The plantaris muscle is a small, vestigial structure located in the posterior compartment of the leg, often noted for its slender muscle belly and long tendon. Recent anatomical investigations have ...

The masseter muscle is a facial muscle that plays a major role in the chewing of solid foods. The muscle is shaped like a parallelogram, connecting to your mandible (lower jawbone) and your cheekbone.

The opponens pollicis muscle is a triangular-shaped muscle in the hand. It is found on and below the thumb. This muscle rotates and flexes the thumb, which enables cupping of the palm. It is one of ...