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 collateral ligament (UCL) complex is located on the inside (or medial side) of the elbow (small finger side of the arm), and is attached on one side to the humerus (the bone of the upper arm) and on the other to the coronoid process of the ulna (a bone in the forearm).