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E??ects of Mouth piece Use on Lactate and Cortisol Levels During and After 30 Minutes of Treadmill Running | Abstract

The Open Access Journal of Science and Technology

Abstract

E??ects of Mouth piece Use on Lactate and Cortisol Levels During and After 30 Minutes of Treadmill Running

Author(s): D.P. Garner and E.J. Mc Divitt

Background:Protective mouth pieces havebeen used in a variety of sports to decrease the risk of or of acial injury.There islimited data to suggest that mouth piece use during exercise mayalsoprovideanergogeniceï¬??ect.Aim:Toinvestigatetheeï¬??ects of mouthpiece use (the Edge, Bite Tech Corp) on physiological parameters. Methods: Twenty-four college-aged recreationally ï¬》 subjects ran for 30 minutes on 2 separate trials with a mouthpiece randomly assigned to each trial for all subjects. Lactate andcortisollevelswereassessedbefore,during(lactateonly)andaftertesting.Results:Thisstudyfoundthatlactatelevelswere signiſtantlyloweredinthemouthpiececonditionat30minutesofexercise(4.01mmol/LMPversus4.92mmol/LnoMP,P-value =0.024).In22ofthe24subjectssalivarycortisolsampleswereassessedwithnosigniſtantdiï¬??erencebetweenmouthpieceand nomouthpiececondition(0.151ug/dLMP,0.214ug/dLNoMP,P=0.08).Conclusions:Theoutcomesofthisstudysuggestthat useofamouthpiecemayaï¬??ectlactatepostmoderateintensityexerciseinthispopulation

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