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.
â¢ The ulnar nerve is critical to normal upper extremity function. â¢ Isolated ulnar nerve injury is most debilitating for the loss of coordinated hand/finger activity, hand strength and ability to perform fine motor activity as well as the loss of sensation to the ulnar border of the hand.