High-intensity interval training (HIIT) is one of the most popular exercise methods in the world today. This title examines the history of this versatile way to work out. It also explains both the physical and mental benefits HIIT provides, complete with instructions for a variety of HIIT exercises. 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. Glossary of key words Index Informative sidebars Sources for further research Table of contents There are hundreds of ways to exercise. From low-impact workouts such as walking or swimming to more intense high-impact activities such as running and lifting weights, how people choose to exercise depends on their individual preferences. Some options are derived from ancient practices, while others are relatively new ideas. Essential Fitness gives readers a detailed look at several popular exercise practices and explains their benefits for both the body and mind. The series also offers visual guides, as well as tips on the latest technology to help readers understand health and fitness. Aligned to Common Core Standards and correlated to state standards. Essential Library is an imprint of Abdo Publishing, a division of ABDO

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