iPhone app Hurtbox - HIIT Interval Timer

High Intensity Interval Training (HIIT) is a well-researched training protocol alternating short periods of intense exercise with brief recovery periods.

HIIT has many benefits for your health and fitness including:

HIIT burns a lot of calories in a short amount of time

HIIT may help you lose weight quicker than regular cardio

Your metabolic rate will be higher for hours after your workout

You might gain more muscle using HIIT

HIIT may improve your oxygen consumption

HIIT may help reduce blood pressure and blood sugar

Hurtbox keeps track of your work and rest periods during your workout so that you can focus on getting the most out of your interval workout.
Select from one of our pre-defined interval timers or create your own custom interval workout.,

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