The is the fifth link in the chain of the cardiac arrest care. They are performed in the hospital care of a cardiac arrest survival and are mentioned as one to five links of the chain. Immediate identification of cardiac arrest and then necessary steps are taken in the fifth link.
<span>Ab Roller Evolution is made of metal. It supports neck, head and upper body during workout. It is an upper body trainer: works chest and core. You can do push ups, sit ups, dips. By providing improved support, it reduces stress and strain on body.</span>
<span />Description above is from Amazon.
It is a good idea but has some problems with its design. There is no way to secure it on the floor during exercise. So it moves around when pushed against and would not provide support. A normal crunch will likely work out better.
Picture everyone in their underwear
