Table 3.

Descriptive statistics and two-way ANOVA of maximal strength tests and muscle thickness.

Parameter	Pre-test (m ± SD)	Post-test (m ± SD)	Change (m ± SD)	Time effect	Group effect	Time×group
Maximal strength
IGDL	789 ± 173.6 N	823.8 ± 190.5 N	+4.4% ± 5.4%	p = 0.051 F = 6.605 ${\eta }_p^2$ = 0.046	p = 0.142 F = 1.864 ${\eta }_p^2$ = 0.064	p < 0.001 F = 6.605 ${\eta }_p^2$ = 0.195
IGnDL	695.1 ± 180.1 N	698.2 ± 181.5 N	+0.4% ± 3.9%
CGDL	816.1 ± 168.0 N	817.8 ± 179.9 N	+0.2% ± 5.5%
CGnDL	747.8 ± 187.5 N	742.9 ± 189.5 N	−0.7% ± 3.6%
Muscle thickness
IGDL	154.5 ± 26.3 mm	164.8 ± 27.7 mm	+6.7% ± 7.9%	p = 0.001 F = 12.037 ${\eta }_p^2$ = 0.132	p = 0.398 F = 2.920 ${\eta }_p^2$ = 0.037	p = 0.039 F = 2.920 ${\eta }_p^2$ = 0.100
IGnDL	154.2 ± 26.1 mm	158.0 ± 24.2 mm	+2.5% ± 6.0%
CGDL	163.4 ± 24.4 mm	165.3 ± 23.2 mm	+1.2% ± 6.8%
CGnDL	167.6 ± 23.1 mm	168.3 ± 22.3 mm	+0.4% ± 5.1%

IG, intervention group; CG, control group; DL, dominant leg; nDL, non-dominant leg.