If you're not comfortable heading to a gym to use the stair-climbing machine, one area of the body that you can focus on with no equipment whatsoever is your butt.
Gluteal amnesia and "dead butt syndrome" are both terms used to describe what happens when your glute muscles forget how to activate and therefore your hips, low back and legs take the brunt of your movements that require your butt for proper form.
In fact, experts say that sitting for too long can cause this tightness and weak