用可变形地面配合视觉反馈，能更好提升步态推进力。
Ground Compliance Improves Retention of Visual Feedback-Based Propulsion Training for Gait Rehabilitation
- 结合地面弹性变化与视觉反馈训练
- 参与者推进力显著提升且效果持续
- 适合中风后步态康复的长期训练
本研究探讨在视觉反馈步态训练中引入地面弹性是否比仅使用视觉反馈更有效提升推进力（POF），对步态康复具有重要意义。10名健康受试者在定制的双段跑步机上行走，所有人均接收实时地面反作用力的视觉反馈。一组额外体验地面弹性的变化，另一组仅接受视觉反馈。干预后，接受地面弹性反馈的组别成功并持续提升了推进力，同时在肌肉活动和关节运动学上表现出持久的适应性改变，表明更稳固地掌握了自然的推进策略。该研究揭示了视觉与本体感觉系统在步态适应中的协同机制，首次证明将地面弹性与视觉反馈结合能增强推进力学习，支持在中风等导致推进力缺陷的长期康复中使用可变形地形。
原文摘要 · Abstract (English)
This study investigates whether adding ground compliance to visual feedback (VF) gait training is more effective at increasing push-off force (POF) compared to using VF alone, with implications for gait rehabilitation. Ten healthy participants walked on a custom split-belt treadmill. All participants received real-time visual feedback of their ground reaction forces. One group also experienced changes in ground compliance, while a control group received only visual feedback. Intentional increases in propulsive ground reaction forces (POF) were successfully achieved and sustained post-intervention, especially in the group that experienced ground compliance. This group also demonstrated lasting after-effects in muscle activity and joint kinematics, indicating a more robust learning of natural strategies to increase propulsion. This work demonstrates how visual and proprioceptive systems coordinate during gait adaptation. It uniquely shows that combining ground compliance with visual feedback enhances the learning of propulsive forces, supporting the potential use of compliant terrain in long-term rehabilitation targeting propulsion deficits, such as those following a stroke.
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