The adductor muscles refer to five muscles which are pectineus , gracilis, adductor longus, adductor brevis, and adductor Magnus. pectineus is flat muscle, which is quadrangular in shape and positioned anteriorly in the thigh. it is also sometimes referred to as a most anterior adductor of the hip. Origin of Pectineus Pectineus originates from a pectineal line of the pubis. Insertion Origin of Pectineus Pectineus is inserted on inferior from lesser trochanter to linea aspera. Action Origin of Pectineus Pectineus is responsible for adduction, flexion & medial rotation thigh . Nerve Supply Pectineus is supplied by Femoral & obturator nerve combined. Arterial Supply Pectineus muscle is blood supplied by Medial circumflex femoral branch of the femoral artery and obturator artery.