- Peripheral Nervous System—Lower Extremity 61
Ventral rami Pelvis, gluteal region, & hip Thigh Leg Foot
Genitofemoral nerve (genital branch - cremaster muscle)
(femoral branch - sensory only)
Obturator nerve
Femoral nerve
Pudendal nerve (perineum and external genitalia)
Sciatic nerve
Peroneal nerve
Tibial nerve
L4 - S2
L4 - S3
L1 - L2
L2 - L3
L2 - L4
L4 - S1
L5 - S2
L4 - S3
L1
S1 - S3
S4 & S2/S3
Posterior cutaneous nerve of the thigh
Superior gluteal nerve (gluteus med. & min., and tensor fasc. lat. m.)
Short rotators of the hip
Inferior gluteal nerve (gluteus maximus muscle)
Ilioinguinal nerve
Iliohypogastric nerve
(Internal oblique and transversus abdominus muscles)
S4 Nerves to levator ani, coccygeus, and sphincter ani externus
S2 - S3 Pelvic splanchnic nervesPerforating cutaneous nerve
Lateral cutaneous nerve of the thigh
DRAWING 4-2 Lumbosacral Plexus — Complete