Here is a video that I believe is safe for the back and strengthens the ab muscles which we use a lot in Jiu Jitsu.
I recommend only doing one set and adding a set each week. Three times a week.
Posts Tagged ‘safe ab workout’
A Safe Back Core Workout
Posted in Self Development, tagged safe ab workout on May 19, 2014| Leave a Comment »
journeyjjbluebelt 