verb. strain abnormally.
1. Verb, base form Be careful not to overstretch the rubber; you want it to snap back to its original position when done. 2. Verb, non-3rd person singular present When you overstretch, especially if the tissue is already aggravated or not conditioned well enough, you are at risk of causing microtrauma and straining the muscle. 3. Noun, singular or mass A groin pull, or strain, refers to an overstretch or tear injury to one of the three adductor muscles that run down the inside of the thigh and work to pull the legs together.