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  5-minute Upper Body HIIT Workout by D...

  5-minute Upper Body HIIT Workout by D...

  Dan Jansen Upper Body HIIT Workout

  Upper Body HIIT Workout by Dan Jansen-

  This workout routine pairs upper body strength exercises with core and lower body strength and endurance exercises.

  Olympic Gold Medalist and 8-time world record holder in speed skating, Dan Jansen will show you how he ...