Combined Effects of Long-Term Sitting and Whole-Body Vibration on Discomfort Onset for Vehicle Occupants
Figure 4
Mean discomfort scores for the three studies (left column) and fitted data (right column) according to the four-parameter model. Contour lines track integer discomfort scores. White: <2, light grey: 2-3, medium grey: 3-4, dark grey: 4-5, black: >5.