[Lisa Zeilman]

Would I be able to substitute an upright exercise bike for spin bike to do the spin surge cardio workout? … my gym does not have any spin bikes :/

[Lisa Zeilman]

Maureen- thank you for your quick response! Much appreciated 🙂

[Lisa Zeilman]

For tomorrows cardio acceleration workout, do we do 30 sec of each exercise straight through or are there rest periods?

[Author]

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