What is back pain a symptom of?

See below: A person with back pain has discomfort in the back. Back pain is commonly caused by a muscle strain in the back. Acute lumbar strain is the most common cause of lower back pain. Additional causes of back pain include irritation or inflammation of the bones, ligaments, disks, and spinal nerves that branch off the spinal cord. Rarely, diseased organs in the chest or abdomen cause back pain.

Usually sitters and: Most cases I see are due to sitters disease or gait (ex; foot position). But you need to identify the origin and rule out more serious causes. Any neurologic issues like no numbness in the legs, no muscle weakness, no fever, no urinary pain, fever, genital discharge, acute trauma, insect bites, etc https://www.youtube.com/watch?v=8TO8Il3vdxQ https://www.youtube.com/watch?v=t6SXiDCMP3E