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Supplemental Information

Movie S1

Musculoskeletal model of the right and left pelvic limbs of an ostrich, visualized statically to show 3D anatomy represented in the model; posed at mid-stance of running (right limb) and corresponding swing phase (left limb).

DOI: 10.7287/peerj.preprints.513v1/supp-1

Supplementary Figures S1-S4

Hip muscle moment arms in long-axis rotation (LAR) or ab/adduction plotted against hip LAR or ab/adduction angles (cf. Figures 12-15 plotted against hip flexion/extension angles), for key proximal thigh muscles. See caption for Figure 9.

DOI: 10.7287/peerj.preprints.513v1/supp-2

Additional Information

Competing Interests

John R Hutchinson is an Academic Editor for PeerJ.

Author Contributions

John R Hutchinson conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Jeffery W Rankin conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Jonas Rubenson conceived and designed the experiments, performed the experiments, wrote the paper, reviewed drafts of the paper.

Kate H Rosenbluth conceived and designed the experiments, performed the experiments, analyzed the data, reviewed drafts of the paper.

Robert A Siston conceived and designed the experiments, performed the experiments, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Scott L Delp conceived and designed the experiments, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Funding

This work was completed as part of a postdoctoral fellowship from the National Science Foundation awarded to J.R.H. in 2001, and subsequent funding from the BBSRC, grant number BB/I02204X/1, as well as the Leverhulme Trust (grant number RPG-2013-108). Additional support was provided by the Biomechanical Engineering Division at Stanford University, and from The Royal Veterinary College, Department of Comparative Biomedical Sciences. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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