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45-Minute Treadmill Pyramid Intervals
just do it.
FITSPIRATION. Summer Lovin!
Links to LOTS of workout videos - including p90x, zumba, and insanity - streamed for free! sweet!
Repeat this cycle 2x right when you wake up in the morning :) 50 jumping jacks 5 pushups 20 sit ups 20 mountain climbers 30 second plank 7 burbees ..