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首页> 外文期刊>Gait & posture >A kinematic analysis for shoulder and pelvis coordination during axial trunk rotation in subjects with and without recurrent low back pain
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A kinematic analysis for shoulder and pelvis coordination during axial trunk rotation in subjects with and without recurrent low back pain

机译：运动性腰背痛和不腰痛的受试者在躯干轴向旋转过程中肩部和骨盆协调性的运动学分析

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The purpose of this study was to compare the kinematics of the shoulder and pelvis based on range of motion (ROM), angular velocity, and relative phase (RP) values during trunk axial rotation. Nineteen subjects with recurrent low back pain (LBP) and 19 age-matched control subjects who are all right limb dominant participated in this study. All participants were asked to perform axial trunk rotation activities at a self-selected speed to the end of maximum range in a standing position. The outcome measures included ROM, angular velocity, and RP on the shoulder and pelvis in the transverse plane and were analyzed based on the demographic characteristics between groups. The LBP group demonstrated decreased ROM (p = 0.02) and angular velocity (p = 0.02) for the pelvis; however, there was no group difference for the shoulder girdle. The ROM difference between the shoulder and pelvic transverse planes had a significant interaction with age (F= 14.75, p = 0.001). The LBP group demonstrated a higher negative correlation between the shoulder (r = -0.74, p = 0.001) and pelvis (r = -0.72, p = 0.001) as age increased while no significant correlations were found in the control group. The results of this study indicated that there was a difference in pelvic rotation in the transverse plane between groups during axial trunk rotation. It would be important to coordinate postural stability between the shoulder and pelvic girdles during ambulation; however, the pattern of trunk movement decreased with age due to possible pelvic stiffness in subjects with recurrent LBP. Therefore, improved pelvic flexibility for coordinated trunk movement patterns would help subjects with recurrent LBP.
机译：这项研究的目的是根据躯干轴向旋转过程中的运动范围（ROM），角速度和相对相位（RP）值比较肩部和骨盆的运动学。 19位复发性下腰痛（LBP）受试者和19位年龄相同的对照受试者（均为右肢优势）参加了本研究。要求所有参与者在站立姿势下以自行选择的速度进行轴向躯干旋转活动，直到最大范围的末端。结果测量包括ROM，角速度和横向平面上肩膀和骨盆的RP，并根据组之间的人口统计学特征进行了分析。 LBP组显示骨盆的ROM（p = 0.02）和角速度（p = 0.02）降低;但是，肩带没有分组差异。肩部和骨盆横断面之间的ROM差异与年龄之间存在显着的相互作用（F = 14.75，p = 0.001）。 LBP组显示，随着年龄的增长，肩部（r = -0.74，p = 0.001）与骨盆（r = -0.72，p = 0.001）负相关性更高，而对照组中没有显着的相关性。这项研究的结果表明，在轴向躯干旋转过程中，各组之间横切面的骨盆旋转存在差异。行走时协调肩部和骨盆带之间的姿势稳定性很重要;然而，由于LBP复发的患者骨盆僵硬，躯干运动方式随年龄的增长而降低。因此，针对协调的躯干运动模式改善骨盆灵活性将有助于复发性LBP患者。

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