This patient has a sensory level to pinprick below the umbilicus. Sensory levels occur due to lesions involving the spinal cord. Interruption of sensory pathways of the spinal cord produce sensory loss below the dermatomal level of the lesion. A sensory level is often associated with other signs of spinal cord dysfunction or myelopathy such as paraparesis or quadriparesis and autonomic dysfunction such as bowel, bladder and sexual dysfunction.