Evaluation of linear and non-linear activation dynamics models for insect muscle
Fig 5
Values of force potentiation factor c as a function of inter-spike interval.
Both SETi (A) and FETi (B) panels show data from two animals (different symbols for different animals). For each symbol, factor c was calculated after frequency-specific optimisation of θ4 to measured force traces, as shown in Fig 3. Fits are Michaelis-Menten-type functions according to Eq 6 (solid and dashed lines). Each function fit was weighted by the stimulus frequency, improving fit quality at small inter-spike intervals.