#1 Best AT HOME Test to Predict Longevity

This video also addresses maintaining muscle mass as you get older, which is so important to maintaining good health as you age.

WARNING! Legs Weaken First: 3 Exercises Every Senior Must Do

I like the way he explains that it's not just for maintaining strength and balance, but also how and why it's beneficial for your overall metabolic health. And how it's way easier than having to go to a gym for workouts.