Deltoid pain most commonly occurs due to an injury to the muscle or surrounding structures, including the nerves, bones, and ...

form a bundle of nerves in an area of the shoulder. They are referred to as the brachial plexus. Each nerve begins to branch out as it travels down the shoulders, through the armpits ...

The ulnar nerve starts near where your neck meets your shoulder. It runs through your elbow and down to the outer edge of your hand. It’s one of three main nerves that provide feeling and ...