about this article ABS material, PVC Eco-friendly wheel, anti-slip tread, more stable, have safety guarantee, and Super smooth without noiseABS material, PVC Eco-friendly wheel, anti-slip tread, more stable, have safety guarantee, and Super smooth without noise Automatic rebound design, effectively protect muscle safety, sports injury preventionSmart brake system, installs carbon steel spring, strong and powerfulSmart brake system, installs carbon steel spring, strong and powerful Ergonomic handle design, the comfortable touch, wear-resistant anti-slip Abdominal wheel is used for exercising the abdomen, waist and hips, arms and other parts of the body where is fat.Metal tube Product What is the Abdominal Wheel? This wheel is an abdominal device that will allow you, through exercises, to increase your strength and abdominal resistance, to improve your posture, your stability, allow you to build your abdominal muscles The Abdominal Wheel is a more or less large diameter exercise wheel with a central rod that will serve as a handle. Its main function is to allow its user to do abdominal muscle strengthening exercises of the movement: 1.To perform the movement of the exercise with the ab wheel, you will have to kneel down and bring your arms forward, grabbing the ab wheel 2.Your arms should form a 45 angle with the floor 3.The exercise will therefore consist of rolling the abdominal wheel in front of you until the angle of your arms is around 30 in relation to the floor or even less if you can 4.Once this angle is reached, you will have to return to your initial position by contracting your abs, arms, back muscles, glutes 5. You should avoid going too low if you are not flexible enough or if your resistance is not developed enough because,you may lack abdominal strength which will force your back to arch to help you back up 6.This move can cause back problems if done incorrectly. It is important to inhale deeply during the effort and exhale deeply when releasing