When a pinched nerve is in your elbow, it can leave your arm and hand, especially the ring finger and pinky, feeling sore, numb, or weak.

If your hand or arm gets numb, the cause could range from carpal tunnel syndrome to a pinched nerve. No matter the reason, treatments can give you relief as well as get to the root of the problem ...

Stimulating a nerve that runs between various organs and the brain with intense physical rehabilitation improved arm and hand function in people with stroke.

Two stroke patients regained control of a disabled arm and hand after researchers delivered electrical stimulation to their spines, paving the way toward a medical device that could aid movement.

While ulnar nerve entrapment is usually not serious, it can have permanent consequences without prompt treatment, including paralysis and loss of feeling in the affected hand or arm.

There are several causes of a pinched nerve, such as carpal tunnel syndrome. Discover other causes, their signs and symptoms, and your treatment options.

Marcello Gaviglio had part of his sciatic nerve from his amputated leg move to his brachial plexus, the network of nerves that connect the spinal cord to the shoulder, arm and hand.

Vagus nerve stimulation therapy improved hand and arm function by 2-3 times more than intense rehabilitation alone.

Sensory nerves in the limbs send signals to motor neurons in the spinal cord, which in turn transmit them to the brain. Then the brain tells the arm and hand muscles to move.

The radial nerve runs down the underside of the arm and controls movement of the triceps (the muscle located at the back of the upper arm).

Tingling in your left arm can have several causes, some more serious than others. Here are seven possible explanations and the key signs of each.