If you’re a calisthenics fan, you know few things work your body head to toe better than plank-position moves. And with our ab roller, you can hit every body part to see rapid results.And it helps transform your upper back, lower back, shoulders, arms, chest and core muscles in the comfort of your home. Use this Ab Roller Wheel to work with your Poor Postures, Strengthen Your Core, and Build Core Muscles. Here’s how: 1. Position the ab roller before your knees. Grab both handles with your hands and extend your arms. 2. Lean your body forward as you extend your arms, supporting it with the ab roller. 3. Roll the ab roller as far as you can for maximum distance between hands and knees. 4. Slowly roll the ab roller back towards your knees.