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Table 3 Comparison of duration time and fatigue of back muscle activation before and after isometric exercise using ATM2 (n = 36)

From: Immediate effect of trunk flexion and extension isometric exercise using an external compression device on electromyography of the hip extensor and trunk range of motion of healthy subjects

 

Pre

Post

T

P-value

Cohen’s d

Duration time (s)

75.62 ± 35.86

81.69 ± 31.07

− 1.094

0.281

0.18

Fatigue slope

     

 ES

− 1.39 ± 1.57

− 1.25 ± 1.00

− 0.562

0.578

0.11

 MF

− 1.18 ± 1.13

− 1.63 ± 1.45

2.157

0.038*

0.35

  1. Values are presented as mean ± standard deviation, ES; erector spinae, MF; multifidus, *p < 0.05