Aging, it turns out, can do a number on your muscles. Humans typically lose muscle mass as they get older. Fat and connective tissue also start invading, affecting the muscles’ ability to contract. Furthermore, muscles can no longer suck up oxygen at the same rates.
However, a new study questioned if these age-related muscle declines are inevitable, or if regular exercise—cycling, in this case—can slow down or even reverse them.
To figure this out, researchers at King’s College in London biopsied the vastus lateralis muscle—the largest and most powerful part of the quad—in 125 male and female cyclists. Participants were all between 55 and 79 years old and deemed highly active (meaning the men could bike at least 62 miles at 15 mph, and the women 37 miles at 7 mph, twice within three weeks).
The researchers then analyzed muscle properties related to aerobic function and explosive muscle power. They found that, compared to sedentary populations, the cyclists showed less age-related muscle deterioration. That is, at the tissue level, muscle mass and strength stayed intact.
Read more at Bicycling.