认知双重任务对轮椅推进控制的影响
Leon Salm1,2, Lucas Schreff1, Christian Benker1,2
1Department of Orthopedic Surgery, Klinikum Bayreuth GmbH, Bayreuth, Germany.
PloS one
|February 13, 2025
概括
在双重任务条件下分析轮椅推进显示了运动模式的显著变化. 这些发现凸显了将认知负载纳入临床运动分析的必要性,以便进行更现实的评估和伤害预防策略.
科学领域:
- 生物力学 生物力学
- 康复工程 康复工程
- 人类运动科学科学 人类运动科学
背景情况:
- 轮椅使用者的临床运动分析对于预防上肢疼痛和受伤至关重要.
- 现有的实验室分析往往忽视了现实世界的分心和认知负载的影响.
- 双任务方法在步行者分析中取得了成功,为轮椅使用者研究提供了一个潜在的方法.
研究的目的:
- 适应双任务方法来分析轮椅推进行为.
- 为了研究额外的认知任务对轮椅推进生物力学的影响.
- 为了确定双任务条件是否比单任务条件产生更现实的移动数据.
主要方法:
- 52名参与者 (38名手动轮椅使用者,14名新手) 在测试台上推进轮椅.
- 基于标记器的3D动作捕捉记录了手和车轮的运动.
- 推进在单任务和双任务条件下使用步调听力序列加法测试 (PASAT) 进行了评估.
主要成果:
- 双重任务条件导致了明显更高的推进频率,更短的循环和恢复时间,以及更低的推进角度.
- 在双重任务条件下,手和推杆之间的距离减少,而手与轴之间的距离增加.
- 这些影响在手动轮椅使用者中更为明显,在两种条件下,在使用者群体之间观察到显著差异.
结论:
- 双重任务条件显著影响轮椅推进的时空参数,反映了在行走中看到的效应.
- 运动分析应包括双重任务评估,以获得更生态有效和临床相关的见解.
- 这种方法可以提高对轮椅使用者的生物力学理解,并为伤害预防策略提供信息.
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