Flexibility and balance are key qualities of a healthy body for athletes and non-athletes alike. This title examines the history of flexibility and stability and their applications to everyday life. It also offers how-to guides that will keep readers feeling strong, limber, and stable. Features include a glossary, references, websites, source notes, and an index. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO.