Image result for semitendinosus
Image result for semitendinosus

Origin: The upper inner quadrant of posterior surface of tuberosity of the ischium

Insertion: The upper medial shaft of the tibia below gracllis. Inserts medially and effects medial leg rotation.

Action(s): Extends thigh at hip. Flexes leg at the knee and medially rotates the leg if the knees are flexed. (Two joint muscle - hip and knee).


-Some exercises to strengthen the semitendinosus include:
  1. Seated Leg Curl
  2. Dumbbell Lunge
  3. Lying Leg Curl
  4. Barbell Stiff Leg Deadlift


-Stretching, icing, and rest helps in the rehabilitation of the Semitendinosus. Some stretches include:
  1. Sitting hamstring strecth
  2. Standing hamstring stretch

Interesting/Fun Facts:

-The semitendinosus along with the other two hamstring muscles provide a braking system that keeps your body from falling forward when standing upright.