Sit at a desk all day? Can’t get depth in your squats? Low back still hurts no matter how much you stretch? Feel like your hips are weak? A 90/90 Passive Range Hold strengthens your hips where they’re usually weakest — in rotation. It helps you control your hips at the end of your range, building strength and stability through internal and external rotation. That means: ✅ Deeper, smoother squats ✅ Less hip and low back tightness ✅ Better joint health and movement control Most people only train t