Figure 1. Overview of the test protocol. Continuous glucose monitoring was performed during the 22 hour period of each of the three test days; The control day (CON) in the upper row, the day with exercise in the fasted state (ExBr) in the middle row and the day with exercise in the postprandial state (BrEx) in the bottom row. * = Measure of heart rate, oxygen consumption and respiratory exchange ratio (RER) values. B = Measure of perceived exertion (Borg scale). L = measure of blood lactate.