When your back is aching this exercies can really help. You should seek the advice of youphysio before starting this exercise
https://www.cspringsphysio.com.au/wp-content/uploads/2015/09/google-logo-png.png00simonhttps://www.cspringsphysio.com.au/wp-content/uploads/2015/09/google-logo-png.pngsimon2013-02-20 08:20:172013-02-20 08:20:17Knee rocking for back pain