Are you tired of putting in the effort at the gym and not seeing results?You’re not alone—many people show the drive, determination, and consistent effort, but don’t reach their goals. If this sounds familiar, the next logical step is usually to find an educated personal trainer with proven experience.But if you’re not ready to take that step—or if you’d prefer to go it alone—then you can do that, too.To help you out, we spoke to some of the nation’s finest personal trainers. Check out their 25 insightful fitness tips and strategies specifically designed to help you build strength, gain muscle mass, lose fat, enhance your endurance, and maintain healthy eating habits.