Updated to include quick reference tables, an overview of the gross anatomy of the body area and the nerve pathways that are most relevant, and a new chapter on the pelvic floor muscles, the fourth edition of this authoritative, best-selling book offers a comprehensive introduction to the muscular system. This newly revised fourth edition of The Concise Book of Muscles is a comprehensive guide to the major muscle groups. Fully illustrated with more than 500 drawings, and easy to use, this compact reference provides a complete profile for each muscle, clearly showing its origin, insertion, nerve supply, and action, the movements that use it, and, where appropriate, exercises that stretch and strengthen it.