Professor Explain 🤯 on Instagram: "Every stroke in swimming is a full-body resistance workout. Your legs drive propulsion, your core works constantly to stabilize you in a low-buoyancy environment, and your shoulders and lats pull your entire body through water—a substance 800 times denser than air. Every movement demands strength, coordination, and precise technique. This is why competitive swimmers build exceptional cardiovascular endurance and serious muscle power. Maintaining speed and form