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. 2013 Mar;141(3):335–345. doi: 10.1085/jgp.201210915

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© 2013 Li 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. — Length–tension relationship and maximal active force in skeletal muscles. Data from 4-dpf control (open symbols) and desmin morphant (closed symbols) zebrafish larvae are shown. Muscles were stimulated to give single twitches. (A) Force and length values are given relative to the respective values at optimal length (L_opt). (B) The maximal active force at L_opt is presented. n = 6; *, P < 0.05. (C) The equatorial 1.0 spacing (top) and active force (bottom) of the muscles at L_opt examined at different osmolarities. Control (open symbols) and desmin morphants (closed symbols) are shown, n = 4 in each group. Error bars indicate mean ± SEM.