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The femoral nerve is the major nerve supplying the anterior compartment of the thigh. It is the largest branch of the lumbar plexus, and arises from the dorsal divisions of the ventral rami of the second, third, and fourth lumbar nerves (L2, L3, and L4).
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 ...
Cutaneous innervation of the lower limbs is the nerve supply to areas of the skin of the lower limbs (including the feet) which are supplied by specific cutaneous nerves. Modern texts are in agreement about which areas of the skin are served by which nerves , but there are minor variations in some of the details.
It is a fine network of communicating nerve fibres. [2] It is formed by the anterior division of lateral femoral cutaneous nerve, terminal branches of the intermediate femoral cutaneous nerve, terminal branches of the medial femoral cutaneous nerve, and the infrapatellar branch of saphenous nerve. [1] [2]
At the lower border of the adductor brevis muscle, the cutaneous branch of anterior division of the obturator nerve communicates with the anterior (medial), cutaneous and saphenous branches of the femoral nerve, forming a kind of plexus. It then descends upon the femoral artery, to which it is finally distributed.
The common fibular nerve is the smaller terminal branch of the sciatic nerve. The common fibular nerve has root values of L4, L5, S1, and S2. It arises from the superior angle of the popliteal fossa and extends to the lateral angle of the popliteal fossa, along the medial border of the biceps femoris.
The lateral cutaneous nerve of the thigh may have multiple branches. [1] Its position with relation to the ASIS can be very variable. [3] It may partially pass through sartorius muscle rather than over its surface. [1] It may be absent, and the sensory supply replaced by branches of the femoral nerve and the ilioinguinal nerve. [1]
Nerve to pectineus - This nerve arises from the femoral nerve just above the inguinal ligament. It passes behind the femoral sheath to reach the anterior surface of the pectineus muscle. [2] Femoral sheath encloses the upper 4 cm of the femoral vessels. Its contents are shown below (from lateral to medial): Femoral branch of the genitofemoral ...