On investigation the lower limbs showed an up-per motor neurone type of lesion with complete loss of power, Brisk knee and ankle-jerks, absent abdominal reflexes, and Bilateral extensor plantar response.

• 而下肢有上运动神经元损害,肌力完全丧失,膝反射和踝反射亢进,腹壁反射消失以及双侧跖反射阳性。