radiaalnärvi
Radiaalnärvi, also known as the radial nerve, is a peripheral nerve in the upper limb. It originates from the posterior cord of the brachial plexus, receiving nerve fibers from the C5, C6, C7, C8, and T1 spinal nerve roots. The radial nerve is the largest nerve of the brachial plexus and is primarily responsible for the extension of the elbow, wrist, and fingers, as well as supination of the forearm.
The radial nerve travels down the arm, initially in the posterior compartment of the arm, where it
The deep radial nerve is primarily motor and innervates the muscles of the posterior forearm, including the
The superficial radial nerve is sensory and provides sensation to the dorsal aspect of the radial side
Common causes of radial nerve injury include fractures of the humerus, especially those involving the radial