Muscle strain is a painful and uncomfortable condition of muscles associated with muscle stretching after intense workout or hard working for long time. This condition often resolve son its own after some time. The causes of Muscle Strain are - Accidents - Fall - Not warming up before exercise - Sports injuries - Repetitive movements at workplace e.g. operating a machinery The symptoms of Muscle Strain are - Easy bruising - Difficulty in moving the muscle - Mild to severe muscle cramps - Muscle spasms - Weakness in muscles - Worsening pain - Swelling The treatment of Muscle Strain includes - Home remedies i.e. RICE (Rest, Ice, Compress, Elevate) - Over-the-counter medicines e.g. NSAIDs, muscle relaxants, pain killers - Exercises e.g. Hamstring stretch, Hip flexor stretch, Neck stretch