A Patient Has an Acute Onset of Lower Back Pain

A patient has an acute onset of lower back pain associated with lifting heavy objects at work. A physical examination reveals no loss of lower extremity function or neurological symptoms. What is the initial intervention for this patient?

A) Magnetic resonance imaging (MRI) to evaluate soft tissue involvement
B) Plain radiographs to evaluate the extent of the injury
C) Traction therapy to minimize complications
D) Treatment with a nonsteroidal anti-inflammatory drug (NSAID)