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Figure 11


Fig. 11. (A) Time course of force and length of a 4.6 mm third abdominal segment ventral interior lateral muscle subjected to a simplified concensus crawling strain cycle and stimulus. The muscle is shortened by 28% in 0.95 s and re-lengthened in 0.87 s. Time course of force development by the same muscle preparation under tetanic stimulus is shown in Fig. 2. (B) Work loop during the crawling cycle in A. The loop does not close during strain cycling, but force returns to nearly starting values during a time interval representative of that seen between strain cycles in Fig. 10A.





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