Heavy Bag Workouts – for MMA, Muay Thai, Kickboxing and Boxing. These conditioning workouts are great to help you increase punching and kicking power, endurance, speed and overall cardio conditioning. Develop Explosive Upper Body Power and StrengthBuild Up Your Cardio and Stamina with HIIT Heavy Bag Circuits. Improve Your Punching Power for Knockout Blows. Increase Kicking PowerShoulder and Overall Muscular Endurance. Learn to Throw Lethal Combinations. Improve Your Striking Technique. Lose Weight. Attain More Muscle. Have More Confidence.