Stretching is a kind of physical fitness exercise in which a muscle (or muscle group) is stretched on purpose to its fullest length in order to help the muscle's elasticity and its tone. This helps a person have better control of his or her muscles and be more flexible.
Stretching, in its most basic form, is a natural and instinctive activity; it is done by many animals including humans. It may be done while yawning. Stretching often is done instinctively after waking from sleep, after long periods of being inactive, or after leaving small spaces and areas.
There are three basic types of stretching: ballistic, dynamic, and static stretching.
- (Weerapong et al. 189–206)
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- Weerapong, Pornratshanee, Patria A. Hume, and Gregory S. Kolt. "Stretching: Mechanisms and Benefits for Sports Performance and Injury Prevention." Physical Therapy Reviews 9.4(2004): 189-206.
- LaRoche, Dain, and Declan A. J. Connolly. "Effects of Stretching on Passive Muscle Tension and Response to Eccentric Exercise." American Journal of Sports Medicine 34.6(2006): 1000-1007.
- Shrier, Ian. "When and Whom to Stretch?" Physician & Sportsmedicine 33.3(2005): 22–26.