Who's ready to tackle Day 21 of #RockYourResolution? Your mission today, if you choose to accept it, is to try a Tabata interval! You can pick any cardio exercise of your choice for this interval. Go hard for 20 seconds, followed by a 10-second rest. Repeat the cycle 8 times for a total of 4 minutes! To learn more about Tabata intervals, check out this article: http://www.sparkpeople.com/resource/fitness_articles.asp?id=1720 | via @SparkPeople #fitness #newyear #resolutions #challenge #goals
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