Caudal Hip Muscles, Pelvic Limb – 4 Muscle 50. Internal obterator (tendon only) 51. Gemelli (2 muscles fused)
52. Quadratus femoris
Origin Pelvic symphysis & dorsal surface of ischium & pubis lateral surface of ischium (caudal to acetabulum & ventral to lesser ischiatic notch) Ventral surface of ischium (caudal part)
53. External ventral surface of obterator ischium & pubis ** Sacrotuberous ligament
Insertion femoral trochanteric fossa trochanteric fossa
Action
Innerve . lateral hip Sciatic rotation n. lateral hip Sciatic rotation n.
intertrochanteri extend c crest hip, lateral hip rotation trochanteric lateral hip fossa rotation
Sciatic n. Obterat or n.
50
52
CrMV 51
52 ** 53