Spending just 60 seconds a day on sit-to-stands — standing up from a chair...

https://www.slideserve.com/bandarnpto/what-to-do-when-kanna-feels-like-nothing-a-30-day-recovery-plan-for-people-read

Spending just 60 seconds a day on sit-to-stands — standing up from a chair repeatedly — might help maintain muscle strength as you age. It’s a simple, low-impact move you can try at home or work