Having lumbar mobility and control over your pelvic tilt is vital it lets you move freely in and out of position. Here’s one big reason why: Your diaphragm attaches to the lumbar vertebrae. If your lumbar spine can’t move well, it changes the diaphragm’s resting length and pull which can keep your ribs flared even at rest. And that’s just one factor. There are different types of rib flare, different types of tilts we get stuck in, and different types of muscle imbalances. To address your rib fla