Relationship between shoulder pain and kinetic and temporal-spatial variability in wheelchair users.
Relationship between shoulder pain and kinetic and temporal-spatial variability in wheelchair users.
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DOI：
10.1016/j.apmr.2013.11.005
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发表时间：
2014-04
影响因子：
4.3
通讯作者：
Sosnoff, Jacob J.
中科院分区：
文献类型：
--
作者：
Rice, Ian M.;Jayaraman, Chandrasekaran;Hsiao-Wecksler, Elizabeth T.;Sosnoff, Jacob J.
研究手动轮椅使用者（MWU）肩痛时轮椅推进动力学和时空参数的个体内变异性。队列大学研究实验室26名身体残疾的成年人，他们使用手动轮椅进行全时移动（>80%安培）参与者在测力计上以3种速度（自选，0.7m/s，1.1m/s）以稳定的速度推动他们自己的轮椅。时间-空间和动力学数据记录在单侧的手边缘。肩痛量化与轮椅使用者肩痛指数（WUSPI）。在handrim测定个体内平均值、标准差（SD）和变异系数（CV =平均值/SD）以及动力学和时间空间指标。疼痛组的平均动力学和时间空间度量无差异（p> 0.016）。然而，有疼痛的个体在峰值合力和推动时间方面显示出较小的相对变异性（CV），而没有疼痛的个体（p<0.016）。肩关节疼痛对手部的平均动力学和时空推进变量没有影响，但在相对变异性方面存在组间差异。这些结果表明，个体内变异性分析对疼痛敏感。有人建议，变异性分析可能提供一种方法，早期识别手动轮椅使用者的风险发展肩痛。
To examine intra-individual variability of kinetic and temporal-spatial parameters of wheelchair propulsion as a function of shoulder pain in manual wheelchair users (MWU). Cohort University Research Laboratory 26 adults with physical disabilities who use a manual wheelchair for mobility full time (>80% ambulation) Participants propelled their own wheelchairs with force sensing wheels at a steady state pace on a dynamometer at 3 speeds (self-selected, 0.7m/s, 1.1m/s) for 3 minutes. Temporal-spatial and kinetic data were recorded unilaterally at the hand rim. Shoulder pain was quantified with the wheelchair users shoulder pain index (WUSPI). Intra-individual mean, standard deviation (SD), and coefficient of variation of (CV = mean/SD) with kinetic and temporal spatial metrics were determined at the handrim. There were no differences in mean kinetic and temporal spatial metrics as a function of pain group (p's > 0.016). However, individuals with pain displayed less relative variability (CV) in peak resultant force and push time then pain free individuals (p<0.016). Shoulder pain had no influence on mean kinetic and temporal-spatial propulsion variables at the handrim however group differences were found in relative variability. These results suggest that intra-individual variability analysis is sensitive to pain. It is proposed that variability analysis may offer an approach of earlier identification of manual wheelchair users at risk for developing shoulder pain.
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发表时间：
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影响因子：
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