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Though this workout is only four minutes long, it is very challenging and effective at spiking your metabolism. Do each exercise with maximum effort. If you can't make the entire four minutes without stopping, that's ok. Just catch your breath then keep going.

Workout Discussion

24 Apr
17 Apr
wego band broke, no max hr %. & fitbit is picky about giving me accurate hr..
19 Feb
20 Dec
23 Sep
23 Sep

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