Have you ever noticed how some positions make your back feel better, while others make it feel worse?

The approach is called the non-pathoanatomical system of classification.

The use of both approaches together is important in the diagnostic process and in formulating a therapeutic plan.

A therapist assisting a man with stretching exercises

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In general, disc problems and posterior longitudinal ligament injuries have extension biases.

“Low Back Pain.

J Orthop Sports Phys Ther.

“J Multidiscip Healthc.

DOI:10.2147/JMDH.S24733

Nachemson, A.

“Scientific Diagnosis or Unproved Label for Back Pain Patients.

Lumbar Segmental Instability.”

Szpalski M, Gunzburg R, Pope MH eds.

Philadelphia: Lippincott William & Wilkins, 297-301.