Npte - Msk - Sacral Plexus

Front 1

Superior Gluteal Nerve

Back 1

• L4, L5, S1
  
• Glute minimus, glute medius, and TFL

Front 2

Inferior Gluteal Nerve

Back 2

• L5, S1, S2
• Glute max

Front 3

Sciatic Nerve

Back 3

• L4, L5, S1, S2, S3
  
• Hamstring (tibial portion, except for short head of biceps femoris from the common fibular), hamstring portion of adductor magnus (tibial)

Front 4

Tibial Nerve

Back 4

• L4, L5, S1, S2, S3

• Posterior compartment of leg, deep (popliteus, FHL, FDL, tib post.) and superficial (plantaris, soleus, gastroc); Some foot intrinsics

Front 5

Deep Fibular Nerve

Back 5

• L4, L5
  
• Anterior compartment (Tib ant, EDL, EHL, fib tertius); Some foot intrinsics

Front 6

Superficial Fibular Nerve

Back 6

• L4, L5, S1
  
• Lateral compartment (Fib longus/brevis)

Front 7

Back 7

• Posterior Femoral Cutaneous Nerve
  
• S1, S2, S3 via greater sciatic foramen
• Partially innervates skin of the perineum

Front 8

Pudendal Nerve

Back 8

• S2, S3, S4
• Skeletal muscles of perineum, external urethral sphincter, external anal sphincter, levator ani
• Sensation of penis/clitoris, skin of perineum

Front 9

Back 9

• Sural nerve, a conjoining of collateral of the tibial and common fibular nerve shortly after branching from the sciatic
• S1, S2

Front 10

Back 10

• Medial Calcaneal Branches of the tibial nerve
• S1, S2
• Arise within the tarsal tunnel

Front 11

Back 11

• Lateral Plantar Nerve, a branch of the tibial nerve
  
• S1, S2

Front 12

Back 12

• Medial Plantar Nerve, a branch of the tibial nerve
  
• L4, L5
  

Front 13

Back 13

• Deep Fibular Nerve
  
• L4, L5

Front 14

Back 14

• Superficial Fibular Nerve
• L4, L5, S1

Front 15

Back 15

• Lateral Sural Nerve
• L4, L5, S1, S2