Proper breathing techniques affect athletic performance by enhancing oxygen delivery to muscles and maintaining energy levels. Controlled breathing helps regulate heart rate and reduces stress, allowing athletes to maintain focus and intensity during physical exertion. Techniques such as diaphragmatic breathing can maximize lung capacity, improving endurance and performance. In sports requiring precision, such as archery or shooting, proper breath control can stabilize posture and enhance concentration. Overall, implementing effective breathing strategies into training can significantly improve an athlete's performance and efficiency, contributing to successful outcomes in competitions.