Csongradi J, Bleck E, Ford W F
Dev Med Child Neurol. 1979 Dec;21(6):738-48. doi: 10.1111/j.1469-8749.1979.tb01695.x.
Telemetered gait electromyography was used to investigate gait patterns and the phasic behavior of the quadriceps femoris and medial hamstring muscles in 26 normal children and 32 children with spastic cerebral palsy. The average child with spastic cerebral palsy was found to have a shorter stance phase than the normal, but the cadence, while more variable, was nearly the same as normal. The spastic muscles typically exhibited prolonged phasic activity or a dysphasic pattern. Most of the patients with spastic hamstrings also had spastic quadriceps, suggesting that over-weakening the hamstrings may produce an unwanted genu recurvatum or hyperextended knee gait. Care must be taken to balance hamstring spasticity with quadriceps spasticity. A final result with slight knee flexion is preferable to hyperextension.
采用遥测步态肌电图研究了26名正常儿童和32名痉挛型脑瘫儿童的步态模式以及股四头肌和腘绳肌内侧的相位行为。发现痉挛型脑瘫儿童的平均站立期比正常儿童短，但步频虽然变化较大，但与正常儿童几乎相同。痉挛肌肉通常表现出延长的相位活动或相位异常模式。大多数腘绳肌痉挛的患者也有股四头肌痉挛，这表明过度削弱腘绳肌可能会导致不必要的膝反张或膝关节过度伸展步态。必须注意平衡腘绳肌痉挛和股四头肌痉挛。最终结果为轻微膝关节屈曲优于过度伸展。
