Multi-function Fitness Machine This abdominal exercise machine can not only help with abdominal training and waist shaping, but also exercise your arms, legs and hips. It is perfect for building most parts of your body and is suitable for both men and women to use. Adjustable Height & Intensity The workout machine features a 3-level height adjustment mechanism. Simply inserting the pin into different holes, you can change the angle to realize different workout intensities and find your suitable level or challenge yourself.