what causes a pulled heart muscle
Muscle Spasms/ Swelling. A pulled muscle due to strain or injury can also cause swelling in the chest area and muscle spasms. A muscle spasm is the result of inflammation caused by strain, causing the muscles to contract suddenly.Pain may also be present with muscle spasms.uscle Spasms/ Swelling. A pulled muscle due to strain or injury can also cause swelling in the chest area and muscle spasms. A muscle spasm is the result of inflammation caused by strain, causing the muscles to contract suddenly.