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. Author manuscript; available in PMC: 2013 Sep 1.
Published in final edited form as: IEEE Trans Biomed Eng. 2012 Sep;59(9):2642–2649. doi: 10.1109/TBME.2012.2208746

Fig. 4.

Fig. 4

Fig. 4

Fig. 4

First test. Values of (a) tendon strain and (b) fiber length variation averaged over the entire duration of all dynamic trials for all subjects. (c) Ensemble average of the experimental KFE moment (reference) is compared to that estimated using the infinitely stiff-tendon muscle model (SHM) and to that estimated using the elastic-tendon muscle model (EHM). The standard deviation of the ensemble average of the reference KFE moment is represented by the dotted lines and the shaded area. Reference moments were obtained using RRA (see Section II-B). MTU names are defined as in Section II-C.