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The Effects of Obstacle Height on the Stepping Over Gait in Parkinson`s Patients
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 Title & Authors
The Effects of Obstacle Height on the Stepping Over Gait in Parkinson`s Patients
Kim, Mi-Young; Lim, Bee-Oh;
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Falls associated with tripping over an obstacle can be dangerous, yet little is known about the strategies used for stepping over obstacles by Parkinson`s patients. The purpose of this study was to investigate stepping over gait characteristics according to obstacle height in Parkinson`s patients. The gait of 7 Parkinson`s patients was examined during a 5.0 m approach to, and while stepping over, obstacles of 0, 2.5, 5.2, and 15.2 cm. Only five Parkinson`s patients were able to clear all obstacles successfully; as such, only their data were analyzed. A one-way ANOVA for repeated measures was employed for selected kinematic variables to analyze the differences of the height of four obstacles. The results showed significant differences between obstacle height and: approaching speed (AS), foot clearance from the obstacle(FC), and step width (SW). The results showed no significant differences between obstacle height and: crossing speed (CS), toe distance (TD), and heel distance (HD). This strategy tends to reduce the risk of toe contact with the obstacle. Parkinson`s patients were stepping over the obstacle slowly, stably and inefficiently.
 Cited by
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