Arm muscle anatomy refers to the location and function of the muscles of the arms. These muscles attach to the shoulder blade, upper arm bone (humerus), forearm bones (radius and ulna), wrist ...

Cubital tunnel syndrome describes when the ulnar nerve, or funny bone, becomes stretched, compressed, or irritated. It may cause a person to experience numbness in the wrist, hand, or fingers ...

The radiocarpal joint is one of the two main joints that make up the wrist. Learn about its different movements and parts, as well as what can cause pain in this joint.

The ulnar nerve is responsible for the pain, or ‘funny bone’, sensation that occurs if the elbow bone is suddenly struck. Continual pressure on the elbow or inner forearm may cause damage.

An anatomy professor says an ulnar nerve injury suffered by St. Peter, not a median nerve injury, is the underlying reason why he adapted what later became the familiar papal gesture. Skip to main ...