What typically results from a grade 3 muscle strain?

A grade 3 muscle strain is characterized by a complete tear of the muscle fibers, which results in significant tissue damage. This level of severity typically presents with severe pain at the moment of injury due to the disruption of the muscle's structural integrity and the associated inflammatory response. Additionally, this type of strain often leads to an immediate loss of function in the affected muscle, making it difficult or impossible for the individual to continue any activity that involves that muscle.

The presence of severe pain and the inability to perform normal movements are indicative of the body’s immediate response to protect the injured area. Healing in such cases requires time and often medical intervention, highlighting the serious nature of a grade 3 strain. Recovery may involve rehabilitation to restore strength and flexibility before returning to full activity.