This fitness folding chair can be adjusted to a high angle of 210°. The abdominal bench has a very wide workout area that can be adjusted to multiple angles, allowing you to lie down to 210°. This is a great workout for both your abdominal and arm strength. Different angles exercise the muscles in different positions, the effect will be better and the stimulation of the muscles will be stronger. The entire structure of the device is very simple. It is very simple to use and easy to store. Despite the simple design, it is not inferior to other similar devices in terms of functionality. In a normal abdominal exercise, you only do upward movement and ignore the downward movement. But this device features dynamic dual resistance. Making the workout more effective. This device is specifically designed to give your obliques and lumbar pride an explosive workout, using one movement to work multiple body parts at the same time. To exercise your entire core.