Final answer:
A strain involves muscle or tendon injuries caused by stretching or tearing, resulting in symptoms like pain and muscle spasms.
Explanation:
A strain is an injury to a muscle or a tendon caused by stretching or tearing. This can occur due to lifting heavy objects incorrectly, overstress, or injury. Symptoms include pain, muscle spasms, swelling, cramping, and difficulty moving the muscle.
Learn more about Muscle Strain Injuries here:
https://brainly.com/question/42140867
