Anatomy Lumbar Spine Make-Up The typical vertebral column is composed of 33 vertebrae. The lumbar spine usually has five mobile lumbar vertebrae, denoted as L1–L5. As a group, the lumbar vertebrae create a lordotic curve. The vertebral bodies increase in…
Clinical Pearls The clinician must be alert for any evidence of underlying neurologic disease, including asymmetrical abdominal reflexes, abnormalities on neurologic examination, or a cavovarus foot deformity. On radiographs, hyperkyphosis over the apex of the curvature, an unusual curve pattern,…
Summary of Key Points The sacroiliac (SI) joint is responsible for symptoms in up to 30% of patients presenting with lower back pain. SI joint pain symptoms include low back, buttock, and radiating lower extremity pain and can be easily…