Your gluteus maximus can shut off after just 8 hours of sitting. 4 moves reverse the damage. If your belly pokes out even though you’re not overweight, the problem probably isn’t your core. When you sit all day, your hip flexors shorten and pull the front of your pelvis downward. At the same time, your gluteus maximus and gluteus medius go completely dormant. They stop firing. Your hamstrings stiffen to compensate, your lower back takes over the stabilization job, and your pelvis tilts forward into what looks like a permanent belly pooch. It’s not fat. It’s a postural dysfunction driven by muscles that forgot how to work. The frustrating part is that no amount of crunches or planks will fix it, because the root cause isn’t weak abs. It’s a chain reaction that starts in the glutes and pulls everything else out of alignment. This reel walks you through the full cascade, from chair to compensation, and gives you four specific drills that target the hip flexors, gluteus medius, gluteus ...