Wonder Core – Ab Crunch Mat

good posture is very important when performing various abdominal exercises. Because the wonder core ab crunch mat is designed to the natural curvature of the spine it ensures a good safe and comfortable training position and supports the lower back during sit-ups and crunches. By using an ab mat you also ensure that the risk of injuries is lower. The abdominal cushion can be used for the straight and oblique abdominal muscles and also activates the back muscles.the foam in the artificial leather provides a comfortable feeling and the flat non-slip bottom of the ab mat ensures that you stay firmly in one place.