Axon Function (Lumbar Plexus)

Question 1

Quadratus lumborum

Muscular branches

Answer 1

function- sensory, postganglionic sympathetic & motor innervation of the quadratus lumborum m.

Question 2

Psoas

Muscular branches

Answer 2

function- sensory, postganglionic sympathetic & motor innervation of the psoas m.

Question 3

Lateral femoral cutaneous n. (L2-3)

Answer 3

function- sensory & postganglionic sympathetic innervation of the skin overlying the lateral aspect of the thigh

Question 4

Saphenous n.

Femoral n. (L2-4, posterior divisions)

Answer 4

details- courses through the adductor canal

function- sensory & postganglionic sympathetic innervation of the skin overlying the medial aspect of the leg

Question 5

Muscular branches

Femoral n. (L2-4, posterior divisions)

Answer 5

function- sensory, postganglionic sympathetic & motor innervation of the iliacus, pectineus, sartorius, rectus femoris, vastus lateralis, vastus medialis & vastus intermedius muscles

Question 6

Obturator n. (L2-4, anterior divisions)

Answer 6

Anterior and posterior muscular branches

function- sensory, postganglionic sympathetic & motor innervation of the gracilis, adductor brevis, adductor longus, adductor magnus & obturator externus muscles.