Overview
It lies medial to the semitendinosus and divides into two bellies, one to the femur and one to the tibia.
Origin
Ischiatic tuberosity (tuber ischiadicum) and ramus of the ischium.
Insertion
- Cranial belly: medial epicondyle of the femur.
- Caudal belly: medial condyle of the tibia.
Action
Extends the hip and adducts the limb; depending on the position of the stifle it helps extend or flex it.
Innervation
Sciatic nerve (n. ischiadicus).