Which statement best describes the medial compament of the thigh?
a. All three adductor muscles inse onto the linea aspera. The hamstring poion of adductor magnus inses on the adductor tubercle above the medial femoral epicondyle. b. Pectineus is a muscle of the medial compament but is innervated by the femoral nerve. Its action is flexion and adduction of the thigh at the hip. c. All muscles of the medial compament take origin from the pubic bone. They are the three adductors, pectineus, obturator externus and gracilis. d. The obturator nerve splits into anterior and posterior divisions which are separated by adductor brevis. The obturator nerve is formed from the anterior divisions of the anterior primary rami of L2-L4.
Adductor magnus, longus and brevis inse onto the linea aspera.
All the muscles of the medial compament are innervated by the obturator nerve.
All the muscles of the medial compament take origin from the ischium.
The obturator nerve is split into anterior and posterior divisions by adductor longus.
Muscles of Lower Limb