75‐repetition versus sets to failure of blood flow restriction exercise on indices of muscle damage in women

血流受限 等长运动 医学 迟发性肌肉酸痛 最多一次重复 古怪的 阻力训练 压腿机 心脏病学 肌肉损伤 同心的 物理疗法 内科学 台式压力机 物理医学与康复 物理 几何学 数学 量子力学
作者
Christopher E. Proppe,Taylor M. Aldeghi,Paola M. Rivera,David Gonzalez‐Rojas,Aaron M. Wizenberg,Ethan C. Hill
出处
期刊:European Journal of Sport Science [Taylor & Francis]
卷期号:23 (10): 1993-2001 被引量:3
标识
DOI:10.1080/17461391.2023.2201813
摘要

ABSTRACTThere is conflicting evidence regarding the prevalence and magnitude of exercise-induced muscle damage (EIMD) following low-load resistance exercise with blood flow restriction (LL + BFR) that may be related to exercise protocols. The purpose of this investigation was to examine the effects of 75-repetition (BFR-75) (1 × 30, 3 × 15) and 4 sets to failure (BFR-4x) protocols on indices of EIMD among untrained women. Thirteen women completed this investigation. One leg was randomly assigned to BFR-75 and the other to BFR-4x. Each leg performed isokinetic, unilateral, concentric-eccentric, leg extension muscle actions at 30% of maximal strength. Indices of EIMD (muscle soreness, range of motion [ROM], limb circumference, pain pressure threshold [PPT], and maximal voluntary isometric contraction [MVIC]) were recorded before exercise, 0-, 24-, 48-, 72-, and 96-hours post-exercise. There were no changes for ROM, circumference, or PPT. Muscle soreness increased similarly in both conditions 0-, 24-, and 48-hours post-exercise and MVIC increased 24-, 48-, 72-, and 96-hours post-exercise. These findings suggested BFR-75 and BFR-4x were not associated with EIMD and elicited similar physiological responses. The increases in muscle soreness may be due to metabolic stress associated with LL + BFR protocols apart from EIMD.HighlightsThere was no evidence of significant exercise-induced muscle damage following low-load resistance exercise with blood flow restriction completed failure and non-failure.Muscle function was not impaired 24-96 h post-exercise for either protocol.Low-load resistance exercise with blood flow restriction using a 75-repetition and 4 sets to volitional failure protocol resulted in similar physiological responses to exercise.There may be higher levels of metabolic stress which may increase muscle soreness following low-load resistance exercise with blood flow restriction.
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