What does the intercostobrachial nerve innervate?

The intercostobrachial nerve (ICBN), which usually originates from the lateral cutaneous branch of the second intercostal nerve, innervates areas of the axilla, lateral chest, and medial arm.

Where is the intercostobrachial nerve?

The intercostobrachial nerve (ICBN) is a cutaneous nerve that provides sensation to the lateral chest, medial aspect of the upper arm, and the axilla.

What does the Musculocutaneous nerve do?

The musculocutaneous nerve innervates the three muscles of the anterior compartment of the arm: the coracobrachialis, biceps brachii, and brachialis. It is also responsible for cutaneous innervation of the lateral forearm.

Is the intercostobrachial nerve anterior or posterior?

(Intercostobrachial nerve visible near top center.) The intercostobrachial nerves are cutaneous branches of the intercostal nerves . The lateral cutaneous branch of the second intercostal nerve does not divide, like the others, into an anterior and a posterior branch; it is named the intercostobrachial nerve.

Which is branch of tibial nerve innervates the foot?

Branches of the Tibial nerve. Medial calcaneal nerve innervates plantar medial heel. Medial plantar nerve innervates Abductor Hallucis. FHB. FDB. lumbircals to 2nd and 3rd toes. at risk proper branch of medial plantar nerve at risk with medial-plantar approach to the tibial sesamoid.

How is The intercostabrachial nerve divided in ANC?

The intercostabrachial nerve is also sometimes divided in axillary node clearance (ANC), such as that done for breast cancer surgery which requires the removal of the axillary nodes. Sensation to the cutaneous region supplied by the nerve is affected.

Is there a second intercostal nerve in the arm?

Third intercostal nerve. A second intercostobrachial nerve is frequently given off from the lateral cutaneous branch of the third intercostal; it supplies filaments to the axilla and medial side of the arm.