Explains the proper technique for 30 different exercises, along with the benefits and risks associated with each. Modifications are provided for various special populations, and sample workouts are included to help fitness professionals create balanced, safe routines. Exercise science is also covered as it applies to this fitness modality. Includes over 80 photographs and illustrations. Shirley Archer, J.D., M.A., is a certified Pilates and yoga instructor, group fitness instructor, and personal trainer, and has been a fitness professional for more than 20 years and a wellness professional for 14 years. She is a health educator with the Health Improvement Program at Stanford University School of Medicine. Archer is an international presenter and the author of numerous books.