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I'd check out YouTube, there are tons of HIIT "classes" that you can do at home for zero or minimal cost. But there are also more specialised classes if you ha
by Someone1234 7y ago
I'd check out YouTube, there are tons of HIIT "classes" that you can do at home for zero or minimal cost.
But there are also more specialised classes if you have some equipment or are a certain body composition (e.g. easier on the knees).