It makes you look weird, hides your abs, and can even cause chronic stress.
Here's how to fix it: 🧵
No, your ribs didn't grow wrong.
(I thought that for years too)
So what causes rib flare?
Poor posture, limited mobility & weak abs - which leads to an ineffective diaphragm:
Rib flare shrinks the ZOA.
It forces the ribs into external rotation (up and out), elevating the rib cage and pulling the diaphragm upward - resulting in shallow, upper-chest breathing that fails to fully oxygenate the lungs.