HIIT Exercises for Obese People and How It Works

High-intensity interval training, better known as HIIT, is gaining in popularity in the exercise world these days, and for good reason. Many people prefer HIIT to regular steady-state cardio because the intensity of it is more exciting, and because you can burn calories in a shorter amount of time. HIIT is as difficult as it […]

What are the Fundamental Principles of HIIT Workouts?

Chances are, you’ve heard of high-intensity interval training, or maybe have seen it referred to as its acronym, HIIT. It’s grown in popularity in recent years as more and more scientific research has been published proving the effectiveness of HIIT workouts. It was voted one of the top fitness trends of 2020 by fitness professionals […]

Is High Intensity Interval Training Good for Football Players?

High-intensity interval training (HIIT) involves short bursts of rigorous cardio, followed by intermittent rest periods. It’s beneficial for any type of athlete, but especially for football players or those participating in multi-sprint sports. A multi-sprint sport is defined as “a sport… which involves a mixture of brief periods of exercise at maximum intensity followed by […]

10 Warm-Ups for Cardio

If you’ve ever been short on time, or just needed to power through a workout to get to the other side, you may have decided to skip the few minutes of warming up and jump right into your intense cardio routine. We’ve all been guilty of this — but the few minutes of warming up […]

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CTF is Chicago's Premier HIIT studio. Each class is guaranteed to be different with each visit. Our trainers design each class to include interval cardiovascular routines, mobility and strength training. Open to all fitness levels, this class puts first-timers and fitness die-hards side by side to make progress at their own level together in one community. **New Check-in Protocol: Everyone is required to sanitize shoes (Healthy Sole) and hands upon entering any CTF studio. Everyone is also required to take a surface temperature reading and must wear a mask at all times. During class, we will provide everybody with their own personal spray bottle to sanitize equipment between stations. **20,000+ Visits since Re-Opening & ZERO Covid-19 Cases!

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