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. Author manuscript; available in PMC: 2013 Jan 1.
Published in final edited form as: Methods. 2011 Nov 7;56(1):69–77. doi: 10.1016/j.ymeth.2011.10.015

Figure 3.

Figure 3

Transient step analysis. A length (top) and tension (bottom) trace from an IFM fiber undergoing a 1% muscle length increase in 0.5 ms. The four phases of the tension response are indicated along with calcium and stretch activated tensions. Stretch tension is typically 2-3 fold higher than calcium activated tension.