1. A small, flat muscle located at the back of the knee that helps bend the knee and rotate the lower leg.
Usage: anatomy; medical

Examples

• The popliteus muscle is essential for knee flexion and internal rotation of the tibia.
• Runners often experience popliteus strain from repetitive knee bending.
• The popliteus is innervated by the tibial nerve.
• Physical therapists may target the popliteus during knee rehabilitation exercises.
• Tightness in the popliteus can contribute to posterior knee pain.