Article History
First Online: 20 November 2018
Compliance with Ethical Standards
:
: This study was performed in accordance with the ethical standards of the Declaration of Helsinki. Ethics approval was obtained from the University of Colorado Institutional Review Board (Protocol# 15-0114).
: Informed consent was obtained from all individual participants included in the study.
: The running shoes used for this study were provided by Nike, Inc.
: Wouter Hoogkamer and Shalaya Kipp have no conflicts of interest relevant to the content of this article. Rodger Kram is a paid consultant to Nike, Inc.