Adaptation of Torso Movement Strategies in Persons With Spinal Cord Injury or Low Back Pain
Adaptation of Torso Movement Strategies in Persons With Spinal Cord Injury or Low Back Pain
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DOI：
10.1097/brs.0b013e3181cb4769
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发表时间：
2010-09-01
期刊：
影响因子：
3
通讯作者：
Martin, Bernard J.
中科院分区：
文献类型：
--
作者：
Kim, K. Han;Choe, Su Bang;Martin, Bernard J.
研究设计.对照实验室研究。统计回归和组间比较。描述脊髓损伤（SCI）、腰痛（LBP）和对照组受试者在坐位手动搬运任务中的功能限制和适应策略。背景资料摘要。众所周知，SCI患者具有适应性肌电活动和缓慢的手部运动速度，而LBP患者的运动范围和腰椎关节贡献减少。然而，他们在躯干运动的结果还没有被系统地量化。坐着的参与者进行2-或1-手装载运输到1的6个目标49厘米以上的臀部点，在0，45，和90方位角，在近距离和远距离。采用B样条基函数组合的方法建立了人体躯干的三维运动模型。SCI和LBP参与者表现出较小的躯干屈曲和轴向旋转比对照参与者。SCI参与者倾向于将躯干远离目标以保持上身平衡。这些组间差异显着减少单手运输条件和/或运输到正面的目标。结论运动模式表明，SCI参与者可能已经调整了躯干运动策略，以补偿对上身平衡的有限控制，而LBP参与者可能会限制躯干运动，以避免疼痛。
Study Design. Controlled laboratory study. Statistical regression and between-group comparisons.Objective. To characterize functional limitation and adaptive strategies in seated manual transport tasks for spinal cord injury (SCI), low back pain (LBP), and control participants.Summary of Background Data. People with SCI are known to have adapted electromyographic activities and slow hand movement velocity, while those with LBP have reduced range of motion and lumbar joint contribution. However, their resultant outcome in torso movements has not been systematically quantified.Methods. Seated participants performed either 2- or 1-handed loaded transports to 1 of 6 targets 49 cm above the hip-point, at 0, 45, and 90 azimuths, at close and far distance. Three-dimensional torso movements were modeled by combinations of B-spline base functions.Results. The SCI and LBP participants exhibit smaller torso flexion and axial rotation than control participants. The SCI participants tend to move the torso away from the target to maintain upper body balance. These differences among groups are significantly reduced in the 1-handed transport condition and/or transports to the frontal target. Conclusion. The movement patterns suggest that SCI participants may have adapted torso movement strategies to compensate for the limited control of upper body balance, while LBP participants may limit torso motion to avoid pain.