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. 2018 Mar 13;114(5):1142–1152. doi: 10.1016/j.bpj.2017.12.045

Figure 4.

Figure 4

Representative IFM Nyquist plots fitted with the complex modulus equation. Each fiber was oscillated through frequencies from 0.5 to 650 Hz at a ML change of 0.125%. The resultant force and length traces were used to generate the viscous and elastic modulus. A three-term equation was fit to each fiber’s Nyquist plot to determine muscle apparent rate constants and amplitudes (see Materials and Methods and Table 5). To see this figure in color, go online.