A comprehensive operator’s manual for the body, this newly updated guide provides the science, anatomy, precise definitions, and illustrations necessary for the proper application of knowledge to help keep the body healthy. It provides a current and concise understanding of why people should stretch, what a stretch is, and how to stretch properly. The accurate, science-based stretching information provided here will help prevent dangerous muscle imbalances and common, incorrect stretches that often cause or contribute to functional damage of the feet, knees, hips, pelvis, and spine.