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Time for a HIIT Blast and some chest work! Has your endurance been increasing after doing these workouts for two and a half weeks? It should be! Track your progress by using a heart rate monitor!My Polar FT4 in red is the one thing I cannot go to the gym without:WARM UPEach workout should be started with a full warm up! Try this one out.

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4 Weeks 2 Fit ~ Chest & HIIT Blast Day 13 – Best Fit Body

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