As an athletic trainer for middle and high school sports for the last 13 years, I have worked with hundreds of young athletes. The youth sports world is an increasingly competitive one, and it’s not uncommon for students to play on multiple teams or in multiple sports—often playing year-round. Though many young athletes are looking to gain a competitive advantage and increase their strength and physicality, there are three basic but significant mistakes I see students make as they engage with sports. Knowing what these mistakes are and avoiding them will ensure that your young athlete is set up for success in their athletic endeavors.