Department of Physical Therapy, Institute of Allied Health, National Cheng Kung University, Tainan, Taiwan.
Arch Phys Med Rehabil. 2012 Jun;93(6):1027-33. doi: 10.1016/j.apmr.2012.01.019. Epub 2012 Apr 13.
To examine the effects of vibration-induced ankle proprioceptive interference on the locomotion of patients with stroke with intact and impaired ankle joint position sense (JPS).
Cross-sectional.
Rehabilitation department in a tertiary hospital.
Ambulatory patients (N=35) with unilateral stroke received an ankle joint repositioning test and were classified into intact (n=16) or impaired (n=19) JPS group.
None.
The plantar sensitivity and leg muscle strength were tested. Patients were instructed to walk at a self-selected pace on a computerized pressure sensor walkway under 3 conditions: no, affected, or unaffected Achilles' tendon vibration. The stride characteristics of the affected limb were analyzed.
Patients with intact and impaired JPS did not differ in their plantar sensitivity or leg muscle strength. The differences in the stride characteristics were nonsignificant between vibration and nonvibration conditions. Shorter single support and longer swing phase were found with the affected side vibration compared with the unaffected side vibration. Patients with intact and impaired JPS did not respond to the proprioceptive interference differently.
After stroke, there could be changes in the central sensory regulation for locomotion control and vibration-induced afferent inputs from the ankle might be viewed as sensory disturbances. Further studies that manipulate other sensory inputs are needed to gain a better understanding of the central sensory integration for locomotion control after stroke.
观察振动诱发的踝关节本体感觉干扰对踝关节位置觉（JPS）完整和受损的脑卒中患者运动的影响。
横断面研究。
三级医院康复科。
接受踝关节重定位测试的单侧脑卒中步行患者（N=35），并分为踝关节位置觉完整（n=16）或受损（n=19）组。
无。
足底感觉和腿部肌肉力量。患者在计算机压力传感器步道上以自我选择的速度行走，在 3 种条件下：无、患侧或非患侧跟腱振动。分析患侧的步幅特征。
踝关节位置觉完整和受损的患者在足底感觉和腿部肌肉力量方面没有差异。在振动和非振动条件下，步幅特征的差异无统计学意义。与非患侧振动相比，患侧振动时单支撑相更短，摆动相更长。踝关节位置觉完整和受损的患者对本体感觉干扰的反应没有差异。
脑卒中后，运动控制的中枢感觉调节可能发生变化，来自踝关节的振动传入可能被视为感觉干扰。需要进一步研究其他感觉输入的影响，以更好地了解脑卒中后运动控制的中枢感觉整合。
