Spending just 60 seconds a day on a simple activity—such as doing sit-to-stands...

https://juliet-wiki.win/index.php/What%E2%80%99s_a_60-Second_Workout_for_People_with_Tight_Calves_from_Walking%3F

Spending just 60 seconds a day on a simple activity—such as doing sit-to-stands from a chair—might support healthier ageing. It’s a small way to keep muscles engaged, which is important as we get older