Plyometrics and its history

Páginas: 2 (304 palabras) Publicado: 15 de noviembre de 2011
Juan Diego Patiño
Research Paper.

Plyometrics is a type of exercise designed to produce fast, powerful movements, and improve the functions of the nervous system, generally for the purpose ofimproving performance in sports. Plyometrics are also known as explosive workouts. During plyometric workouts muscles are loaded and then contracted in rapid sequence, using the strength and elasticityof muscle and surrounding tissues to jump higher, run faster, throw farther, or hit harder. Plyometrics is used to increase the speed or force of muscular contractions, providing explosiveness for avariety of sports.
Benefits go from injury prevention to power development and sprint performance. Although other plyometric trainings involve movements to toughen tissues and train nerve cells tostimulate a specific pattern of muscle contraction so the muscle generates as strong a contraction as possible in the shortest amount of time.

Plyometric training engages the myotatic reflex, which isthe automatic contraction of muscles when their stretch sensory receptors are stimulated. The purpose of plyometrics is to emphasize speed-based power. Just like good jumpers may not have exceptionalleg strength, but they can produce it at great speeds. Plyometrics have been shown to have benefits for reducing lower-extremity injuries in team sports while combined with other neuromusculartrainings, like stretching.
Good levels of physical strength and flexibility should be achieved before the initiating of plyometric training. The specified minimum strength requirement varies depending onwhere the information is sourced and the intensity of the plyometrics to be performed. Plyometrics are not inherently dangerous, but the highly focused, intense movements used in repetition increasethe potential level of stress on joints and “musculo-tendonous” units. Therefore safety precautions are a strong prerequisite to this particular workout. People in Guayaquil can begin this training...
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