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Table 2 Mean and SD for the muscular balance deviations (Δ in µV) during kettlebell swing for Co and CMG

From: The Influence of Customized Mouthguards on the Muscular Activity of the Masticatory Muscles at Maximum Bite and Motor Performance During Static and Dynamic Exercises

Parameters:

Differences in µV

Co

Mean ± SD

CMG

Mean ± SD

p value

\(\eta_{p}^{2}\)

Δ Masseter

8.77 ± 9.3

7.33 ± 4.8

0.60

0.03

Δ Sternocleidomastoids

6.06 ± 5.2

4.72 ± 5.1

0.61

0.03

Δ Rectus femurs

4.84 ± 5.3

6.67 ± 5.4

0.21

0.14

Δ Erector spinae

5.33 ± 3.4

2.53 ± 1.8

0.01*

0.52

  1. * = significantly different, Co = control, CMG = custom made mouthguard; SD = standard deviation, Δ = muscular balance deviations,\({ }\eta_{p}^{2}\) = part. Eta square
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