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Self-perceived exertion level and objective evaluation of neuromuscular fatigue in a training session of orchestral violin players

机译:管弦小提琴演奏者训练中的自我感知的运动水平和神经肌肉疲劳的客观评估

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The aim of the study was to investigate the self-perceived exertion level and an objective measurement of muscle fatigue on violin players before and after a training session. Fourteen professional violin players volunteered in this study. Surveillance study was used to investigate the demographic characteristics, instrument playing background, playing habits variables and factors associated with playing-related musculoskeletal complaints (PRMCs). The subjective rating of the training-induced exertion was evaluated by the Borg scale ratings of perceived exertion (RPE). Surface electromyography (EMG) was used to record the fatigue level of the upper trapezius muscles before and after a training session. Medium frequency (MF) of the EMG signals was used to document the fatigue rate of this muscle. Descriptive statistics revealed a 79% prevalence rate of PRMCs with neck and shoulder region accounting for 57.1 % of the areas reported. On the self-perceived exertion level associated with the training session, results indicated a significant increase in fatigue level (p = 0.003) after the training session. Regression analysis and paired samples t-tests revealed no significant difference in the slopes of MF on both sides of trapezius muscle, before and after the training sessions. The disparity in the subjective perception with the objective findings indicated that the violinists' self-perceived exertion arises from multiple sources. The high prevalence of PRMCs in this profession warrants further ergonomic investigation of possible work-related risk factors.
机译:这项研究的目的是调查在训练之前和之后小提琴演奏者的自我感知的运动水平和肌肉疲劳的客观测量。 14名专业小提琴演奏者自愿参加了这项研究。监视研究用于调查人口统计学特征,乐器演奏背景,演奏习惯变量以及与演奏相关的肌肉骨骼疾病(PRMC)相关的因素。训练诱发的劳累的主观评分是通过博格量表的劳累评分(RPE)进行评估的。在训练前和训练后,使用表面肌电图(EMG)记录上斜方肌的疲劳程度。 EMG信号的中频(MF)用于记录该肌肉的疲劳率。描述性统计显示,颈部和肩部区域的PRMC患病率为79%,占报告区域的57.1%。在与训练课程相关的自我感觉到的劳累水平上,结果表明训练课程后疲劳水平显着增加(p = 0.003)。回归分析和配对样本t检验显示,在训练前后,斜方肌两侧的MF斜率没有显着差异。主观感受与客观发现之间的差异表明,小提琴家的自我感觉力源于多种来源。 PRMC在该行业的普遍流行,需要对可能的与工作有关的危险因素进行更符合人体工程学的研究。

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