Table 8.

Changes in the selected parameters of physical fitness in the experimental (Ex) and control (Co) groups following an 8-week period.

Groups	Testing	Sit-Ups n/30 s	Pull-Ups	Standing Long Jump cm
Experimental Group	pre	20.6 ± 4.9	3.7 ± 4.2	208 ± 28
	post	26.4 ± 3.1	7.1 ± 4.3	222 ± 25
	difference	t = −7.60, p = ≤0.001 Cohen’s d = 1.93	t = −8.13, p = ≤0.001 Cohen’s d = 2.09	t = −6.54, p = ≤0.001 Cohen’s d = 1.69
Control Group	pre	20.4 ± 4.8	2.7 ± 3.7	201 ± 16
	post	21.3 ± 4.7	3.1 ± 3.9	205 ± 18
	difference	t = −2.22, p = 0.043 Cohen’s d = 0.574	t = −2.44, p = 0.028 Cohen’s d = 0.634	t = −1.38, p = 0.195 Cohen’s d = 0.355

t₁—Student’s t-test for independent samples; t₂—Student’s t-test for dependent samples; p—likelihood ratio; significant values are in bold.