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(December 2013). Myalgia, or muscle pain, is a symptom of many diseases and disorders. The most common causes are the overuse or over-stretching of a muscle or group of muscles.Myalgia without a traumatic history is often due to viral infections.Longer-term myalgias may be indicative of a metabolic myopathy, some nutritional deficiencies or chronic fatigue syndrome.he most common causes are the overuse or over-stretching of a muscle or group of muscles. Myalgia without a traumatic history is often due to viral infections. Longer-term myalgias may be indicative of a metabolic myopathy, some nutritional deficiencies or chronic fatigue syndrome.
Skeletal muscle aches and pains are most often caused by injury or trauma resulting in muscle strain or tear. A muscle strain occurs when a few muscle fibers are damaged, whereas a muscle tear is a large number of muscle fibers that are ripped apart or torn.A torn tendon can also lead to muscle pain.keletal muscle aches and pains can also be caused by cramping of the muscles due to excessive or abnormal nerve impulses that make the muscles contract inappropriately.