Design of an eccentric recumbent ergometer to elicit delayed onset muscle soreness

Sara A Harper, Frederick J. Peters, B. Pollock, Keith J. Burns, J. McDaniel, A. Ridgel
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Abstract

Introduction: Our objective was to design an eccentric bicycle design to elicit delayed onset muscle soreness (DOMS). Methods: To assess the bicycle designs’ ability to elicit DOMS, fourteen, recreationally active, males performed five-minutes of eccentric bicycling at 50% of their individualized power determined from a modified six-second Wingate test. Outcome measures to assess DOMS included the Likert pain scale, creatine kinase, lactate blood concentration, and pressure algometry detection evaluated at four time points (baseline (before the eccentric bicycling), immediate post, 24 hours post, and 48 hours post). Results: The Likert pain scale was different (F = 75.88, p < 0.001) at baseline (0.14 ± 0.36) and immediate post (0.21 ± 0.43), compared to 24 hours post (3.07 ± 0.83), and 48 hours post (2.93 ± 1.07). No changes were reported for creatine kinase (F = 0.7167, p = 0.475), lactate blood concentration (F = 2.313, p = 0.107), or pressure algometry detection. Conclusions: To understand mechanisms of DOMS, there is a need for a consistent, reliable method for producing DOMS. Our eccentric bicycle design and protocol offers an alternative approach to previous eccentric ergometer designs - demonstrating the potential to elicit DOMS in one, five-minute session.
设计一个偏心的卧式测力计,以引起延迟性肌肉酸痛
引言:我们的目的是设计一种偏心自行车设计,以引发延迟性肌肉酸痛(DOMS)。方法:为了评估自行车设计引发DOMS的能力,14名具有娱乐活动性的男性以改良的6秒Wingate测试确定的50%的个性化力量进行了5分钟的偏心自行车骑行。评估DOMS的结果指标包括Likert疼痛量表、肌酸激酶、乳酸血浓度和在四个时间点(基线(偏心骑自行车前)、即刻、24小时和48小时后)评估的压力算法检测。结果:Likert疼痛量表在基线(0.14±0.36)和即刻(0.21±0.43)时与24小时后(3.07±0.83)和48小时后(2.93±1.07)相比有所不同(F=75.88,p<0.001)。肌酸激酶(F=0.7167,p=0.475)、乳酸血浓度(F=2.313,p=0.107)或压力算法检测均无变化。结论:为了了解DOMS的机制,需要一种一致、可靠的生产DOMS的方法。我们的偏心自行车设计和方案为以前的偏心测力计设计提供了一种替代方法,证明了在一次五分钟的会议中引发DOMS的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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