This Is the Age When You’re Most Physically Fit

Researchers have pinpointed the age when people reach their peak physical fitness.

In an exhaustive 47-year study, researchers followed 427 people from ages 16 to 63, regularly measuring their height and weight, and testing their fitness by evaluating endurance on a stationary bicycle and the weight they could bench press.

They found that age 35 is the time of peak physical performance for both men and women, according to the study published in the Journal of Cachexia, Sarcopenia and Muscle. “There is no sex difference in decline with age,” researchers found. They also said that while physical decline is inevitable, active people experience a slower decline.

And the earlier you start moving, the better: “Individuals who were physically active in their leisure time at age 16 maintained higher aerobic capacity, muscular endurance and muscle power throughout the observation period,” the study says.

“This emphasizes the importance of early intervention to establish positive exercise habits in adolescence and early adulthood, as these patterns appear to have long-term benefits for physical function.”

But it doesn’t mean that once you’re 36, it’s all over: “It is never too late to start moving. Our study shows that physical activity can slow the decline in performance, even if it cannot completely stop it,” Maria Westerståhl, lecturer at the Department of Laboratory Medicine and lead author of the study, said in a press release from Karolinska Institutet.

“Now we will look for the mechanisms behind why everyone reaches their peak performance at age 35 and why physical activity can slow performance loss but not completely halt it,” she said, adding that the next step will be to evaluate the subjects when they are 68.

People magazine