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So this week I put it to the test. I jumped on my treadmill and instead of running for 15 minutes I performed 15 minutes of sprint intervals (30 seconds on, 30 seconds off, with progressively increasing speeds). The results were amazing! I was GASSED by the end of it! My heart rate shot up higher than it normally does and I definitely felt the burn in muscles that I don’t otherwise. I was so excited about it, I couldn’t wait to sit down and type it out for you (which brings us to today’s workout!)! So here it is – below you’ll find the sprint interval I did along with my follow-up ab day. The whole thing took me about a half hour. So are you ready? Keep reading below to smash this workout!
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