Hamstring Anatomy

The hamstrings are a group of muscles and their tendons at the rear of the upper leg. They include the biceps femoris semitendinosus and semimembranosus.

Hamstring Injury Symptoms Recovery Treatment

There are two hamstrings on the medial inner side of the back of the thigh and one on the lateral outer side.

Hamstring anatomy. The hamstrings are comprised of three separate muscles. The common criteria of any hamstring muscles are. Usually a bit of midmuscle discomfort on the back of the thigh wont cause problems.

Muscle will participate in flexion of the knee. Anatomy of the hamstring muscles. What muscles are part of the hamstrings.

The lateral hamstring is the biceps femoris made up of 2 parts a short head and long head and the medial hamstrings are the semitendinosus joins the sartorius muscle and gracilis muscle at the pes anserinus on the tibia and the semimembranosus the largest hamstring muscle. They are used in walking and running. The semimembranosus is a long muscle at the back of the thigh.

These muscles originate just underneath the gluteus maximus on the pelvic bone and attach on the tibia. Definition of the hamstring muscles. Muscles should originate from ischial tuberosity.

All three attach by long tendons crossing the back of the knee to the lower leg. The hamstrings flex the knee joint adduct the leg and extend the thigh to the backside of the body. The biceps femoris semitendinosus and semimembranosus.

It allows your knee to flex and rotate and your hip to extend. The semitendinosus muscle is located between the semimembranosus. Muscles should be inserted over the knee joint in the tibia or in the fibula.

Muscles will be innervated by the tibial branch of the sciatic nerve.

Hamstring Strain Physical Therapy Guide To Evaluation