帕金森病患者和神经功能正常个体中，避障会增加交叉步的不对称性。
Obstacle Avoidance Increases Asymmetry of Crossing Step in Individuals With Parkinson's Disease and Neurologically Healthy Individuals.
作者信息
Barbieri Fabio Augusto, Simieli Lucas, Orcioli-Silva Diego, Baptista André Macari, Borkowske Pestana Mayara, Spiandor Beretta Victor, Dos Santos Paulo Cezar Rocha, Bucken Gobbi Lilian Teresa
机构信息
a Human Movement Research Laboratory (MOVI-LAB), Faculty of Science, Department of Physical Education , Universidade Estadual Paulista-UNESP , Bauru , Brazil.
b Posture and Gait Studies Laboratory (LEPLO), Bioscience Institute, Department of Physical Education , Universidade Estadual Paulista-UNESP , Rio Claro , Brazil.
出版信息
J Mot Behav. 2018 Jan-Feb;50(1):17-25. doi: 10.1080/00222895.2016.1271303. Epub 2017 Mar 2.
The authors' aim was to investigate gait asymmetry of crossing step during obstacle avoidance while walking in people with Parkinson's disease (PD) under and without the effects of dopaminergic medication. Thirteen individuals with PD and 13 neurologically healthy individuals performed 5 trials of unobstructed gait and 10 trials of obstacle crossing during gait (5 trials with each leg) and spatiotemporal parameters were analyzed. Obstacle crossing increased step duration of the crossing step for the most-affected or nondominant limb compared to the crossing step with the least-affected or dominant limb. Individuals with PD without the effects of medication increased step duration for the step with the least-affected limb compared to the step with the most-affected limb during obstacle crossing.
作者的目的是研究帕金森病（PD）患者在服用和未服用多巴胺能药物影响的情况下，在行走时避障过程中交叉步的步态不对称性。13名PD患者和13名神经功能正常的个体进行了5次无障碍步态试验以及10次步态中跨越障碍物的试验（每条腿各5次），并对时空参数进行了分析。与受影响最小或优势肢体的交叉步相比，跨越障碍物会增加受影响最大或非优势肢体交叉步的步长。在跨越障碍物时，未服用药物的PD患者受影响最小肢体的步长相比于受影响最大肢体的步长有所增加。
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