电刺激穴位按摩对局部运动疲劳后姿势控制能力恢复的影响
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教育部人文社科课题(11YJA880037)


Recovery effect of postural control by electrical stimulation acupoint massage after local muscle fatigue
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    摘要:

    目的 从关节力矩、肌电信号、平衡能力以及足底压力分布等指标入手,对踝关节局部运动疲劳后电刺激穴位按摩对姿势控制能力恢复的效果进行评价。方法 总共6人(12人次)在踝关节运动疲劳后正常休息或电刺激穴位按摩两种情况下,进行等速、肌电、足底压力测试。结果 经过电刺激穴位按摩后,①足底受力中心(COF)的前后移走显著降低,足底第1、第2和第4、5趾区的接触面积显著增加到(11.64±2.12)、(6.57±0.97)、(3.72±1.33) cm2。②踝关节90°/s等速运动时,跖屈、背屈总功显著提高到(56.71±13.26)和(19.75±3.79) J。③单脚站立时,胫骨前肌和腓肠肌外侧的肌群均方根(RMS)值下降具有显著性;踝关节90°/s等速运动时,腓肠肌内外侧的RMS值由 (48.95±13.50)和(33.67±6.41) μV显著上升到 (59.87±11.46)和(43.73±4.65) μV。结论 电刺激穴位按摩能够优化踝关节的发力模式,提高踝关节的稳定性,进而提高姿势控制能力,促进运动能力的恢复及避免运动损伤。

    Abstract:

    Objective To evaluate the recovery effect of postural control by electrical stimulation acupoint massage after local muscle fatigue by investigating joint torque, surface electromyography (EMG) signal, balance ability and foot pressure distributions. Methods Six subjects (12 person-times) accepted isokinetic, SEMG and foot pressure test under the condition of normal rest or electrical stimulation acupoint massage after ankle fatigue. Results After electrical stimulation acupoint massage, ①the forward and backward displacement of COF (center of force) was significantly reduced and the contact area of T1, T2 and T4,5 was increased to (11.64±2.12), (6.57±0.97), (3.72±1.33) cm2, respectively. ② In ankle isokinetic test (90°/s), the total work of ankle plantar flexion and dorsiflexion was significantly increased to (56.71±13.26) and (19.75±3.79) J. ③ In right leg stance, RMS (root mean square) of the tibialis anterior and lateral gastrocnemius was decreased significantly; the ankle isokinetic test (90°/s) showed that the RMS of the medial and lateral gastrocnemius was increased from (48.95±13.50) and (33.67±6.41) μV to (59.87±11.46) and (43.73±4.65) μV, respectively. Conclusions Electrical stimulation acupoint massage can optimize the force strategy and improve the stability of the ankle, further improve the postural control ability, promote the recovery of sports ability and avoid sports injuries.

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纪仲秋,李旭龙.电刺激穴位按摩对局部运动疲劳后姿势控制能力恢复的影响[J].医用生物力学,2013,28(3):284-290

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  • 收稿日期:2012-05-10
  • 最后修改日期:2012-08-27
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