. 2014 Sep 2;2014:573276. doi: 10.1155/2014/573276
Copyright © 2014 Wiesław Chwała et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 2.
Measurement position during the S 1 exercise.