Anatomy - Lower Limb Nerves Flashcards
Femoral nerve - roots
L2-L4
Femoral nerve - motor
- Anterior thigh
- Pectineus, iliacus, sartorius
- Extends the knee
- Quadriceps femoris, rectus remoris, vastus femoris, vastus medialis, vastus intermedius
Femoral nerve - sensory
- Anteromedial thigh
- Medial leg
- Medial foot
Obturator nerve - roots
L2-L4
Obturator nerve - motor
- Medial compartment thigh
Obturator - sensory
- Medial thigh
Sciatic - roots
L4-S3
Sciatic - motor
- Posterior thigh
- Hamstring portion adductor magnus
Sciatic - sensory
- None
Superior gluteal - roots
L4 - S1
Inferior gluteal - roots
L5 - S2
Pudendal - roots
S2 - S4
Posterior femoral cutaneous - roots
S1-S3
Genitofemoral nerve - roots
L1-L2
Genitofemoral - motor
Cremasteric muscle
Genitofemoral - sensory
Males - scrotum
Females - mons pubis, labia majora
Pudendal nerve - motor
Skeletal muscles in perineal
External urethral sphicnter
External anal sphincter
Levator ani
Pudundal nerve - sensory
Penis and clitoris
Most skin of perineum
Tibial - roots
L4-S3
Common fibular - roots
L4-S2