Elangovan Naveen, Yeh I-Ling, Holst-Wolf Jessica, Konczak Jurgen
IEEE Int Conf Rehabil Robot. 2019 Jun;2019:660-664. doi: 10.1109/ICORR.2019.8779409.
Proprioceptive deficits are common among stroke survivors and are associated with slower motor recovery, poorer upper limb motor function, and decreased self-care ability. Somatosensory feedback augmenting proprioception should enhance motor control after stroke, but available evidence is inconclusive. This study evaluated the effects of a robot-aided, somatosensory-focused training on proprioceptive acuity and motor performance in individuals with sub-acute and chronic stroke. Twelve stroke survivors completed two training sessions on two consecutive days. During training, participants used a haptic robotic wrist exoskeleton and made continuous, goal-directed wrist ab/adduction movements to a visual target while receiving vibro-tactile feedback. Proprioceptive acuity and active movement errors were assessed before, immediately after, and two days after intervention. Results showed significantly improved proprioceptive acuity at posttest and retention. Motor accuracy measures showed improvements, however these were not statistically significant. This study demonstrates the feasibility of robot-aided somatosensory rehabilitation training in stroke survivors.
本体感觉缺陷在中风幸存者中很常见，并且与运动恢复较慢、上肢运动功能较差以及自我护理能力下降有关。增强本体感觉的体感反馈应能改善中风后的运动控制，但现有证据尚无定论。本研究评估了以体感为重点的机器人辅助训练对亚急性和慢性中风患者本体感觉敏锐度和运动表现的影响。12名中风幸存者连续两天完成了两次训练课程。在训练过程中，参与者使用触觉机器人手腕外骨骼，在接受振动触觉反馈的同时，朝着视觉目标进行连续的、有目标导向的手腕外展/内收运动。在干预前、干预后立即以及干预后两天评估本体感觉敏锐度和主动运动误差。结果显示，在测试后和保持期，本体感觉敏锐度显著提高。运动准确性指标有所改善，但无统计学意义。本研究证明了机器人辅助体感康复训练在中风幸存者中的可行性。
