Occupational risk factors Workers in certain fields are at risk of repetitive strains. Most occupational injuries are musculoskeletal disorders, and many of these are caused by cumulative trauma rather than a single event. Miners and poultry workers, for example, must make repeated motions which can cause tendon, muscular, and skeletal injuries. Jobs that involve repeated motion patterns or prolonged posture within a work cycle, or both, may be repetitive. Young athletes are predisposed to RSIs due to an underdeveloped musculoskeletal system. Psychosocial factors Factors such as personality differences to work-place organization problems. Certain workers may negatively perceive their work organization due to excessive work rate, long work hours, limited job control, and low social support. Previous studies shown elevated urinary catecholamines (stress-related chemicals) in workers with RSI. Pain related to RSI may evolve into chronic pain<unk>  particularly for workers who do not have supports from co-workers and supervisors. Non-occupational factors Age and gender are important risk factors for RSIs. The risk of RSI increases with age. Women are more likely affected than men because of their smaller frame, lower muscle mass and strength, and due to endocrine influences. In addition, lifestyle choices such as smoking and alcohol consumption are recognizable risk factors for RSI. Recent scientific findings indicate that obesity and diabetes may predispose an individual to RSIs by creating a chronic low grade inflammatory response that prevents the body from effectively healing damaged tissues.
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