A personal trainer shares how to successfully perform circuit training and how it can help build your best abs yet.

That spring, Fairchild began a push to build what they called "unitary circuits" and they also applied for a patent on the idea. Knowing that TI had already filed a patent on something similar ...

Circuit training combines various exercises for effective weight loss and muscle gain, ideal for busy schedules and improving ...

The workout is made up of 3 separate circuits; perform 3 rounds of each circuit before moving onto the next. Each circuit begins with an all-out 60-second sprint on the air bike, followed by 3 ...