Source 3 major muscle muscles such as legs superficial muscles and deep muscles Inner Body, 2017 Source Source https://www.innerbody.com/anatomy/muscular/leg-foot https://www.innerbody.com/anatomy/muscular/leg-foot 3 major muscle https://www.innerbody.com/anatomy/muscular/leg-foot https://www.innerbody.com/anatomy/muscular/leg-foot