Fig. 4From: Exercise in space: the European Space Agency approach to in-flight exercise countermeasures for long-duration missions on ISSMaximum workload during the first cycle ergometry session of Phase 2 and the last session of Phase 3 (and of the mission). Phase 2, Main Phase; Phase 3, Preparation for Re-entry Phase. The median line is indicated in the boxplots. *Different (P ≤ 0.05) vs. the first of Phase 2Back to article page