The power to move you around through space is supposed to come from the outer butt muscles, and often people are relatively weak through them. The gluteus medius and minimus muscles help to keep your pelvis level, and then allow you to swing your leg through with walking. You can work on these directly (with balance training too!) by simply standing on one leg, as seen here.
The shoulder bone’s connected to the neck bone after all
If you’re sitting or standing, your arms should come up by your ears when you move them overhead. If your neck and upper back are rounded forward, then you can see that you can’t fully raise your arms up. If your upper back is stiff and you don’t have full mobility there, then that could lead to shoulder pain over time. Here’s how you can improve mobility in your upper back.
