Table 1.

The initial values (mean ± SD) of voluntary and involuntary performance in follicular phase and ovulation.

Menstrual cycle	Jump height, cm	MVC, Nm	P20, Nm	P100, Nm
Follicular phase	21.2 ± 2.7	130.3 ± 22.1	53.1 ± 11.9	76.3.±29.9
Ovulation	22.1 ± 2.5	137.1 ± 28.6	57.9 ± 21.6	78.3 ± 21.1

MVC: maximal voluntary contraction torque; P20: torque evoked in quadriceps by 1 s trains of electrical stimulation at 20 Hz; P100: torque evoked in quadriceps by 1 s trains of electrical stimulation at 100 Hz.