Table 2.

Post hoc evaluation of training device without ground poles.

Muscle	Outcome measure	No training device Mean (SD)	Training device Mean (SD)	p-Value for equality of means (2-tailed)	Mean difference	95% CI (lower)	95% CI (upper)
Left T18	Average rectified	0.4647 (0.31870)	0.3472 (0.17994)	0.002	0.11745	0.04516	0.18975
	Peak envelope	0.5717 (0.38510)	0.4016 (0.20246)	<0.001	0.1701	0.08413	0.25607
Left L5	Average rectified	0.3608 (0.28953)	0.3710 (0.22303)	0.78	– 0.0102	– 0.08227	0.06187
Right T18	Average rectified	0.2940 (0.26092)	0.2687 (0.19079)	0.435	0.02528	– 0.0385	0.08906
	Peak envelope	0.3887 (0.29459)	0.3421 (0.22136)	0.208	0.04658	– 0.02612	0.11929
Right L5	Average rectified	0.2435 (0.15558)	0.1670 (0.11342)	<0.001	0.07647	0.03848	0.11446

Significance (p < 0.05).