This man just want to show how tough his core is. You can see his back is not resting on anything. It's like he's just sitting. This is too much, lol. This kind of workout could cause injury so this is something that should be avoided.
This man just want to show how tough his core is. You can see his back is not resting on anything. It's like he's just sitting. This is too much, lol. This kind of workout could cause injury so this is something that should be avoided.