What are nerve Innervations?

Cutaneous innervation refers to the area of the skin which is supplied by a specific nerve. Modern texts are in agreement about which areas of the skin are served by which nerves, but there are minor variations in some of the details.

What does the radial nerve supply?

The radial nerve innervates the muscles located in the posterior arm and posterior forearm. In the arm, it innervates the three heads of the triceps brachii, which acts to extend the arm at the elbow.

What is the main nerve in your arm?

The three main nerves in your arm and their approximate paths are: the median nerve, which runs down the center of your arm. the radial nerve, runs down the thumb side of your arm. the ulnar nerve, which runs down the little finger side of your arm.

What kind of nerve runs down the center of your arm?

1 the median nerve, which runs down the center of your arm 2 the radial nerve, runs down the thumb side of your arm 3 the ulnar nerve, which runs down the little finger side of your arm

Where are the nerve roots of the ulnar nerve located?

Ulnar nerve The ulnar nerve is formed from the C8 and T1 nerve roots. The C8 and T1 roots are part of the brachial plexus that travels from the cervical spine, under the clavicle, through the armpit (axilla), and down the inside of the arm to the inner elbow.

Where is the subclavian vein in the upper limb?

It ultimately becomes the subclavian vein at the lateral border of the first rib. The upper limb is supplied by a nervous network called the brachial plexus. This plexus is made by the merging of the anterior rami from the lower four cervical nerves and the first thoracic nerve (C5-T1).

Where does the interosseous nerve travel in the arm?

The posterior interosseous nerve also passes through several tight spots in your forearm near your elbow, including the radial tunnel. It can be compressed as it travels through any of these places.

What are nerve Innervations? Cutaneous innervation refers to the area of the skin which is supplied by a specific nerve. Modern texts are in agreement about which areas of the skin are served by which nerves, but there are minor variations in some of the details. What does the radial nerve supply? The radial nerve…