Arm and hand amputations called upper extremities are performed due to traumas, congenital anomalies, electric shock and tumors. When making an amputation decision, the physician must ensure that the maximum possible function remains. For example, only the function of the thumb constitutes 50% of the entire function of the hand. In upper limb amputation, levels are classified as partial hand and finger losses from hand to shoulder, amputation above elbow, under elbow amputation, and loss of whole arm from shoulder level.
Upper extremity amputations negatively affect a person's daily life activities. Especially the loss of the commonly used side, which is called the dominant extremity (different for the right and left hand), means more functional disability and disability.