Table 1.

Parameters of sarcomere shortening and relengthening as measured by laser diffraction

	tpeak, ms	t1/2R, ms	+dl/dtmax	−dl/dtmax	n
37°C
Control	47.1  ±  1.7	27.9  ±  1.5	12.51  ±  0.76	7.74  ±  0.52	48
Parvalbumin	43.0  ±  2.2	21.1  ±  1.7*	12.77  ±  0.67	10.61  ±  0.64*	43
lacZ	51.9  ±  2.0	34.1  ±  2.9	13.47  ±  0.77	7.77  ±  0.75	32
25°C
Control	148.5  ±  5.7	105.7  ±  6.4	5.16  ±  0.29	2.48  ±  0.15	40
Parvalbumin	138.9  ±  5.4	61.3  ±  3.2*	4.58  ±  0.24	3.77  ±  0.18*	45
lacZ	146.0  ±  7.9	100.9  ±  11.6	4.94  ±  0.45	3.02  ±  0.26	24

Values given as mean ± SEM. 

^*Significantly different from control and lacZ (one-way ANOVA, p < 0.05).