She overexerts herself at work and then regrets it the next day.

Don't overexert yourself lifting those heavy boxes alone.

Overexertion during the hiking trip left her exhausted and requiring a day of rest.

She overexerted herself during the marathon and had to rest for days.

She kept overexerting herself during training, which led to a stress fracture.

Athletes often suffer long-term injuries because of repeated overexertions during training.