Gerard arrives at physical therapy reporting acute lower back pain following an attempt to lift a heavy box. The pain radiates into both lower extremities constantly. During examination, all lumbar motions exacerbate the pain, and the patient prefers to stand and sit with increased lumbar flexion. Which pathology is MOST likely present?
A) Lumbar Herniated Disc
B) Facet Joint Syndrome
C) Sacroiliac Joint Dysfunction
D) Ankylosing Spondylitis
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