There's a reason why searching Google for the New York Times article "The Scientific 7-Minute Workout" yields nearly 100 million results: we all want an exercise routine that's quick, efficient, and delivers powerful results. In 7 Minutes to Fit, the scientific study's co-author presents 50 all-new high-intensity interval circuits that only require a chair and a timer. Award-winning personal trainer Brett Klika provides step-by-step explanations of basic exercise movements paired with illustrations so readers are ready to perform the workouts. With circuits devoted to full body, arms, legs, and core all wrapped up in a portable package, 7 Minutes to Fit is an at-home personal trainer perfect for busy parents, traveling professionals, or time-strapped students.

Brett Klika is a certified strength and conditioning specialist, a personal trainer, and a fitness consultant for health organizations and Fortune 500 companies around the globe. A former Olympic athlete trainer, Brett is the coauthor of the research study that inspired the New York Times' viral article "The Scientific 7-Minute Workout." He lives in San Diego with his wife and daughter.