The external rotation of the legs and hips, also extends clear up the back. This causes the (3) erector muscles to get pulled in towards the spine. So with the Thera-cane the ideal direction to take the tissue is away from the spine. you can start off as close as you can get to the spine without actually hitting the bone, sink in and take away from midline. Then another spot of accumulation tends to be in the middle erector, which also needs to be taken lateral.