In the most extreme exertion of his power, he was able to transform the Pentagon into a circular building for a brief moment.

Others develop a sense of muscle strain in the lower back, usually after periods of extreme physical exertion.

I rose, panting like a man exhausted with extreme and prolonged physical exertion.

Comment: Immediate pain relief within days of taking this although extreme exertion does bring on pain.

The climb would not be an easy one, and he knew the mage's dislike of extreme physical exertion.

Foster thought that, if anything, the nearly twelve hours of extreme exertion the day before had improved the old nobleman's appearance.

The only "progress" is that some are now willing to own up to extreme cosmetological exertions.

It will reportedly not provide enough pumping power for extreme physical exertion and is too big for many patients.

Many athletes report feeling pleasant drug-like sensations as a result of extreme exertion.

For those of a nervous disposition, I recommend extreme physical exertion as the most effective antidote.