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Supplemental Information

statistical data

Those are the changed data of mean force and s.d. with the variation of stance period.

DOI: 10.7287/peerj.preprints.2324v1/supp-1

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Rui Zhang conceived and designed the experiments, wrote the paper, reviewed drafts of the paper.

Qiaoli Ji conceived and designed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables.

Gang Luo performed the experiments, analyzed the data, wrote the paper.

Shuliang Xue performed the experiments, analyzed the data, wrote the paper.

Songsong Ma performed the experiments, analyzed the data, wrote the paper.

Jianqiao Li contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Lei Ren conceived and designed the experiments, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Animal Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

All living and experimental conditions were approved by the Institutional Animal Care and Use Committee (IACUC, protocol number: 20140706) of Jilin University, P.R. China.

Data Deposition

The following information was supplied regarding data availability:

The raw data has been supplied as a supplementary file.

Funding

This study was supported by the National Natural Science Foundation of China (No. 51275199), the Science and Technology Development Planning Project of Jilin Province of China (No. 20140101074JC) The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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