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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