That is because I can keep pushing - no matter how my body feels my mind can find room for a little more
I read about that as well. She has an anatomy/physiology textbook where it's written that the mental threshold is reached before the anaerobic threshold. In other words, when we are doing anaerobic exercise/effort we 'feel' pooped, long before we are physically pooped.
Eye of the tiger? I'm not convinced about that in her case! I shall just put it down to a chick thing.
