PHIIT Gym in Knoxville TN

Personal High Intensity Training (PHIIT) is a fast-paced small group class built on intervals of intense exercise with brief recovery periods. Led by a personal trainer to ensure proper technique, intensity and duration, PHIIT burns calories and tones muscles.

PHIIT is great for exercise beginners or those who prefer a small group setting. Try it out with a free, 3-day pass — or schedule time with a personal trainer — to find out if PHIIT is right for you. The National Fitness Center in Knoxville, located on Tazewell Pike, offers numerous services and amenities to suit every age and fitness ability.