7 Weeks to 300 Sit-Ups [Lordwise] torrent

Every move you make from the moment you get out of bed—actually, even the act of climbing out of the sack—uses your core. The muscles of
your lower torso make it possible for you to stand upright, shift your bodyweight, bend, twist, walk, and move in any direction. Remember the
“playing chess” example? You use your core to maintain your posture in a chair and as the base to lift your arm to move the pieces. Needless to
say, a healthy and strong core is extremely important to your ability to perform any action.