Mandy Froehlich, M.S., 500-RYT on Instagram: "Seriously, don't let your spine move. Make the movement only at the hips and shoulders. You will feel an immediate difference! Can't do that with this move yet, shorten your range of motion to make it more doable. Comment CORE to get the link to my bestselling program which includes free updates! I am updating it soon with moves like this!"