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The nerve is also responsible for the motor innervation of the adductor muscles of the lower limb (external obturator, [4] adductor longus, adductor brevis, adductor magnus, gracilis) and the pectineus (inconstant). It is, notably, not responsible for the innervation of the obturator internus, despite the similarity in name. [5]
The posterior branch of the obturator nerve pierces the anterior part of the obturator externus, and supplies this muscle; it then passes behind the adductor brevis on the front of the adductor magnus, where it divides into numerous muscular branches which are distributed to the adductor magnus and the adductor brevis. [1]
The anterior branch of the obturator nerve is a branch of the obturator nerve found in the pelvis and leg. [1]It leaves the pelvis in front of the obturator externus and descends anterior to the adductor brevis, and posterior to the pectineus and adductor longus; at the lower border of the latter muscle it communicates with the anterior cutaneous and saphenous branches of the femoral nerve ...
As part of the medial compartment of the thigh, the adductor longus is innervated by the anterior division (sometimes the posterior division) of the obturator nerve. [1] The obturator nerve exits via the anterior rami of the spinal cord from L2, L3, and L4. [2] [failed verification]
By its posterior surface with the adductor magnus and the posterior branches of the obturator artery, the obturator vein, and the obturator nerve. By its outer border with the obturator externus, and the iliopsoas. By its inner border with the gracilis and adductor magnus. It is pierced near its insertion by the middle perforating artery. [3]
The pectineus is the only adductor muscle that is innervated by the femoral nerve. The other adductor muscles are innervated by the obturator nerve [1] with the exception of a small part of the adductor magnus which is innervated by the tibial nerve. [4]
The knee joint is supplied by branches from femoral nerve, sciatic nerve, and obturator nerve because all the three nerves are supplying the muscles moving the joint. These nerves not only innervate the muscles, but also the fibrous capsule, ligaments, and synovial membrane of the knee joint. [7]
When present it emerges from beneath the distal/inferior border of the adductor longus muscle and descends along the posterior margin of the sartorius muscle to [1] the medial side of [citation needed] the knee where it pierces the deep fascia and communicates with the saphenous nerve. When present, it provides sensory innervation to the skin ...