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Comparison between moment arms of the Biceps femoris (anterior) (a), Pectineus (b), Semimembranosus (c) and Vastus intermedius (d) muscles within the mouse and rat (Johnson et al. 2008) hindlimb musculoskeletal models, scaled to respective thigh lengths. Mouse thigh length: 16.25 mm; rat thigh length: 35.00 mm.
