What if I told you that protecting just four specific muscle groups could be the difference between living your best, most independent life at 80 and being stuck at home at 65, needing help just to get out of a chair? I know that sounds dramatic, but it’s a reality I see play out every single day in the emergency room. So many people assume that getting older inevitably means walking slower, hesitating at curbs, and needing to push yourself up from a seated position. People just