Watch: Personal trainers Jeannine and Nathalie provide a six part workout series, get your free HIIT training session right here
It's time for HIIT training, so grab your gym buddy and get ready for a short, sharp burst of energy.
Jeannine and Nathalie from 1sculpt have designed this workout so that everybody can get involved, encouraging us all to get up and get fit in just a few short sessions.
Make sure you check out all their videos, and even try the whole 60 minutes worth, if you're feeling brave!
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