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. 2015 Oct 8;3:e1272. doi: 10.7717/peerj.1272

Figure 8. Summed abduction (A) and adduction (B) moment arms for quadrupeds (Kentrosaurus, Dyoplosaurus, Chasmosaurus) and bipeds (Lesothosaurus, Hypsilophodon, Stegoceras) across a range of hip flexion-extension angles.

Figure 8

All moment arms are normalized by femoral length. Negative values are adduction and flexion, while positive values correspond with abduction and extension.