Table 2 Correlation (R value) between laxity changes (ΔLAX1_2, ΔLAX2_3) and variable changes from the follicular phase to ovulation, and ovulation to the luteal phase

Knee laxity (mm)	Peak knee angle (°)		Peak knee moment (Nm)					Knee impulse (Nms)
ΔLAX1_2	ΔAB1_2	ΔFL1_2	ΔEX1_2	ΔINT1_2	ΔADD1_2	ΔABD1_2	ΔEXT1_2	ΔEX1_2	ΔINT1_2	ΔADD1_2	ΔABD1_2
ΔLAX1_2	−0.123	0.159	0.228	−0.003	0.176	−0.127	0.073	0.237	−0.116	0.523*	−0.063
ΔLAX2_3	ΔAB2_3	ΔFL2_3	ΔEX2_3	ΔINT2_3	ΔADD2_3	ΔABD2_3	ΔEXT2_3	ΔEX2_3	ΔINT2_3	ΔADD2_3	ΔABD2_3
ΔLAX2_3	−0.127	−0.068	0.066	0.526*	0.379	−0.200	0.057	0.044	0.450*	0.408*	−0.217

ΔLAX1_2, changes (mm) in knee joint laxity at 89 N from the follicular phase to ovulation; ΔLAX2_3, changes in knee joint laxity at 89 N from ovulation to the luteal phase; Δ1_2, changes from the follicular phase to ovulation; Δ2_3, changes from ovulation to the luteal phase; AB, knee abduction angle; FL, knee flexion angle; EX, knee external rotation; INT, knee internal rotation; ADD, knee adduction; ABD, knee abduction; EXT, knee extension.
*p<0.05.