In this comprehensive workout guide for marathon runners experts Dr. Philip Striano and Lisa Purcell create a detailed exercise program devised to strengthen and stretch the major muscle groups used in running and jogging, including:rn* Warm-up and cool-down stretchesrn* Strectches that arget both the primary and secondary muscle groupsrn* Step-by-step photosrn* How to get started, what to wear…