What is the semitendinosus muscle?

Rick Olderman

Physical Therapy

The semitendinosus is a hamstring muscle that originates at the pelvis and inserts on the medial surface of the body of the tibia. It flexes and medially rotates the knee and can assist with medical rotation of the hip.

More About this Book

Fixing You: Hip & Knee Pain: Self-treatment for IT band friction, arthritis, groin pain, bursitis, knee pain, PFS, AKPS, and other diagnoses

Hip and knee pain are often a result of poor pelvic muscle performance in combination with poor walking habits. This combination creates tracking problems in the hip socket or excessive rotation at...

Continue Learning about Parts of the Muscular System

Dr. Mike Clark, DPT

Located on the rear part of the shoulder, the posterior deltoid muscle runs from the insertion o...

Rick Olderman

On the front of the hip is the tensor fascia lata (TFL), a relatively small but important muscle tha...

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.

Parts of the Muscular System

Your skeletal, smooth and cardiac muscles work together to keep your body running like a machine. Within this muscular system there are various parts, from muscle fibers to ligaments. You may know about hamstrings, quadriceps and abdominal muscles, but there hundreds of muscles that move within your body. Some are involuntary, like parts of your digestive system, while you control others whenever you go for a walk or lift weights.

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