A lesion of the thoracic segment (T1–12) will produce upper motor neuron signs in the lower limbs, presenting as a spastic paraparesis. This is the most common location of the lesion, and therefore most individuals will have weakness in the lower limbs.
A lesion of the thoracic segment (T1–12) will produce upper motor neuron signs in the lower limbs, presenting as a spastic ?paraparesis. This is th?e most common location of the lesion, and therefore :most individuals will have weakness in the lower limbs.