Table 3.

Maximum rates of force generation and relaxation

		Max +dF/dt (mN mm−2 s)			Max −dF/dt (mN mm−2 s)
Frequency	N	Control	AIP	P	Control	AIP	P
0.5 Hz	5	83.30 ± 9.73	60.83 ± 7.24	0.04	−54.47 ± 5.88	−45.67 ± 5.03	0.214
3 Hz	5	375.43 ± 28.02	313.91 ± 27.85	0.001	−267.15 ± 14.09	−215.74 ± 12.49	0.001
P-value for 0.5
versus 3 Hz	—	< 0.0001	< 0.0001	—	< 0.0001	< 0.0001	—

N, number of experiments; +dF/dt, rate of force generation; −dF/dt, rate of relaxation.