. 2013 Jan 1;3(4):e4. doi: 10.5037/jomr.2012.3404
Copyright © Armijo-Olivo S, Magee D. Published in the JOURNAL OF ORAL & MAXILLOFACIAL RESEARCH
(http://www.ejomr.org), 1 January 2013.
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Figure 2.
Set up for measuring maximal voluntary strength and endurance of the cervical flexor muscules.