One of the most useful core exercises you can do is the stomach vacuum.
Contrary to its name, a stomach vacuum is neither a medical operation nor a chore. In reality, the physical therapy and bodybuilding industries have been using this particular sort of abdominal contraction for years...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.