Biceps femoris – long head

Where Is the Biceps femoris – long head?

The Biceps femoris is one of the hamstring muscles. It crosses over the back of the leg and attaches to the outer part of the tubia at the top.

All of the hamstrings originate on the pelvis and insert onto the back of the lower leg bones. They cross both the hip joint and the knee joint, serving as extensors of the hip and flexors of the knee.
Hamstring tears to heal slowly and often reoccur.
Some of the poses that are likely to injure this muscle in yoga are the Standing Splits


What are the Symptoms of a Biceps femoris – long head Tear?

The hamstrings are the most commonly injured muscles in the human body.

A sudden pain at the back of the leg can indicate a hamstring strain or tear.
Pain when walking in the back of the leg. This can be when the leg is stepped forward and the muscle is stretched of stepping backwards when the muscle is being engaged.


What is The Function of the Biceps femoris – long head?

Extends the thigh when engaged by pulling it backwards. It stabilizes the leg when walking. Flexes the leg at the knee. Laterally rotates the lower leg when the knee is bent.


Origin and Insertion of Biceps femoris – long head


Ischial tuberosity
Lateral condyle of the tibia.




The 3 hamstring muscles are the semimembranosis, semitendinosis, and the biceps femoris. (With the exception of the short head of the biceps femoris)