FORGE PT & Performance | Sports Performance Rehab on Instagram: "Lateral box lunge for golfers Targeted lateral box lunges are one of my favorite ways to train hip depth and true frontal-plane mobility for the golf swing. By learning to sit into the hip instead of drifting toward the ball, you build the control needed to maintain posture throughout the backswing and downswing. Benefits for your swing: 1. Better ability to keep hip depth = more consistent low point and cleaner ball-first contact.