DO NEUROMUSCULAR DENTISTRY-DESIGNED MOUTH-GUARDS ENHANCE DYNAMIC MOVEMENT ABILITY IN COMPETITIVE ATHLETES?

作者：Cotter Joshua A^*; Jamison Steve T; Schloemer Sarah A; Chaudhari Ajit M W

来源：Journal of Strength and Conditioning Research, 2017, 31(6): 1627-1635.

DOI：10.1519/JSC.0000000000001632

• functional movement screen
• FMS
• modified star excursion balance test
• motion capture
• single-leg landing
• time-to-contact

The purpose of this study was to examine the effect of a neuromuscular dentistry-designed mouthguard (NMDD) on dynamic movement ability. Forty-two competitive athletes (8 women, 21.9 +/- 2.9 years, 66.8 +/- 18.8 kg, 1.68 +/- 0.11 m; 34 men, 22.8 +/- 4.8 years, 77.4 +/- 12.7 kg, 1.78 +/- 0.08 m) with greater than 2 years' experience in their designated sport were enrolled in the study. Participants completed the Functional Movement Screen (FMS), modified Star Excursion Balance Test (mSEBT), and a single-leg landing (SLL) task. Each subject was tested with 3 separate mouth guard conditions in random order: (a) no mouthguard (NO), (b) over-the-counter boil-and-bite mouthguard (BB; Shock doctor Gravity, (c) and an NMDD (Pure Power Elite). Data were analyzed using a repeated-measures analysis of variance for each variable. There were no differences between mouthguard conditions in each of the 7 individual components or composite FMS score (p > 0.05). No differences were seen in the anterior, posteromedial, or posterolateral movements of the mSEBT; overall composite score; or time to-contact measurements (p > 0.05). The BB condition (2.16 Nm.kg(-1)) exhibited higher peak knee valgus moments (pKVM) on the right leg only when compared with the NMDD condition (1.95 Nm.kg(-1); p = 0.003) but not the NO condition (2.09 Nm.kg(-1); p = 0.7262) during the SLL task. No differences in pKVM were seen on the left leg (p = 0.324). In conclusion, an NMDD was not effective at enhancing or diminishing measures of dynamic movement ability compared with BB or NO conditions.

• 出版日期2017-6