Anatomy Motor Exam: Spinal Cord Lesions
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Spinal Cord Lesions
Spinal cord lesions often give UMN signs below the level of the lesion (from effect on the corticospinal tract) and LMN signs at the level of the lesion (from effect on the ventral horn or ventral nerve root).
LMN signs are good for locating the level of a spinal cord lesion.