Table 3. .

Kinematic Variables at Initial Contact, ° (Mean ± SD)

Kinematic Variable	Menses	Ovulation	Menses, 95% Confidence Interval		Ovulation, 95% Confidence Interval		t	P
			Lower	Upper	Lower	Upper
Knee flexion (+)	21.1 ± 5.4	21.0 ± 7.4	18.6	23.7	17.6	24.5	−0.1	.94
Knee valgus (−)	−1.3 ± 3.9	−0.9 ± 5.3	−3.1	0.6	−3.5	1.5	−0.3	.77
Knee rotation (+ internaI rotation/− external rotation)	1.6 ± 7.3	−3.3 ± 8.1	−1.8	4.9	−7.1	0.5	2.8	.01a
Hip flexion (−)	−41.4 ± 8.9	−43.5 ± 6.6	−41.6	−37.2	−46.6	−40.4	0.9	.34
Hip abduction (−)	−3.4 ± 4.9	−3.7 ± 5.5	−5.7	−1.1	−6.3	−1.2	0.3	.79
Hip rotation (+ internal rotation/− external rotation)	−2.2 ± 8.6	−0.6 ± 7.8	−6.2	1.9	−4.2	3.1	0.9	.33

^aIndicates difference between phases.