A volleyball term , yes, but also the definition of what’s going on during this 8 minute ab workout routine. You’re welcome! – – for how sore your obliques are gonna be from doing this workout. Don’t let the standing position fool you into thinking this will be an easy one – it’s not. Engage your core while moving your trunk sideways, diagonally, up & down, pulsing, leaning and crunching! Seriously, these motions are like super hero training for the core. You’re gonna love the Kneeling Birthday Clown, Pinky Toe Reaches and Side Planks. This quick 8 minute ab workout video gets the job done!