Adductor Magnus
by Dr. Gary Farr on 27 June 2002
1
Origin Inferior pubic ramus, ischial ramus, and inferolateral area of ischial tuberosity Insertion Gluteal tuberosity of femur, medial lip of linea aspera, medial supracondylar ridge, and adductor tubercle Action Powerful thigh adductor; superior horizontal fibers also help flex the thigh, while vertical fibers help extend the thigh Innervation Posterior division of obturator nerve innervates most of the adductor magnus; vertical or hamstring portion innervated by tibial nerve Arterial
SupplyMedial circumflex femoral artery, inferior gluteal artery, 1st - 4th perforating arteries, obturator artery, and some superior muscular branches of popliteal artery
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