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High-intensity interval training was associated with improved glycemic control and cardiometabolic outcomes among patients with type 2 diabetes.

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or HIIT, H-I-I-T. What we'll do is 20 seconds of an exercise, pushing as hard as you can, then taking 10 seconds' rest. We'll repeat that eight times, so the whole workout will take only four minutes.

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Long-term high-intensity interval training may reduce the risk for the decline of kidney function in older adults, a study ...

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SIT is, in fact, a type of HIIT. Sprint interval training refers to exercise routines where you run as hard as you possibly can (or nearly as hard) for a short time, typically 30 seconds.