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Table 3 Mean and SD of sum muscle activity (Σ in µV) at CMVJa for Co and CMG as well as jump height (in cm)

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:

Sum in µV

Co

Mean ± SD

CMG

Mean ± SD

p value

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

Σ Masseter

189.2 ± 59.2

158.1 ± 36.4

0.06

0.21

Σ Sternocleidomastoids

166.4 ± 49.1

138.3 ± 42.5

0.19

0.15

Σ Rectus femoris

146.7 ± 48.7

156.8 ± 84.7

0.86

0.01

Σ Erector spinae

193.3 ± 55.5

230.3 ± 82.8

0.12

0.13

Jump height in cm

52.5 ± 5.2

53.3 ± 4.8

0.43

0.06

  1. * = significantly different, Co = control, CMG = custom made mouthguard; SD = standard deviation, Σ = sum of bilateral muscular mean values, \(\eta_{p}^{2}\) = part. Eta square