what is a sprain muscle
Muscle sprains and strains facts. 1  A sprain is abnormal stretching or tearing of a ligament that supports a joint. 2  A strain is abnormal stretching or tearing of a muscle or tendon. 3  Sprains and strains may be caused by repetitive activities or by a single event. 4  The diagnosis of a sprain or strain usually can be made after the healthcare 5  ... RICE ...uscle sprains and strains facts. 1  A sprain is abnormal stretching or tearing of a ligament that supports a joint. 2  A strain is abnormal stretching or tearing of a muscle or tendon. 3  Sprains and strains may be caused by repetitive activities or by a single event. 4  The diagnosis of a sprain or strain usually can be made after the healthcare 5  ... RICE ...