Fitness expert Phil Clark demonstrates how to do a proper weighted squat.Fitness expert Phil Clark demonstrates how to do a proper weighted squat -- without the pain!Fitness Tips diet or exerciseOur fitness expert compares the effectiveness of dieting minus changes in exercise vs. working out without any dieting changes.More weekly tip videos: How to burn as many calories walking as runningChoosing the right ab workouts Core exercises that help strengthen the lower body Exercises to strengthen the leg after an ACL injury Effects of ACL injuries and treatment Report a correction or typo