Nerve and Plexus functions

Axillary Nerve - Plexus

Brachial

Axillary Nerve - Body Area Served

Deltoid, teres minor, and long head of triceps brachii muscle and skin of shoulder; muscles and skin of superior thorax

Musculocutaneous Nerve - Plexus

Brachial

Musculocutaneous Nerve - Body Area Served

Flexor muscles of arm; skin of lateral forearm

Sciatic Nerve - Plexus

Sacral

Sciatic Nerve - Body Area Served

Inferior trunk and posterior surface of the thigh to innervate hip extensors and knee flexors

Median Nerve - Plexus

Brachial

Median Nerve - Body Area Served

Flexor muscles and some hand muscles; portions of hand and finger skin

Common Fibular Nerve - Plexus

Sacral

Common Fibular Nerve - Body Area Served

Lateral aspects of lower leg and foot

Obturator Nerve - Plexus

Lumbar

Obturator Nerve - Body Area Served

Adductor muscles of the medial thigh

Phrenic Nerve - Plexus

Cervical

Phrenic Nerve - Body Area Served

Diaphragm; skin and muscles of shoulder and neck

Radial Nerve - Plexus

Brachial

Radial Nerve - Body Area Served

Triceps and forearm extensor muscles of the forearm, skin of posterior upper limb

Femoral Nerve - Plexus

Lumbar

Femoral Nerve - Body Area Served

Hip flexors, knee extensors, and skin of anterior thigh

Tibial Nerve - Plexus

Sacral

Tibial Nerve - Body Area Served

Posterior lower leg and posterior foot

Superior and Inferior Gluteal Nerves - Plexus

Sacral

Superior and Inferior Gluteal Nerves - Body Area Served

Gluteal muscles of the hip

Ulnar Nerve - Plexus

Brachial

Ulnar Nerve - Body Area Served

Some flexor muscles of forearm; wrist and many hand muscles; skin of hand