II. Epidemiology
- Acute Low Back Pain is mechanical (Muscle Strain) in 90% of cases
III. Causes: Spine
- Lumbar Strain or sprain (90% of Acute Low Back Pain)
- Herniated disc (Herniated nucleus pulposus)
- Vertebral Compression Fracture
-
Lumbar Spinal Stenosis
- Includes Cauda Equina Syndrome (requiring emergent intervention)
- Spondylolisthesis
- Spondylolysis
-
Spondylosis
- Chronic disk degeneration
- Facet joint Arthropathy
IV. Causes: Systemic
V. Causes: Referred
- Vascular
- Gastrointestinal
- Renal
- Genitourinary
- Skin