REVIEW OF THE LUMBOSACRAL PLEXUS 11242020 SCNM ANAT

REVIEW OF THE LUMBOSACRAL PLEXUS 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 1

TWO PLEXI • LUMBAR PLEXUS – ANTERIOR PRIMARY RAMI OF L 1 -L 5 • SACRAL PLEXUS – ANTERIOR PRIMARY RAMI OF L 4 -S 4 • LUMBOSACRAL TR. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 2

LUMBAR PLEXUS • ROOT – – SUBCOSTAL ILIOHYPOGASTRIC ILIOINGUINAL GENITOFEMORAL • ANTERIOR DIV. – ACC. OBTURATOR – OBTURATOR 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 3

LUMBAR PLEXUS • ROOT • ANTERIOR DIV. • POSTERIOR DIV. – LAT. FEMORAL CUTANEOUS – FEMORAL • LUMBOSACRAL TRUNK 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 4

SACRAL PLEXUS • ANTERIOR DIV. – – – TIBIAL N. (SCIATIC) QUAD. FEM. N. OBTUR. INT. N. PUDENEAL N. LEVAT. ANI & COCCYGEUS NN. – 1/2 POST. FEM. CUTANEOUS 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 5

SACRAL PLEXUS • ANTERIOR DIV. • POSTERIOR DIV. – COMMON PERONEAL (SCIATIC) – SUP. GLUTEAL N. – INF. GLUTEAL N. – PIRIFORMIS N. – 1/2 POST. FEM. CUTANEOUS N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 6

GLUTEAL REGION: • • SUP. GLUTEAL N. INF. GLUTEAL N. PIRIFORMIS N. OBTURATOR INTERNUS N. • QUADRATUS FEMORIS N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 7

THE THIGH 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 8

ANT. COMPARTMENT • MOTOR – FEMORAL NERVE – EXCEPTIONS: • PECTINEUS: • SENSORY – ANT. CUTANEOUS NN. – LAT. FEMORAL CUT. N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 9

MED. COMPARTMENT • MOTOR – OBTURATOR NERVE – EXCEPTIONS • PECTINEUS • ADDUCTOR MAGNUS • SENSORY – OBTURATOR NERVE 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 10

POST. COMPARTMENT • MOTOR – TIBIAL DIVISION OF SCIATIC – EXCEPTION • BICEPS FEMORIS • ADDUCTOR MAGNUS • SENSORY – POST. FEMORAL CUTANEOUS N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 11

THE LEG 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 12

ANT. COMPARTMENT • MOTOR – DEEP PERONEAL N. • SENSORY – SAPHENOUS N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 13

LAT. COMPARTMENT • MOTOR – SUPF. PERONEAL N. • SENSORY – LAT. SURAL CUT. N. – SURAL NERVE • MED. SURAL CUT. N. • COM. PERONEAL N. – SUPF. PERONEAL N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 14

POST. COMPARTMENT • MOTOR – TIBIAL NERVE • SENSORY – SURAL NERVE 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 15

THE FOOT 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 16

DORSUM • MOTOR: – DEEP PERONEAL N. • SENSORY: – SUPF. PERONEAL N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 17

PLANTAR COMPARTMENT • MOTOR: – LAT. PLANTAR N. – EXCEPT • • ABD. HALLUCIS FLEX. DIG. BR. FLEX. HALLUCIS BR. MEDIAL LUMBRICAL (1 ST) – EXCEPTIONS--MED. PLANTAR N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 18

CUTANEOUS, ANT. • • • ANT. CUTANEOUS LAT. FEM. CUT. OBTURATOR SAPHENOUS LAT. SURAL CUT. SURAL – MED. SURAL CUT. – COM. PERONEAL • SUPF. PERONEAL 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 19

CUTANEOUS, POST. • POST. FEMORAL CUTANEOUS N. • SURAL NERVE 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 20

PLANTAR COMPARTMENT • SENSORY: – TIBIAL N. – LAT. PLANTAR N – MED. PLANTAR N. 11/24/2020 SCNM, ANAT 604, Review of the Lumbosacral Plexus 21