Cumulative Trauma Disorders (CTD) is a collective term for syndromes characterized by discomfort, impairment,
disability or persistent pain in joints,muscles, tendons and other soft tissues, with or without physical manifestations. It is caused or aggravated by repetitive motions including vibrations, sustained or constrained postures, and forceful movements at work or leisure. Many different terms have been used to describe the observed events. For example, the syndrome has also been called over-use injury, cervicobrachial disorder, cumulative trauma injury, repetition strain injury, repetitive motion injury, rheumatic disease, osteoarthrosis (Putz- Anderson 1988).