kristin1marie: #tbt back and core move for your Thursday. *laying on your belly legs and chest up off the floor reach out then back to your side. Remember pull your belly button I to your spine. I can't see 👀 it but do it! You can work on your abs all day but that's going to make you looking a ca mane if you don't strengthen you back muscles. Defeat the back fat 💥👊 Like it Share it Tag a Friend #corestrengthmoves #strongback #fitmom #fitchicks #fitgirls #workoutmoves #insanity #fitlife