Sacral Plexus

Question 1

Superior Gluteal O/D

Answer 1

O: L4-S1
D: mm: glute med/min + TFL

Question 2

Nerve to Quadratus femoris/inferior gamellus O/D

Answer 2

O: L4-S1
D: mm: Quadratus femorus/inferior gamellus

Question 3

Common Fibular O/D

Answer 3

O: L4-S2
D: Superficial fibular/Deep fibular nerve

Question 4

Superficial Fibular O/D

Answer 4

O: L4-S2
D: mm: fib long/brevis
Skin: lateral leg, ant leg, dorsum foot

Question 5

Deep Fibular O/D

Answer 5

O: L4-S2
D: mm: ant compartment, EDB, EHB
Skin: Dorsal surface digits 1-2

Question 6

Tibial O/D

Answer 6

O: L4-S3
D: Lateral plantar and medial plantar

Question 7

Lateral Plantar O/D

Answer 7

O: L4-S3
D: mm: all other foot mm
skin: medial plantar surface, lateral plantar surface

Question 8

Medial Plantar O/D

Answer 8

O: L4-S3
D: mm: AbH, FDB, FHB

Question 9

Sciatic Nerve O/D

Answer 9

O: L4-S3
D: mm: hamstrings/adductor magnus

tibial/common fib bound together and branch at knee

Question 10

Inferior Gluteal O/D

Answer 10

O: L5-S2
D: mm: Glute max

Question 11

Nerve to Obturator Internus + superior gamellus O/D

Answer 11

O: L5-S2
D: Obturator internus/superior gamellus

Question 12

Nerve to Piriformis O/D

Answer 12

O: S1-S2
D: mm: Piriformis

Question 13

Posterior Cutaneous Nerve of Thigh O/D

Answer 13

O: S1-S3
D: skin: post thigh, inf glutes, sup calves

Question 14

Perforating Cutaneous O/D

Answer 14

O: S2-S3
D: Skin: inf/middle buttock

Question 15

Pudendal O/D

Answer 15

O: S2-S4
D: Skin: Genitals