Compared to heavy bag work, shadow boxing delivers more significant benefits than a general boxing workout. The heavy bag is not the most effective way to practice your technique. It's because of this reason that boxers shadowbox every day. Boxers are able to improve their punching forms and avoid bad habits by doing it. In addition, beginners use the heavy bag without paying attention to form, especially if they don't have boxing coaches. The boxer will be affected in all dimensions if he or she misuses the heavy bag, especially in terms of balance. Don't get me wrong, beginners should still use the heavy bag, but they need to use it properly in order to get the full benefit.