Ballaz Laurent, Raison Maxime, Detrembleur Christine, Gaudet Guillaume, Lemay Martin
Department of kinanthropology, Université du Québec à Montréal, Montreal, Qc Canada ; Research & Engineering Chair Applied to Pediatrics (RECAP), Marie Enfant Rehabilitation Centre (CRME) - Research Center - Sainte-Justine UHC, and École Polytechnique de Montréal, Montreal, Qc Canada.
Department of mechanical engineering, École Polytechnique de Montréal, Montreal, Qc Canada ; Research & Engineering Chair Applied to Pediatrics (RECAP), Marie Enfant Rehabilitation Centre (CRME) - Research Center - Sainte-Justine UHC, and École Polytechnique de Montréal, Montreal, Qc Canada ; CRME - Research Center, Office GR-123, 5200, East Bélanger Street, H1T 1C9 Montréal, QC Canada.
BMC Sports Sci Med Rehabil. 2016 Apr 11;8:8. doi: 10.1186/s13102-016-0033-1. eCollection 2016.
Joint torques are generally of primary importance for clinicians to analyze the effect of a surgery and to obtain an indicator of functional capability to perform a motion. Given the current need to standardize the functional evaluation of the upper limb, the aim of this paper is to assess (1) the variability of the calculated maximal elbow joint torque during cyclic elbow flexion-extension movements and (2) participant test-retest repeatability in healthy young adults. Calculations were based on an existing non-invasive method including kinematic identification and inverse dynamics processes.
Twelve healthy young adults (male n = 6) performed 10 elbow flexion-extension movement carrying five different dumbbells (0, 1, 2, 3 and 4 kg) with several flexion-extension frequencies (½, (1)/3, ¼ Hz) to evaluate peak elbow joint torques.
Whatever the condition, the variability coefficient of trial peak torques remained under 4 %. Bland and Altman plot also showed good test-retest, whatever the frequency conditions for the 0, 1, 2, and 3 kg conditions.
The good repeatability of the flexion-extension peak torques represents a key step to standardize the functional evaluation of the upper limb.
关节扭矩通常对临床医生分析手术效果以及获得运动功能能力指标至关重要。鉴于当前需要规范上肢功能评估，本文旨在评估：（1）在周期性肘关节屈伸运动中计算出的最大肘关节扭矩的变异性；（2）健康年轻成年人的测试-重测重复性。计算基于一种现有的非侵入性方法，包括运动学识别和逆动力学过程。
12名健康年轻成年人（男性6名）使用五种不同重量的哑铃（0、1、2、3和4千克）进行10次肘关节屈伸运动，屈伸频率分别为几种（1/2、1/3、1/4赫兹），以评估肘关节峰值扭矩。
无论何种情况，试验峰值扭矩的变异系数均保持在4%以下。布兰德-奥特曼图也显示出良好的测试-重测结果，无论0、1、2和3千克情况下的频率条件如何。
屈伸峰值扭矩的良好重复性是规范上肢功能评估的关键一步。
