Table 2.

Kinematic and kinetic variables (mean ± SD) at peak knee flexion (PKF) for each single leg squat (SLS) task for females and males.

Variable at PKF	Females			Males
	SLS-Front	SLS-Middle	SLS-Back	SLS-Front	SLS-Middle	SLS-Back
Joint angle (°)
Trunk flexion†	18.8 ± 11.5	24.4 ± 13.6	23.5 ± 12.4	18.6 ± 14.5	24.0 ± 15.2	22.5 ± 10.8
Trunk ipsilateral flexion*†	0.9 ± 2.6	1.6 ± 2.7	2.3 ± 2.1	3.3 ± 4.4	3.5 ± 3.1	4.7 ± 2.8
Pelvic anterior tilt‡	5.6 ± 9.2	17.5 ± 8.4	27.1 ± 9.1	−7.3 ± 7.4	8.2 ± 9.1	20.1 ± 8.6
Pelvic hike†	2.9 ± 2.8	1.1 ± 3.0	−5.6 ± 3.4	3.5 ± 3.8	1.4 ± 4.3	−4.1 ± 4.3
Hip flexion‡	47.7 ± 13.5	59.9 ± 15.1	65.8 ± 12.1	40.8 ± 13.4	56.4 ± 13.7	65.8 ± 11.4
Hip adduction*†	10.3 ± 5.2	11.2 ± 3.9	15.6 ± 5.1	4.0 ± 5.5	5.8 ± 6.5	10.7 ± 6.6
Knee flexion*†	82.6 ± 5.7	78.6 ± 8.2	74.9 ± 5.7	87.5 ± 13.2	84.0 ± 9.3	81.9 ± 7.5
Knee abduction†	8.8 ± 7.0	7.8 ± 7.1	6.0 ± 7.4	6.7 ± 7.1	5.2 ± 6.5	2.9 ± 6.5
Ankle dorsiflexion†	30.9 ± 5.8	28.6 ± 5.9	29.4 ± 5.7	29.9 ± 5.7	27.6 ± 6.4	28.4 ± 5.7
Ankle eversion	10.6 ± 4.5	10.1 ± 3.8	10.1 ± 4.4	11.7 ± 3.8	11.7 ± 3.5	11.6 ± 3.5
Normalized joint moment (Nm/kg)
Hip extension†	1.04 ± 0.41	1.10 ± 0.52	0.84 ± 0.39	1.06 ± 0.68	1.21 ± 0.62	1.00 ± 0.48
Hip abduction‡	0.93 ± 0.17	0.89 ± 0.16	0.87 ± 0.15	0.82 ± 0.19	0.83 ± 0.18	0.85 ± 0.20
Knee extension*†	1.59 ± 0.26	1.56 ± 0.28	1.64 ± 0.24	1.92 ± 0.29	1.78 ± 0.25	1.86 ± 0.23
Knee adduction†	0.26 ± 0.23	0.20 ± 0.25	0.16 ± 0.27	0.31 ± 0.28	0.19 ± 0.25	0.14 ± 0.25
Ankle plantar flexion†	0.82 ± 0.23	0.63 ± 0.27	0.62 ± 0.27	0.93 ± 0.28	0.77 ± 0.33	0.77 ± 0.31
Ankle inversion†	0.34 ± 0.13	0.29 ± 0.11	0.29 ± 0.11	0.33 ± 0.11	0.29 ± 0.10	0.29 ± 0.10

^*Significant main effect of sex from a linear regression model with a generalized estimating equations (GEE) correction (P<0.05).

^†Significant main effect of task from a linear regression model with a GEE correction (P<0.05).

^‡Significant sex-by-task interaction from a linear regression model with a GEE correction (P<0.05).