131: BOSU®: HIIT Extreme WS
Discover the science of high-intensity interval training and its application to both fitness and sport. Take home a variety of short, plug-n-play high-intensity interval sequences that are realistic for both high-level athletes and mere mortals, and are guaranteed to raise your heart rate, fitness level, calorie expenditure and the FUN factor! Intense, focused, efficient, challenging, rewarding, and jam packed with action from start to finish.
By Shannon Fable, Keli Roberts