📌 Rotator Cuff Is made of 4 small stabilizer muscles that hold your shoulder ball in the socket while your arm moves. Think of them like the cables on a suspension bridge. The bridge (your shoulder) can handle massive loads—but only if the cables (rotator cuff) are doing their job. Here’s what happens when you don’t train these: 🔹Age 30-35: Minor tweaks. Occasional soreness after workouts. You ignore it. 🔹Age 35-40: Pain reaching overhead. Sleeping on that side gets uncomfortable. You stretch