As explained in this book, the body has both fast-twitch and slow-twitch muscle fibers. Using the information provided by the authors, the reader can determine the correct type of exercise program for his or her body type. Illustrations throughout.
Read More
As explained in this book, the body has both fast-twitch and slow-twitch muscle fibers. Using the information provided by the authors, the reader can determine the correct type of exercise program for his or her body type. Illustrations throughout.
Read Less
