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Test your power and endurance with this full-body move for time.
The four-move body-weight workout for maximizing fat loss.
Are you up for this week's core-centric challenge?
Find how switching your reps mid-set can bring on big muscle gains.
An endurance-building, fat-burning circuit.
More reps means a better place in the standings!
Amp your upper body strength to be ready for the race.
After form and speed, we now up the power!