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. 2010 Aug;136(2):159–177. doi: 10.1085/jgp.201010467

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© 2010 Ford et al.

This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 3.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/3.0/).

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Figure 4. — Time to selected features of response waveforms as they varied with amplitude of the stretch, ΔL. Open symbols are data from muscle fiber bundles containing WT-cTnT; filled symbols are data from muscle fiber bundles containing cTnT_S199E/T204E. (A) The time, T₉₀, taken to recover 90% of the difference between F₁ and F_SS in responses to quick releases. (B) The time, T₂₃, to nadir in responses to quick stretches. Dashed lines represent trend lines, and error bars are SEM. If the muscle bundle behaved as a linear system, neither T₂₃ nor T₉₀ would show any dependence on ΔL. Both T₂₃ and T₉₀ change with the magnitude of ΔL, indicating nonlinear behavior.