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Figure 9


Fig. 9. Elastic properties of the depressor mandibulae muscles. Red lines: 200 ms muscle stimulation prior to load clamp (N=3). Blue lines: 50 ms muscle stimulation prior to load clamp (N=2). Purple line: 100 ms muscle stimulation prior to load clamp (N=1). (A) Change in force ({Delta}F) vs displacement (xm) of the depressor mandibulae during load-clamp experiments. (B) Spring constant (km) as a function of the change in force ({Delta}F) during load-clamp experiments. (C) Linear regressions between coefficients c1 (N) and c2 (kg s–2) and muscle force (N). The coefficients describe the shape of the exponential function relating xm to {Delta}F (Eqn 9). Dotted lines show 95% confidence intervals for the regression slopes.





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