博客來Quick Callanetics - the exercise routine designed to give you firm, tight stomach muscles in just 20 minutes a day.
Callan Pinckney revolutionized the fitness world with her unique program of deep-muscle exercise. The exercises in this book concentrate exclusively on an often troublesome area: the stomach. By following the simple routines within these pages you will soon tighten up your abdominal muscles and the result will be a sensational flat stomach - Quick Callanetics gets great results fast.
