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 is the terminal branch of the medial cord, from the nerve roots of C8-T1 and sometimes C7. It descends down the medial aspect of the arm, medial to biceps brachii and anterior to brachialis. It pierces the medial intermuscular septum and passes anterior to the medial head of triceps.