Overview
It lies medial to the semitendinosus and divides into two bellies, one to the femur and one to the tibia.
Origin
Ventral part of the ischiatic tuberosity (tuber ischiadicum).
Insertion
- Cranial belly: medial lip of the facies aspera, near the medial condyle of the femur.
- Caudal belly: medial condyle of the tibia.
Action
Extends the hip; depending on the position of the stifle it helps extend or flex it.
Innervation
Sciatic nerve (n. ischiadicus).