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。
2
The absence of kneejerks should suggest the diagnosis.