
This illustration is from the back of the leg.
Biceps femoris tendinitis is an overuse disorder of the biceps femoris tendon, leading to pain and tenderness in the hamstrings at the back of the knee.

This illustration is from the back of the leg.
Biceps femoris tendinitis may be accompanied by a distressing snapping sensation.
"Snapping of the biceps femoris tendon is a rare cause of lateral knee pain....Understanding the complex and poorly understood anatomy of the biceps femoris tendon is crucial and essential for proper diagnosis"