 17：（3）1-11。这项研究的目的是调查低刺激性非偏心偏见的急性有氧运动是否会导致骨骼肌的充分适应。 30名健康受试者被随机分为三组：（a）低刺激下坡跑步机运动组（LSDTEG）;低刺激性上坡跑步机运动组（LSUTEG）;以及低刺激水平的跑步机运动组（LSLTEG）。三组进行了急性运动（第1回合）和重复运动（第2回合）。在急性运动中，所有组均以心率储备（HRR）的50％运动30分钟。急性运动后两周，受试者以80％的HRR重复运动45分钟。肌酸激酶（CK），总白细胞（TWBC）和运动后1、1、24和48小时之前的肌肉酸痛（SOR）被评估为肌肉损伤和适应的标志。结果表明，在急性运动中，LSDTEG的肌肉损伤明显高于LSUTEG和LSLTEG。但是，在重复运动中，各组之间的平均CK，TWBC和SOR没有显着差异。三个运动组的肌肉适应程度相似。因此，久坐的人进行的急性运动可能具有低刺激性，并且不会偏心，以减少肌肉损伤，同时又能引起足够的肌肉适应性。

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