Repetitive strain injuries are injuries of the musculoskeletal and nervous systems that may be caused by repetitive tasks, forceful exertions, vibrations, mechanical compression (pressing against hard surfaces), or sustained or awkward positions.
Repetitive strain injuries are believed to be caused due to lifestyle without ergonomic care. E.g., while working in front of computers, driving, traveling, reading or doing tasks for extended periods of time while looking down, sleeping on an inadequate bed/mattress or sitting in a bad armchair and/or in an uncomfortable position, carrying heavy items, holding one’s phone between neck and shoulder, watching TV in incorrect position, sleeping with head forward while traveling, prolonged use of the hands, wrists, back, neck, etc, sitting in the same position for a long period of time.
Simple reasons like using a blunt knife for everyday chopping of vegetables, may cause Repetitive strain injuries.