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10. 2. 2026 7:58
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At What Age is the Human Body at Its Peak Performance? Scientists Know the Answer

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Do you think your best shape is still ahead of you? New research shows that our physical peak comes sooner than many of us would like to admit.

The research was based on long-term data from the Swedish SPAF study, which follows the same group of people from adolescence to older age. This approach helped scientists capture how performance changes over time more accurately and suggested that previous studies might have underestimated the rate of decline.

A new study suggests that a person's physical performance has a peak. According to researchers, we hit this peak roughly between ages 26 and 36. The results are surprisingly similar for both sexes, especially when it comes to muscle endurance and aerobic capacity, which is the body's ability to perform long-term work.

Source Kitzbühel Tourismus

As reported by Science Alert, scientists point out that fitness decline begins around age 35, regardless of whether a person is active or not. Initially, it's a slight drop, but it speeds up with age. Natural muscle loss kicks in, especially significant after sixty.

The difference between men and women appeared mainly in muscle strength. Men reach their peak around age 27, while women do much earlier, at about 19 years old. However, the subsequent decline is very similar for both genders.

The good news is that it’s never too late to get moving. Although physical activity can't extend the age of peak performance, it can significantly slow down its decline. People who were active in their youth maintained better fitness throughout their lives. Those who started exercising in adulthood managed to improve their performance by about 10 percent, according to the study.