CHAPTER 53 HANDOUT Flashcards
lumbar plexus nerves
femoral nerve
-ventral rami:
-_____, _____, _____ division of _____
key features
- it emerges lateral to the _____ muscle
- supplies _____ muscles
- gives off _____ nerve that supplies _____ and _____
L2 L3 upper L4 psoas major anterior saphenous nerve medial leg foot
lumbar plexus nerves obturator nerve ventral rami: -\_\_\_\_\_, \_\_\_\_\_, \_\_\_\_\_ division of \_\_\_\_\_ -primarily supplies the \_\_\_\_\_
L2 L3 upper L4 medial thigh
sacral plexus nerves
sciatic nerve
-ventral rami:
-_____ division of _____, _____, _____, _____, _____
key features:
- _____ nerve in the body
- two branches: _____ and _____ (_____)
- tibial supplies all _____ leg muscles
- deep fibular supplies _____ leg muscles
- superficial fibular supplies _____ leg muscles
lower L4 L5 S1 S2 S3 largest tibial nerve common fibular (peroneal) nerve posterior anterior lateral
sacral plexus nerves
superior gluteal nerve
-ventral rami:
-_____ division of _____, _____, _____
key features
-innervates muscle _____, _____, and _____
lower L4 L5 S1 gluteus medius gluteus minimus TFL tensor fasciae latae
sacral plexus nerves
inferior gluteal nerve
-ventral rami:
-_____-_____
key features
-innervates the _____ muscle
L5-S2
gluteus maximus
sacral plexus nerves
nerve to quadratus femoris and inferior Gemellus
-ventral rami:
-_____ division of _____, _____, _____
lower
L4
L5
S1
sacral plexus nerves
nerve to obturator internus and superior gemellus
-ventral rami:
-_____, _____, _____
L5
S1
S2
sacral plexus nerves
nerve to piriformis
-ventral rami:
-_____
S2
lumbar sacral plexus
PFC: posterior femoral cutaneous nerve
-ventral rami:
-_____-_____
-supplies skin of the _____
S1-S3
posterior thigh
lumbar sacral plexus pudendal nerve -ventral rami: -\_\_\_\_\_, \_\_\_\_\_, \_\_\_\_\_ -supplies \_\_\_\_\_, lower \_\_\_\_\_
S2 S3 S4 genitalia rectum
lumbar plexus
- found on _____ wall, derived from ventral rami _____ _____ division
- generally speaking, supplies _____, _____, and _____
posterior abdominal L1-L4 upper lateral anterior medial thigh
sacral plexus
- found on _____ wall, derived from ventral rami _____
- generally speaking supplies _____ region, _____, the _____ and _____
lateral pelvis L4 lower-S4 gluteal posterior thigh leg foot
