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.
Brachial artery: The brachial artery is the major artery of the upper arm. It travels down the upper arm and through the elbow. It then divides into the radial and ulnar arteries. Radial artery: This artery splits from the brachial artery to follow the radius bone on the thumb side of the forearm. Ulnar artery: Opposite of the radial artery, this artery follows the ulna bone in the forearm on the âpinkieâ finger side of the forearm. Deep palmar arch: This series of arteries forms where the ulnar and radial arteries meet at the palm of the hand.