“Back day” has become a staple of fitness social media, often framed through aesthetics alone.

Chair exercises for upper body strength after 55, created by Tyler Read, BSc, CPT, to rebuild pushing and pulling power.

There’s a good chance you’re reading this hunched over. If you’re at your desk, your shoulders are likely rounded and creeping toward your ears. Ditto if you’re looking at your phone right now. Most ...