(3) reported significant improvements in vertical jump heightĬopyright © National Strength and Conditioning Association Unauthorized reproduction of this article is prohibited.Īnd peak power during the Wingate test when a performance Reported when a custom mouthpiece was worn. Peak and average power during the Wingate anaerobic testĪnd increased hamstring isokinetic peak torque were Isometric strength measures, significant improvements in Although no significant differences were observedįor sprint time, vertical jump measures, handgrip, and other (5) examined the influence of a custom mouthpiece on various strength and power measures in taekwondoĪthletes. Strength and power (3,5,6) have produced mixed results.Ĭetin et al. Measures (4,14), hormonal response (12), and muscular Recent investigations examining the effect of jaw positionĪnd use of mouthpiece on performance variables such asĪerobic performance factors (4,13,28), various reaction time Mouthpiece and again with their mouth open. Although the studyĪimed to examine the influence of jaw clenching, participants were asked to jump while maximally biting on a vinyl Peak force (PF) to be greater in the clenched group and This group reported RFD, time to peak force, (TTPF), and Jump (CMVJ) of men’s and women’s track and field athletes. nonclenching in the countermovement vertical (9) further examined the efficacy of jawĬlenching vs. When the jaw was clenched before and during force production. In force production and rate of force development (RFD)ĭuring grip strength assessment of a nonathletic population Hiroshi (16) observed significant increases Realignment, jaw clenching has been examined for potentialĮrgogenic effects. Similar to the performance enhancing effects of jaw Presence of the noted scientific flaws, suggested in the early
The ergogenic effects on athletic performance, even in the Although compelling, these observations haveīeen criticized for various reasons, including lack of statistical analysis, poor experimental design, and lack of experimental control (17,20,21). The temporomandibular joint (TMJ) were described Resulting from the use of an oral appliance to properly align The mid-to-late 20th century, reports of potential performance benefits, particularly improvements in strength, Ó 2014 National Strength and Conditioning Associationīark before fights for protection against dental injury (23). Allen, of Strength and Conditioning Research Traced back to the 19th century when a Britishĭentist, Woolf Krause, fitted boxers’ teeth with strips of treeĪddress correspondence to Charles R. Sports such as football and lacrosse is a recommended (1) and required practice (22), which can be He use of a mouthpiece for injury prevention in KEY WORDS performance mouthpiece, rate of forceĭevelopment, 1 repetition maximum, bench press These data indicate that the use of this particular jawĪligning mouthpiece specifically in an attempt to produce anĮrgogenic effect on performance is unwarranted. Statistical analysis revealed no significant differences between conditions for CMVJ height (p = 0.13), RFD atĢ00 ms (p = 0.09), PF (p = 0.08), and 1RM bench press (p =Ġ.45). (RFD) and peak vertical force (PF) were derived from force Of a maximum countermovement vertical jump (CMVJ) fromĪ force platform and 1 repetition maximum (1RM) bench pressĮxercise for the following conditions: with mouthpiece (MP)Īnd without mouthpiece (noMP). Recreationally trained college aged males on the performance Practical acute performance measures of power and strength.Ī within-subjects design was used to evaluate 21 (N = 21) This study was to investigate the acute effect of a commerciallyĪvailable, noninjury preventive, performance mouthpiece on
Mouthpieces, there are few investigations into using performance mouthpieces during sport and physical activity to substantiate claims of performance enhancement.
J Strength Cond ResĢ8(2): 499–503, 2014-Because of the relative newness of The acuteĮffect of a commercial bite-aligning mouthpiece on strengthĪnd power in recreationally trained men. ZACHARY,ĭepartment of Health, Exercise Science, and Recreation Management, Applied Biomechanics Laboratory, University ofĪllen, CR, Dabbs, NC, Zachary, CS, and Garner, JC.
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