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. 2012 Nov 9;304(2):H260–H268. doi: 10.1152/ajpheart.00498.2012

Fig. 5.

Fig. 5.

Determination of the rate of tension redevelopment (ktr). Maximal ktr at pCa 4.5 (0.57 s−1) was determined from a single exponential curve fit of force redevelopment after a slack-restretch test in activating solution. This example includes the results of a second-order curve fit (slow component of 0.19 s−1 and fast component of 1.50 s−1). The first-order and second-order curve fit overlapped, and, therefore, only the second-order fit is shown.