All people require certain elements of physical strength to get through their daily routines, and strength training is more than just piling heavy weights on a barbell. This title examines the many ways people can get stronger and how those methods benefit both athletic performance and everyday life. 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.