Adductor longus (r, I), a muscle of the adductor group
in the medial compartment of the thigh, is the most superficial of the three
adductors; it is a triangular muscle, lying in the same plane as the pectineus.
Origin: Front of the pubis, at the angle of junction of the
crest with the symphysis
Insertion: Linea aspera, between the vastus medialis
and the adductor magnus
Innervation: Obturator nerve (L03, LO4), and branch
from sciatic
Action: Adducts the thigh powerfully; rotates the thigh medially
Blood supply: Deep femoral artery
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