Back pain and limited body range motion are not only due to lumber vertebra misalignment but also due to Quadra Lumber muscle injury.
When QL muscle tension increase, the body range motion decrease. If both side of QL muscle stiff, the pain starts when the body moves side by side.
The patient lies on the side at the edge of the bed, put cups. Then stretch arms over the head and move the leg up and down to below the bed edge, stretch for 5 minutes.
Myofascial ball position as picture
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