Pages tagged webmd:

Most Effective Exercises Pictures Slideshow: Squats, Lunges, and More
http://www.webmd.com/fitness-exercise/slideshow-7-most-effective-exercises

Does Your Workout Work? These seven exercises deliver results — whether you do them at a gym or at home. Pay close attention to the form demonstrated by the personal trainer in these slides — good technique is a must for a safe, effective workout.