Swainson's hawk. Swainson's hawk (Buteo swainsoni), is a large Buteo hawk of the Falconiformes, sometimes separated in the Accipitriformes like its relatives. This species was named after William Swainson, a British naturalist.
The peroneal nerve controls the muscles that lift your foot. This nerve runs near the surface of your skin on the side of your knee closest to your hand. Activities that compress this nerve can increase your risk of foot drop. Crossing your legs. People who habitually cross their legs can compress the peroneal nerve on their uppermost leg.
Various forms of muscular dystrophy, an inherited disease that causes progressive muscle weakness, can contribute to foot drop. So can other disorders, such as polio or Charcot-Marie-Tooth disease. Brain and spinal cord disorders. Disorders that affect the spinal cord or brain â such as amyotrophic lateral sclerosis (ALS), multiple sclerosis or stroke â may cause foot drop. Risk factors. The peroneal nerve controls the muscles that lift your foot. This nerve runs near the surface of your skin on the side of your knee closest to your hand. Activities that compress this nerve can increase your risk of foot drop. Examples include: Crossing your legs.