TY  - JOUR
PY  - 2014//
TI  - Influence of a custom made maxillary mouthguardguard guard on gas exchange parameters during incremental exercise in amateur road cyclists
JO  - Journal of strength and conditioning research
A1  - Piero, Malpezzi
A1  - Simone, Uliari
A1  - Jonathan, Myers
A1  - Maria, Spiridonova
A1  - Giulio, Grossi
A1  - Francesco, Terranova
A1  - Gabriella, Collini
A1  - Laura, Amabile
A1  - Eva, Bernardi
A1  - Gianni, Mazzoni
A1  - Francesco, Conconi
A1  - Giovanni, Grazzi
SP  - 672
EP  - 677
VL  - 29
IS  - 3
N2  - Mouthguards are frequently used for protection purposes, particularly by athletes competing in contact sports. However, there is increasing evidence supporting their use for improving performance. Studies have focused their use in athletes who do not traditionally use mouthguards and who may be looking for a performance edge. The aim of the current study was to evaluate the influence of a custom made mouthguard (PM) on maximal and submaximal physiological parameters related to performance in road cycling.Ten well-trained amateur road cyclists (34 ± 6 years) performed an incremental cardiopulmonary exercise test to exhaustion on a frictional braked cycle ergometer. Work rate (WR), heart rate, oxygen consumption (VO2), carbon dioxide production, and ventilation at the lactate threshold, at the respiratory compensation point (RCP), and at maximal exercise (MAX) were determined in normal conditions (C) and wearing PM. Cycling economy was also evaluated by analyzing the slope of the VO2/WR (ΔVO2/ΔWR, mL/watt/min) relationship during the test.Wearing the PM compared to C resulted in significant increases in WR at RCP (281 ± 32 vs 266 ± 19 watts, P=0.04) and at MAX (353 ± 44 vs 339 ± 38 watts, P=0.004). The PM also resulted in an average 8% lower ΔVO2/ΔWR (9.5 ± 1.1 vs 10.3 ± 1.1 mL/watt/min, P=0.06) but did not significantly modify any of the other measured parameters at LT, RCP and MAX.To the best of our knowledge this study is the first to evaluate the effects of a dentistry-designed mouthguard on physical performance of road cyclists. These results provide support for cyclists to correct jaw posture which may improve their exercise performance.<p />  <p>Language: en</p>
LA  - en
SN  - 1064-8011
UR  - http://dx.doi.org/10.1519/JSC.0000000000000695
ID  - ref1
ER  -