https://www.youtube.com/watch?v=Ci5hPz9T1gw What’s better posture, this, this, or this or this or this? In this video, I will show you the number one ...

https://www.youtube.com/watch?v=VVL-8zr2hk4 Did you know that when you take a step, a staggering 200 muscles work in perfect harmony to lift your foot, ...