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. 2019 Jan 25;4(1):10. doi: 10.3390/biomimetics4010010

Figure 6.

Figure 6

Comparison of hindlimb moment arms calculated using the AnimatLab model to data from Johnson et al. [17] and Charles et al. [18] (data adopted from [18], published under the Creative Commons Attribution (CC BY) license [24]). Moment arm profiles were developed for muscles under single-joint motion of (A,B) the hip, (C,D) knee, and (E,F) ankle. Joint angles follow the zero-angle convention established in the existing models. Joint configurations (yellow/blue) are provided for reference with the zero-angle noted. y-Axes are moment arm lengths normalized to the model’s femur length.