Thank you, so that explains the 45-s rest mentioned.
I assume then each 4-s workout is followed by a 45-s rest. So 49-s * 5 = 245-s (4 min) spend each hour on the excercises.
I assume then each 4-s workout is followed by a 45-s rest. So 49-s * 5 = 245-s (4 min) spend each hour on the excercises.
You only need to rest four times!