Explores the structure of the muscles, how they work, and how they help our bodies to function. Also explains the illnesses and injuries that can affect our muscles, from cramping to paralysis, and outlines ways that we can keep our muscles healthy.

Includes index and glossary.

Introduction -- Different types of muscles -- Healthy muscles -- Exercise and muscles -- Skeletal muscles -- Inside a muscle -- Muscle attachments -- Working muscles -- When a muscle contracts -- Athletes' muscles -- Body-building -- Muscle problems -- Muscles of the head, face and neck -- Chest muscles -- Heart muscle -- Abdominal muscles -- Internal involuntary muscles -- Arm and hand muscles -- Leg and foot muscles -- Muscle diseases and problems -- What can go wrong with my muscles?