What muscles does radial nerve innervate?

06/02/2019 Off By admin

What muscles does radial nerve innervate?

The radial nerve and its branches provide innervation the following muscles (See Structure and Function for specific nerve branch innervations and muscle actions)[7]:

  • Abductor pollicis longus.
  • Anconeus.
  • Brachioradialis.
  • Extensor carpi radialis brevis.
  • Extensor carpi radialis longus.
  • Extensor carpi ulnaris.

Where do you feel pain from the radial nerve?

A radial nerve injury usually causes symptoms in the back of your hand, near your thumb, and in your index and middle fingers. Symptoms may include a sharp or burning pain, as well as unusual sensations in your thumb and fingers. It’s common to experience numbness, tingling, and trouble straightening your arm.

Where does the radial nerve Trifurcate?

Note the radial nerve trifurcation at the medial border of the humerus into the branch to the medial head of triceps (arrow on left), posterior antebrachial cutaneous nerve (small arrow), and radial nerve proper (arrow on right).

What nerves supply the upper arm?

This article will focus on the five terminal nerve branches of the brachial plexus which supply the upper limb. These are the musculocutaneous nerve, the axillary nerve, the radial nerve, the median nerve and the ulnar nerve.

What three nerves supply the forearm?

Several major nerves continue from the arm into the forearm, including the radial, median, and ulnar nerves. These nerves control the forearm muscles that move the hands and fingers through tendons that pass through the wrist.

How do you treat radial nerve compression?


  1. A supportive splint at either the wrist or elbow to help prevent further injury and relieve the symptoms. You may need to wear it all day and night, or only at night.
  2. An elbow pad of the radial nerve is injured at the elbow.
  3. Physical therapy exercises to help maintain muscle strength in the arm.