exertion

The economy has shifted away from jobs requiring direct physical labor toward more sedentary jobs owing to computerization and mechanization, making age-based disability standards that assume jobs require physical exertion outdated and ripe for reform.

It has meant more drills, more running, more exertion.

For athletes, it represents the process of learning to cope with long, draining physical exertions, while in business terms it might be the exposure to new and challenging experiences.

The latest issue has centred upon Chelsea and City, who both wanted a delayed start to the new campaign given their summer exertions.

It could be that he was simply taking care after his prior exertions in this match, and with the fifth Test at The Oval beginning on Thursday.