Forget sit-ups — build a stronger core and boost your balance with this 25-minute standing abs workout

May 23, 2024
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Ugh. HIRT? Come on, we all know it's just HIIT, renamed to try and grab attention.
It is a very similar technique, but the aim of HIRT is primarily to build strength. Some HIIT routines feature the same exercises (especially the bodyweight core moves), but the aim is to raise your heart rate, so you'll also likely see more exercises like burpees and running on the spot.