Magnus Innervation | Adductor

Works with the hamstrings to extend the hip . It is particularly active as a hip extensor when the hip is already flexed, such as during the bottom of a deep squat.

The adductor magnus is dually innervated: adductor magnus innervation

Because the adductor magnus receives fibers from both the lumbar plexus (via the obturator nerve) and the sacral plexus (via the tibial nerve), it acts as a bridge between the medial and posterior compartments of the thigh. Works with the hamstrings to extend the hip