Grunting increases power production and vertical jump height in experienced martial artists
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Abstract
Muscular power is a critical determinant of performance in athletic competitions and thus identifying methods to maximize this attribute is imperative. Grunting (GR) may be an effective way to increase power during high-velocity, explosive movements. The purpose of the current investigation was to determine the effects of GR on muscular power output. Twenty-four subjects were recruited from a local martial arts academy. Each subject had a minimum of 2 years of martial arts experience. The performance measures included five maximal cross punches (CR) and roundhouse kicks (RH) to determine peak power output and three countermovement vertical jumps (CMJ) and seated landmine throws (SLT). In randomized order, subjects performed these tests under three breathing conditions which included held breath (HB), audible exhale (AE), and GR. When compared to AE and HB conditions, GR increased CR and RH power output and CMJ height but not SLT. Grunting is effective at increasing force production during striking in experienced martial artists.
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References
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