Triceps tendonitis is a condition caused by inflammation of the tendon that runs from the back of the arm (your triceps) to the elbow bone.
Flexor tenosynovitis, or a flexor tendon sheath infection, is a serious infection around the tendons of the finger.
The ECU tendon, or extensor carpi ulnaris, is one of the major wrist tendons. It is on the ulnar side of the wrist, the same side as the small finger. The tendon starts on the back of the forearm and crosses the wrist joint directly on the side.
Finger sprains and dislocations are common hand injuries. A sprain happens when the tough tissue that supports a joint is stretched too far. This tissue, called a ligament, can be partially or completely torn.
The biceps muscle is the large muscle over the front of the arm that extends from the elbow to the shoulder joint. The biceps muscle is especially important both with bending the elbow, and also turning the forearm to have the palm facing upwards