You stand up after sitting for a while… and there it is. That stiff, aching feeling in your knee. Maybe it takes a few steps before it loosens up or maybe it doesn’t at all. Climbing stairs feels harder than it used to. Squatting down? Forget it. If you’re between 40 and 65, this kind of knee discomfort is incredibly common. But here’s the good news: not all knee pain means something serious and in many cases, you can start relieving it in just a few minutes a day. This guide will walk you through what’s really causing your pain, what actually helps (based on physical therapy principles), and a simple 5-minute routine you can start right now. Why Your Knee Hurts (And What It Really Means) Knee pain rarely comes out of nowhere. Most of the time, it’s a combination of wear, weakness, and movement habits that have built up over time. Here are the most common causes: 1. Knee Osteoarthritis (Wear and Tear) This happens when the protective cartilage in your knee gradually wears down. It can ...