Shoulder biomechanics during the push phase of wheelchair propulsion: A multisite study of persons with paraplegia
Shoulder biomechanics during the push phase of wheelchair propulsion: A multisite study of persons with paraplegia
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DOI：
10.1016/j.apmr.2007.09.052
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发表时间：
2008-04-01
影响因子：
4.3
通讯作者：
Cooper, Rory A.
中科院分区：
文献类型：
--
作者：
Collinger, Jennifer L.;Boninger, Michael L.;Cooper, Rory A.
目的：对一大群截瘫的手动轮椅使用者在多种速度（自我选择和稳态目标速度）下轮椅推进过程中的肩部动力学和运动学进行描述性分析和比较，同时调查疼痛和受试者人口统计学对推进的影响。设计：案例系列。环境：三个研究机构的生物力学实验室。参与者：61名使用手动轮椅的截瘫患者的志愿者样本。干预：受试者在测力计上以自行选择的3种速度（0.9m/s、1.8m/s）推动自己的轮椅，并记录其动力学和运动学数据。主要结果测量：不同地点的人口统计学差异，受试者特征之间的相关性，有疼痛和无疼痛人群的人口统计学和生物力学比较，使用受试者特征预测肩部生物力学的线性回归，速度条件之间的生物力学比较。结果：观察到肩关节负荷随着推进速度的增加而显著增加。合力从0.9m/s试验时的54.4 +/- 13.5牛增加到1.8m/s试验时的75.7 +/- 20.7牛(P
Objectives: To present a descriptive analysis and comparison of shoulder kinetics and kinematics during wheelchair propulsion at multiple speeds (self-selected and steady-state target speeds) for a large group of manual wheelchair users with paraplegia while also investigating the effect of pain and subject demographics on propulsion.Design: Case series.Setting: Three biomechanics laboratories at research institutions.Participants: Volunteer sample of 61 persons with paraplegia who use a manual wheelchair for mobility.Intervention: Subjects propelled their own wheelchairs on a dynamometer at 3 speeds (self-selected, 0.9m/s, 1.8m/s) while kinetic and kinematic data were recorded.Main Outcome Measures: Differences in demographics between sites, correlations between subject characteristics, comparison of demographics and biomechanics between persons with and without pain, linear regression using subject characteristics to predict shoulder biomechanics, comparison of biomechanics between speed conditions.Results: Significant increases in shoulder joint loading with increased propulsion velocity were observed. Resultant force increased from 54.4 +/- 13.5N during the 0.9m/s trial to 75.7 +/- 20.7N at 1.8m/s (P