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. 2009 Dec 28;10(1):176–202. doi: 10.3390/s100100176

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©2010 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/)

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Figure 6. — Comparison of the two types of apparatus that Masuda et al., developed. A, B: Calibration lines for the measurement of multidirectional lip-closing force for devices using air-pressure sensors and strain gauges, respectively. The output of each apparatus is represented by voltage (V) in the abscissa and force (gram-force (gf)) in the ordinate. C: Radar chart of the impulses of lip-closing force in one subject. The blue and pink lines indicate multidirectional lip closing, as measured by devices using air pressure sensors and strain gauges, respectively.

Figure 6. — Comparison of the two types of apparatus that Masuda et al., developed. A, B: Calibration lines for the measurement of multidirectional lip-closing force for devices using air-pressure sensors and strain gauges, respectively. The output of each apparatus is represented by voltage (V) in the abscissa and force (gram-force (gf)) in the ordinate. C: Radar chart of the impulses of lip-closing force in one subject. The blue and pink lines indicate multidirectional lip closing, as measured by devices using air pressure sensors and strain gauges, respectively.