Pulling or straining a muscle can occur with an injury (e.g. falling or during sport) and results in damage to the muscle or its tendon, causing pain. Sometimes overuse, or sudden movements during normal daily activities, can also injure the muscle. In addition to muscle pain at rest, or when the muscle or joint is used, some other symptoms that might occur include: Swelling, Bruising, Redness and Weakness of the muscle. 

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