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.
Causes of Foot Drop Video. Foot drop can be caused by stroke, tumor, or Parkinson's disease, but it can also develop from an issue in the spine. There are many conditions which can affect the peroneal nerve that controls the foot's ability to flex properly. 1  Tweet. 2  Print.