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首页> 外文期刊>Gait & posture >Arm swing asymmetry in Parkinson's disease measured with ultrasound based motion analysis during treadmill gait
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Arm swing asymmetry in Parkinson's disease measured with ultrasound based motion analysis during treadmill gait

机译：跑步机步态中基于超声的运动分析测量帕金森氏病的手臂摆动不对称性

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The reduction of arm swing during gait is a frequent phenomenon in patients with early Parkinson's disease (PD). However, the objective quantification of this clinical sign using treadmill-based gait analysis has not been systematically evaluated so far. We simultaneously measured ultrasound based limb kinematics and spatiotemporal gait parameters during treadmill walking at different speeds in 21 early PD patients in Hoehn and Yahr (HY) stage I, 19 patients with bilateral PD in HY stage II and 25 age-matched controls. Both PD groups showed a highly significant reduction of the arm swing amplitude on the more affected body side (MAS). Decomposing total arm swing resulted in a bilateral decrease of arm retroversion in both PD groups, whereas anteversion was normal on the less affected side of the HY I cohort. Early stage patients exhibited a highly significant, almost threefold increase of the arm swing asymmetry index (I A) compared with controls. Reduced retroversion on the MAS and increased arm swing I A were the independent variables with the closest association to disease status in a multivariate logistic regression analysis. We conclude that ultrasound based motion analysis during treadmill walking allows reliable investigation of asymmetric arm movements in early PD patients which attenuate with ongoing disease. Impaired active arm retroversion seems to be the earliest sign of upper extremity dysfunction in parkinsonian gait. The measurement of limb kinematics during treadmill gait can broaden our methodological line-up for the analysis of complex motor programs in movement disorders.
机译：患有早期帕金森氏病（PD）的患者经常出现步态不稳的现象。但是，到目前为止，尚未使用基于跑步机的步态分析对这种临床症状进行客观量化。我们同时在Hoehn和Yahr（HY）I期的21例早期PD患者，HY II期的19例双侧PD患者和25个年龄匹配的对照组中同时测量了以不同速度在跑步机上行走时基于超声的肢体运动学和时空步态参数。两个PD组均在受影响较大的身体侧（MAS）上显示出手臂摆幅的高度显着降低。在两个PD组中，总手臂摆动的分解导致手臂倒退的双侧减少，而在HY I队列受影响较小的一侧，前倾是正常的。与对照组相比，早期患者的手臂摆动不对称指数（I A）升高了近三倍。在多元逻辑回归分析中，MAS逆行减少和手臂摆动I A增加是与疾病状态最相关的独立变量。我们得出的结论是，在跑步机行走过程中基于超声的运动分析可以对早期PD患者的不对称手臂运动进行可靠的研究，这种运动会随着疾病的进展而减弱。主动臂逆行受损似乎是帕金森病步态中上肢功能障碍的最早迹象。在跑步机步态中进行肢体运动学测量可以拓宽我们的方法学系列，以分析运动障碍中的复杂运动程序。

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