Muay Thai is a martial art that uses punches, kicks and elbow strikes to defeat an opponent. Heavy Muay jump ropes are a common practice in Muay Thai because they improve the user's punching power and agility. Jumping rope also helps the user to cardio-vascular fitness, which is essential for Muay Thai athletes.Muay Thai fighters use heavy jump ropes to increase the power and speed of their punches. Jump rope workouts are a great way to improve your cardiovascular fitness and overall muscle strength. They also help you to maintain balance, coordination and agility while training.