Extension of the MS duration (top) and helium-burning phase (bottom) with respect to the non-rotating case for Z = 0.014 (red) and Z = 0.002 (blue), for clarity we did not plot the results for Z = 0.006, which behave much like Z = 0.014. Three rotational velocity rates are shown: ~0.43% (dotted line), ~0.83% (dashed line) and higher than 90% of critical (continuous line).