Home / Anatomy / Muscles – Lower Leg Muscles – Lower Leg May 16, 2015 Anatomy Yellow = gastrocnemius | Red = biceps femoris | Blue = semitendinosis Tweet Pin It About The Author anatomycorner Anatomycorner is a branch of biologycorner.com focused on dissections and body systems. Related Posts 0 Ulna and Humerus 0 Radius and Ulna 0 Muscles of the Leg (Human) 0 Radial Notch of the Ulna Tags:biceps, femoris, gastrocnemius, leg, muscles, semitendinosis