Two-a-days. They sound hellish—and maybe even dangerous—but there's a science to them you... http://greatist.com/fitness/safe-to-work-out-twice

The Surprising Truth About Working Out Twice a Day

Two-a-days. They sound hellish—and maybe even dangerous—but there's a science to them you... http://greatist.com/fitness/safe-to-work-out-twice

Note from TeamMona: Get Better at Pull-Ups ! Great, simple guide for beginners to more advanced. :-)

15 HIIT Workouts and Tabata Workouts

Note from TeamMona: Get Better at Pull-Ups ! Great, simple guide for beginners to more advanced. :-)

This workout is short, but it's not for the faint of heart. These timed circuits will test your strength and endurance for every part

The 15-Minute Full-Body Massacre Workout

This workout is short, but it's not for the faint of heart. These timed circuits will test your strength and endurance for every part

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