Figure 8
Cranial displacement of diaphragm motions during breathing and phonation; larger rip cage diameters during phonation in supine body position. Mean raw data for three subjects with standard error in cm is displayed on the y-axis, normalized time on the x-axis for each location. Dashed lines represent supine, solid lines upright data. Different shades of colour represent vital capacity inspiration/ expiration and sustained phonation. For better comparability, vital capacity maximum inspiration and expiration are included as horizontal lines.
