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首页> 外文期刊>Gait & posture >Biomechanical and electromyographic evaluation of ankle foot orthosis and dynamic ankle foot orthosis in spastic cerebral palsy.
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Biomechanical and electromyographic evaluation of ankle foot orthosis and dynamic ankle foot orthosis in spastic cerebral palsy.

机译：痉挛性脑瘫的踝足矫形器和动态踝足矫形器的生物力学和肌电图评估。

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This study evaluated the biomechanical and electromyographic effects of conventional ankle foot orthoses (AFOs) and dynamic ankle foot orthoses (DAFOs) on gait in patients with spastic cerebral palsy (CP). Thirteen patients with dynamic equinus underwent motion analysis with electromyography. Both AFOs and DAFOs provided longer stride length, permitted pre-positioning for initial contact, and successfully controlled the excessive plantarflexion during the swing phase. Median frequency (MF) of EMG signal indicated that extremely high firing was found in the patient's lower limbs compared to controls that resulted in tiredness. The DAFOs allowed a significantly larger total ankle range of motion than the AFOs. However, AFOs significantly reduced the MF while DAFOs did not. The reduced MF seen when wearing AFOs suggested an improvement of walking endurance. The DAFO had the advantage of less restriction on ankle movement, which avoids muscular atrophy and improves orthotic compliance.
机译：这项研究评估了常规踝足矫形器（AFO）和动态踝足矫形器（DAFO）对痉挛性脑瘫（CP）患者步态的生物力学和肌电图作用。 13例动态马蹄肌患者进行了肌电图运动分析。 AFO和DAFO都提供了较长的步幅，允许预先放置以进行初始接触，并成功地控制了挥杆阶段的过度plant屈。 EMG信号的中频（MF）表明，与导致疲倦的对照组相比，患者的下肢有极高的放电率。 DAFO比AFO允许更大的总踝关节运动范围。但是，AFO大大降低了MF，而DAFO却没有。佩戴AFO时看到的MF降低表明步行耐力得到改善。 DAFO的优点是减少了对脚踝运动的限制，从而避免了肌肉萎缩并改善了矫形器的顺应性。

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