Extreme ABS Challenge (300 REPS NO REST!!)
[aoa id=’0′][dn_wp_yt_youtube_source type=”101″ id=”PgWEj-ZVE9k”][/aoa] The best abs challenge can be found in our MAX/Shred program http://athleanx.com/x/best-core-challenge This abs workout challenge will show you how to get abs from the comfort of your own home. But this intense ab workout will be the toughest core challenge you’ve tried in a while.Continue Reading















