In another type of systemic scleroderma, known as diffuse cutaneous systemic scleroderma, the fibrosis affects large areas of skin, including the torso and the upper arms and legs, and often involves internal organs.n the third type of systemic scleroderma, called systemic sclerosis sine scleroderma (sine means without in Latin), fibrosis affects one or more internal organs but not the skin.
The UCL, or ulnar collateral. ligament, is located in. the middle thumb joint, and provides support to. the thumb during grip. and pinch. It is the most. common ligament injury.
The ulnar nerve can be constricted as it passes through the wrist or elbow. The ulnar nerve transmits electrical signals to muscles in the forearm and hand. The nerve is responsible for sensation in the fourth and fifth fingers of the hand, the palm, and the underside of the forearm.