Table 1.

Coefficients of variation among curve fits to Eq. 1 from repeated measurements within a single fiber

	Mouse		Fruit Fly
	Sinusoid	White noise	Sinusoid	White noise
A	5.5	1.5	2.0	2.9
k	2.2	0.5	1.0	2.0
B	1.3	4.9	10.2	6.7
b	3.8	2.4	1.0	1.7
C	5.2	15.5	10.4	7.9
c	3.5	5.6	1.3	1.6
ton	3.5	5.5	1.2	1.6

Values are in percent (n = 5). t_on, mean myosin cross-bridge attachment time. See text for definition of other terms.