Dr. Krista Fazio / Rehab, Injury and Exercise Expert on Instagram: "🚨Fix your hips! Send this to someone who struggles with poor squat mobility & hip pain! Most people think their hips pinch in a squat because they’re “tight.” But in reality, the problem is almost always poor hip internal rotation and impaired femoral mechanics, not flexibility. Here’s what’s actually happening inside the joint👇 During a deep squat, the femur must posteriorly glide and internally rotate inside the acetabulum (