. 2016 Feb 1;12(1):21–28. doi: 10.12965/jer.150255
Copyright © 2016 Korean Society of Exercise Rehabilitation
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fig. 5.
Prone active straight leg rising for measuring active hip extension.