Lumbosacral and Coccygeal Plexuses Anatomy
Intercostal nerve (T11), Subcostal nerve (T12), Ilioinguinal nerve (L1), Iliohypogastric
nerve (T12, L1), To psoas major and psoas minor muscles, Genitofemoral nerve
(L1, 2), Lateral femoral cutaneous nerve (L2, 3), Genital branch (L1) and Femoral
branch (L2) of genitofemoral nerve, To psoas major and iliacus muscles, Anterior
branches and, Lateral branches of subcostal and iliohypogastric nerves, Lumbosacral
trunk, Nerve to quadratus femoris (and inferior gemellus) muscles (L4, 5, S1),
Nerve
to obturator internus (and superior gemellus) muscles (L5, S1, 2), Superior
gluteal nerve (L4, 5, S1), Nerve to piriformis muscle (S1, 2), Obturator nerve
(L2, 3, 4), Accessory obturator nerve (L3, 4) (inconstant), Inferior gluteal
nerve (L5, S1, 2), Femoral nerve (L2, 3, 4), Sciatic nerve, Posterior femoral cutaneous
nerve (S1, 2, 3), Pudendal nerve (S2, 3, 4), Common fibular nerve (L4, 5, S1,
2), Tibial nerve (L4, 5, S1, 2, 3), Sciatic nerve, Posterior femoral cutaneous
nerve Perineal nerve and posterior scrotal/posterior labial nerves, Anterior
division, Posterior division, Sympathetic trunk, Rami communicantes, Lumbar
plexus, Sacral plexus, Coccygeal plexus, Pelvic splanchnic nerves
(parasympathetics), Perforating cutaneous nerve (S2, 3), Nerve to levator ani and
coccygeus muscles (S3, 4), Perineal branch of 4th sacral nerve, Anococcygeal
nerves, Obturator nerve, Inferior anal (rectal) nerve, Dorsal nerve of
penis/clitoris.
