March Matness 2019 Day 1: The Hundreds Exercises, March Matness 2019 Hundreds How-To: Lie on your back, legs lifted with knees bent (tabletop position). Elevate the head neck and shoulders and arms while extending your legs straight out. Start to pulse the arms up and down taking five short inhales and the five short exhales. Repeat until you get to 100.If your neck starts to hurt, bring it down. If your low back hurts, lift the legs higher, or bend them in. Find a point that is challenging, but not hurtful to your low back. Finally, if 100 is too many reps, work your way up slowly. Remember, always pull your abs in. Enjoy the burn!!