Spending just 60 seconds a day on a simple activity like sit-to-stands—standing...

https://fun-wiki.win/index.php/How_Do_I_Stop_Forgetting_to_Do_My_60-Second_Workout%3F

Spending just 60 seconds a day on a simple activity like sit-to-stands—standing up from a chair repeatedly—might support mobility and muscle strength as you age. While it’s no magic fix, this easy exercise can be done at home and fits into a busy day