Definition: "Unclinch" is a phrase that refers to a sudden, abrupt movement of a muscle or tendinous tissue in response to an injury. It can occur at any part of the body and can be caused by a variety of factors, such as trauma, infection, or overuse. In sports medicine, unclinches are often considered an important aspect of rehabilitation and may help athletes recover faster from injuries. They can also be used in physical therapy to evaluate muscle strength and endurance.