endurance

Period symptoms such as fatigue, cramps, hormonal fluctuations, and digestive issues can have an impact on strength, endurance, focus and recovery.

But there are other explanations for the president’s endurance against the odds.

The increase in muscle could take away his speed, one of his most lethal weapons, or sap his endurance during long rounds.

Anybody who has had to train for an endurance event - or is even vaguely familiar with buzzwords of the corporate world - will know about the concept of getting comfortable being uncomfortable.

Marc Pierrat’s mind once ran as smoothly as the gears on his endurance bike.