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Neck pain is one of the most common complaints, with about one fifth of adults worldwide reporting pain annually. [32] According to the Labour Force Survey 2019/20 carried out by the UK's Health and Safety Executive (HSE), 8.9 million working days were lost due to work-related musculoskeletal disorders and 480,000 workers have these disorders. [33]
Repetitive shoulder movements, overhead, swinging, throwing or circling movement can cause musculoskeletal injury. [16] Some cases can result in spinal cord damage at the C3-C5 levels, producing a myelopathy which can dramatically compromise overall movements in arm and legs as well as other fine motor functions . [ 1 ]
Orthopaedic disorders may be congenital and there may be hereditary and environmental factors that can affect the normal functioning of the bones, joints, or muscles. [2] Other causes of bone diseases include severe impacts/injuries and weakness in bones/bone loss. The effects of bone disorders will vary with disease.
Other relatively common muscular dystrophies include Becker muscular dystrophy, facioscapulohumeral muscular dystrophy, and myotonic dystrophy, [1] whereas limb–girdle muscular dystrophy and congenital muscular dystrophy are themselves groups of several – usually extremely rare – genetic disorders.
The human musculoskeletal system (also known as the human locomotor system, and previously the activity system) is an organ system that gives humans the ability to move using their muscular and skeletal systems. The musculoskeletal system provides form, support, stability, and movement to the body.
The most common cause of acute myalgia is the overuse of a muscle or group of muscles; another likely cause is viral infection, especially when there has been no injury. Long-lasting myalgia can be caused by metabolic myopathy , some nutritional deficiencies , ME/CFS , fibromyalgia , and amplified musculoskeletal pain syndrome .
It can be caused by immobility, aging, malnutrition, medications, or a wide range of injuries or diseases that impact the musculoskeletal or nervous system. Muscle atrophy leads to muscle weakness and causes disability. Disuse causes rapid muscle atrophy and often occurs during injury or illness that requires immobilization of a limb or bed rest.
Osteoarthritis is the most common form of arthritis, affecting about 237 million people or 3.3% of the world's population as of 2015. [4] [12] It becomes more common as people age. [1] Among those over 60 years old, about 10% of males and 18% of females are affected. [2] Osteoarthritis is the cause of about 2% of years lived with disability. [12]