Definition
The full breakdown. What it is, why it matters, how to use it.
HIIT alternates 20–60 seconds of near-maximal effort with 1–3 minutes of rest, repeated 6–10 times. It builds VO2max and burns calories efficiently, but stacks recovery demand on top of lifting. Use 1–2 sessions per week max if you're also training hard with weights.
Q & A
Real Questions
Question 01
Is HIIT better than steady cardio for fat loss?
No — total weekly calories burned matters most. HIIT is more time-efficient but less recoverable than Zone 2.
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