Scientific Workout: Total Body Circuit Training (Premium) app for iPhone and iPad

Fitness and science are inherently connected, and while a lab might seem like the furthest thing from a neighborhood gym, today’s exercisers owe an awful lot to smart people in white coats. Over the past two decades, one of those very important developments has been full shape moves,intense bouts of exercise mixed with short rest intervals.
When the routine is performed at a high enough intensity,it fulfills the guidelines for vigorous physical activity, combining both metabolic and resistance drill into one session.