Squats are a weight training exercise that involves lowering the body and raising it again, targeting the legs and core. Learn how to do squat exercises in this strength training video. Take action: keep back straight & flexed, keep knees over heels, stick butt out to maintain safe posture, and look forward. Tom Clifford, the instructor in this how-to video, has a degree in physical education, fitness and health from Eastern Michigan University, where he ran track and cross-country. Tom has worked as a personal trainer for two years. He also has a separate business where he coaches runners and triathletes for upcoming events. He currently works at Gold's Gym in Wilmington, North Carolina. Watch this video body sculpting tutorial and learn how to do weighted squats to strengthen the legs.