It originates from the ischial tuberosity with a tendon common to the long head of the biceps femoris and ends on the medial side of the tibia. Distally it joins its tendon anteriorly with that of the sartorius and laterally with that of the gracilis, constituting the superficial goose paw.
It is related to the gluteus maximus and the femoral fascia posteriorly, large adductor and anterior semimembranosus.
With his action he flexes and rotates his leg (with a flexed knee); extends and adducts the thigh.
Together with the semimembranosus and the long head of the biceps femoris constitutes the muscular group called ischiocrurali. These three muscles divide: origin (ischial tuberosity), innervation (tibial nerve), biarticularity and function (leg flexor and extensor of the thigh).
It is innervated by the tibial nerve (L4-S1)
| ORIGIN Ischial tuberosity |  |
| INSERTION Upper part of the medial aspect of the tibia | |
| ACTION Extends and adducts the thigh; the leg flexes and rotates internally (knee bent) | |
| INNERVATION TIBIAL NERVE (L4-S1) |
| Upper limb | Lower limb | Trunk | Abdomen | Articles |
