Often the main cause of lower back pain are weak abdominal muscles which, among other things, adversely affects posture. (fitnessandpower.com)
It is often associated with weak abdominal muscles that are not able to hold the low back and pelvis in their neutral position where the pelvis is like a level bowl. (thoughtco.com)
FLA Orthopedics - 9» 3 Panel Surgical Abdominal Binder provides support and compression to weak abdominal muscles after surgery without restricting breathing. (exmed.net)