Segmental Nerves of Trunk, Back, Lower Extremity Flashcards
Intercostals
T1-T6
Rectus abdominus
T7-T12 (ventral rami)
External obliques
T7-T12 (ventral rami)
Internal obliques
T7-T12 (ventral rami)
Transverse abdominus
T7-T12 (ventral rami)
Quadratus lumborum
T12, L1-L4
Iliacus
L1-L4 (femoral)
Psoas major
L2-L4
Adductor longus, brevis, and magnus
L2-L4 (obturator)
Gracilis
L2, L3 (obturator)
Pectineus
L2-L4 (femoral and obturator)
Quadriceps (rectus femoris, vastus lateralis, vastus medialis, vastus intermedius)
L2-L4 (femoral)
Sartorius
L2, L3 (femoral)
Anterior tibialis
L4 (deep fibular)
Tibialis posterior
L4, L5 (tibial)
Tensor fasciae latae
L4, L5 (superior gluteal)
Obturator externus
L4-L5
Gemellus inferior
L4-L5, S1
Quadratus femoris
L4-L5, S1
Popliteus
L4-L5, S1 (tibial)
Obturator internus
L5, S1-S2
Gemellus superior
L5, S1-S2
Extensor digitorum longus
L5
Extensor hallucis longus and brevis
L5, S1