A strain is an injury to a muscle or tendon in which the muscle fibers tear as a result of overstretching. A strain is also colloquially known as a pulled muscle.
Muscle strain or muscle pull or even a muscle tear implies damage to a muscle or its attaching tendons. Read about treatment, recovery time, and symptoms.
he Journal of the Academy of Orthopaedic Surgeons is more specific: “Pectoralis major muscle tears are relatively rare injuries that occur while lifting weights, ...