Malaika Arora's viral workout video featuring an outdoor shoulder rotation wheel has sparked widespread interest in upper body fitness. Dr. Nitish Kapil, Sports Medicine Consultant at Fortis Hospital Jalandhar, details the science behind this simple exercise equipment. Rotating the shoulder wheel engages scapular muscles, improves joint range of motion, enhances posture, and boosts blood circulation across the wrist, forearm, and shoulders, maki…