Boxers make noise when they punch primarily as a way to coordinate their breathing with their movement, which enhances their power, form, and endurance. The noise typically happens on the exhale when the punch is thrown, helping to engage the core and the entire body to deliver a stronger, more efficient strike. This breathing technique also prevents getting winded too quickly, allowing boxers to maintain stamina during a fight. The sounds are not just intimidation tactics; they have a significant physiological purpose grounded in improving the effectiveness of the punch and overall fighting performance. Different types of noises can be associated with different punching styles and intentions (e.g., power punches vs. fast punches), impacting how the muscles and breath are coordinated for maximum impact and endurance.