About the Authors

Jonathan C. Erickson

ericksonj@wlu.edu

Affiliation Department of Physics-Engineering, Washington and Lee University, Lexington, Virginia, United States of America

María Herrera

Contributed equally to this work with: María Herrera, Mauricio Bustamante

Affiliation Department of Physics-Engineering, Washington and Lee University, Lexington, Virginia, United States of America

Mauricio Bustamante

Contributed equally to this work with: María Herrera, Mauricio Bustamante

Affiliation Department of Physics-Engineering, Washington and Lee University, Lexington, Virginia, United States of America

Aristide Shingiro

‡ These authors also contributed equally to this work.

Affiliation Department of Physics-Engineering, Washington and Lee University, Lexington, Virginia, United States of America

Thomas Bowen

Current address: Plant Biomechanics Group, University of Freiburg, Freiburg, Germany

‡ These authors also contributed equally to this work.

Affiliation Department of Physics-Engineering, Washington and Lee University, Lexington, Virginia, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JE MH MB. Performed the experiments: MH MB AS TB. Analyzed the data: JE MH MB TB. Wrote the paper: JE MH MB AS TB. Designed and constructed spherical treadmill: AS. Constructed neural-electric stimulus hardware: MH MB AS.