Axillary nerve injuries affect the nerve that runs from your neck to your shoulder. They commonly happen when the nerve is overstretched. Axillary nerve compression and injury often leads to pain and ...

The shoulder plays a key role in the blood flow to the arms. The armpit and shoulder serve as the meeting place for the torso and arms, so major vessels close to the heart travel through these areas.

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways The humerus is the only bone in the upper arm. It connects to the shoulder and elbow joint.The humerus works with muscles to raise and rotate ...

Scapular winging involves one or both shoulder blades sticking out from the back rather than lying flat. It is a rare condition that may result from injury or nerve damage. This article will discuss ...