Figure 2. Exercise intensities and arterial stiffness. Relationship between exercise intensities and the change of A) central systolic blood pressure, B) pulse wave velocity and C) the reflection coefficient during exercise. Exercise intensities are defined by the mean relative oxygen uptake during an exercise session (VO_2mean, in ml/min/kg) related to the VO_2max of the all-out cycling ergometry [exercise intensity (%) = (100*VO_2mean)/VO_2max]. cSBP: central systolic blood pressure, PWV: pulse wave velocity; r_xy: Pearson’s correlation coefficient, p: p-value.