5-10-15

You should be able to complete this three-exercise circuit (the name 5-10-15 stands for the number of reps of each exercise) in less than 15 minutes. But don’t let that short time frame fool you. This total body crusher puts the work in workout, hitting all the major muscle groups of the upper body as well as challenging your grip, glutes, and hamstrings. By the time it’s over you’ll feel as if you’ve just trained for hours on end.

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