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. 2017 Mar 22;7:290. doi: 10.1038/s41598-017-00485-1

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© The Author(s) 2017

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Fascicle shortening among joint angles and conditions. Mean fascicle length ± SD measured at each twitch contraction condition: DF20, white squares; PF0, white triangles; PF20, black circles. (a) Significant difference between DF20 and PF0 (P < 0.05). (b) Significant difference between DF20 and PF20 (P < 0.05). *Significant difference among conditions (P < 0.05).