31 17–35-yr.-old men (15 college athletes and 16 nonathletes) performed three dead-lifts with and three without grunting, the order of which was randomly assigned. No differences were found across the grunting trials and grunting did not affect maximal force production. Grunting does not appear to increase maximum force production significantly during a large muscle group, force output activity (isometric dead lift).
Get full access to this article
View all access options for this article.
References
1.
IkaiM.SteinhausA. (1961) Some factors modifying the expression of human strength. Journal of Applied Physiology, 16, 157–163.
2.
JohanssonC.KentB.ShepardK. (1983) Relationship between verbal command volume and magnitude of muscle contraction. Physical Therapy, 63, 1260–1265.
3.
McNairP.DepledgeJ.BrettkellyM.StanleyS. (1996) Verbal encouragement: Effects on maximum effort voluntary muscle action. British Journal of Sports Medicine, 30, 243–245.
