Roll in a ball for back stiffness /in Video Exercises /by simonGreat exercise for stretching your back https://www.cspringsphysio.com.au/wp-content/uploads/2015/09/google-logo-png.png 0 0 simon https://www.cspringsphysio.com.au/wp-content/uploads/2015/09/google-logo-png.png simon2013-02-20 07:24:272013-02-20 07:24:27Roll in a ball for back stiffness