UE Peripheral nerves Flashcards
Obturator N Segmental Level
L2, L3, L4
Obturator N Sensory Location
Medial thigh, especially distal
Obturator N Motor
Adductor longus, adductor brevis, adductor magnus, gracilis, obturator externus
Saphenous N Segmental Level
L2, L3, L4
Saphenous N Sensory Location
Medial leg & foot
Saphenous N Motor
No motor
Femoral N Segmental Level
L2, L3, L4
Femoral N Sensory Location
Thigh via cutaneous nerves, mostly medial anterior
Femoral N Motor
Iliacus, sartorius, quadriceps femoris, pectineus
Lateral cutaneous of thigh Segmental Level
L2, L3
Lateral cutaneous of thigh Sensory Location
lateral thigh
Lateral cutaneous of thigh Motor
No motor
Posterior cutaneous of thigh Segmental Level
S2, S3
Posterior cutaneous of thigh Sensory Location
Posterior thigh
Posterior cutaneous of thigh Motor
No motor
Sciatic N Segmental Level
L4, L5, S1, S2, S3
Sciatic N Sensory Location
Hip joint
Sciatic N Motor
Knee flexors & all muscles of lower leg & foot
Superior gluteal N Segmental Level
L4, L5, S1
Superior gluteal N Sensory Location
No sensory
Superior gluteal Motor
TFL, gluteus medius, gluteus minimus
Inferior gluteal N Segmental Level
L5, S1, S2
Inferior gluteal N Sensory Location
No sensory
Inferior gluteal N Motor
Gluteus maximus
Nerve to quadratus femoris & inferior gemellus Segmental Level
L5, S1, S2
Nerve to quadratus femoris & inferior gemellus Sensory Location
No sensory
Nerve to quadratus femoris & inferior gemellus Motor
quadratus femoris, inferior gemellus
Pudendal Segmental Level
S2, S3, S4
Pudendal Sensory Location
Genitals
Pudendal Motor
Perineal muscles, external urethral sphincter, external anal sphincter
Tibial N Segmental Level
L4, L5, S1, S2, S3
Tibial N Sensory Location
Posterior heel & plantar surface of foot
Tibial N Motor
Semitendinosus, semimembranosus, biceps femoris, adductor magnus, gastrocnemius, soleus, plantaris, FHL, FDL, tibialis posterior
Common fibular N Segmental Level
L4, L5, S1, S2
Common fibular N Sensory Location
Lateral posterior thigh
Common fibular N Motor
Biceps femoris
Sural N Segmental Level
S1, S2
Sural N Sensory Location
Posterior & lateral leg & lateral foot
Sural N Motor
No motor