Figure 3.

(A–F) Moment arms around hip for gluteus maximus, gluteus medius, rectus femoris, gracilis, semimembranosus, semitendinosus, biceps femoris long head and ischiofemoralis. Data from this study (Goh), eastern lowland gorilla (Gm) and western lowland gorlla (Gj) of Payne et al. (2006b). MA/femur refers to MA divided by femur length to account for differences in body size. Y‐axis: flexor moment is negative, extensor is positive. X‐axis: negative angle refers to extended, positive to flexed, and zero to the neutral position.