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. Author manuscript; available in PMC: 2007 Jun 8.
Published in final edited form as: J Sports Med Phys Fitness. 2005 Dec;45(4):594–603.

Figure 1.

Figure 1

Comparison of knee laxity values between males and females by day of the menstrual cycle (P=0.026). M1–M5: days of menses; O1–O5: days of the initial estradiol rise near ovulation; EL1–EL5: days of the early luteal phase (rise in progesterone <2 ng/mL); LL1–LL5: days of the late luteal phase (decline in progesterone levels). *Females greater than males. †Greater than day 3 of menses. ‡Greater than days 1–5 of menses and day 1 of initial estrogen rise at ovulation. #Greater than days 2 and 4 during the initial estrogen rise.