Researchers found that how often older adults switch from being active to sedentary can impact their physical function. This study analyzed data from 531 adults aged 70 and over, using wrist-worn activity trackers to measure activity levels and a physical performance test to assess their function. The results showed that higher levels of activity fragmentation—frequent transitions from active to inactive states—were linked to lower physical performance and an increased risk of decline in physical function over a year.

For those wanting to age well, this finding is significant. If you’re over 70 and notice that your activity levels fluctuate a lot, it may be a sign that you’re at risk for declining physical abilities. Specifically, individuals with a baseline physical performance score of 6 or lower were more likely to experience a decline in function as their activity fragmentation increased. This suggests that maintaining consistent activity levels could be crucial for preserving strength and mobility as you age.

The study highlights the importance of monitoring physical activity patterns, suggesting that activity fragmentation could serve as a useful indicator of potential declines in physical function. However, it’s important to note that this research is based on observational data, which means while the findings are compelling, they are not definitive proof of cause and effect. More research is needed to confirm these results and to explore how best to address activity fragmentation in older adults.

To promote better physical function, consider finding ways to maintain a steady level of activity throughout the day, rather than allowing long periods of inactivity to creep in. Simple strategies like setting reminders to move or engaging in low-impact exercises could be beneficial.

For more information, see the original study published in Oxford Academic.