Your health care professional will review your medical history, including any history of fever, cancer, steroid use or recent back injuries. Your doctor then will ask you specific questions about your pain:
After reviewing your medical history and symptoms, your doctor will do a thorough physical examination to rule out other illnesses that can cause back pain, such as cancer or a bone infection of the vertebrae.
This general physical exam will be followed by a more detailed examination of your back, during which your doctor will look for differences between your right and left sides, muscle spasms, abnormal curvature, limitation of movement, lack of flexibility, areas of numbness, and areas of tenderness. Your doctor's findings will help to rule out other types of back problems that can cause similar symptoms.
If you have symptoms of lumbar disk herniation, your doctor may ask you to do specific maneuvers, such as walking on your toes, walking on your heels, squatting and standing, and flexing your ankle against resistance. Your doctor will want to do a straight leg-raising test. You will lie on your back with your legs straight. While you relax, your doctor slowly raises each leg individually to determine the angle where your leg pain begins. Your doctor will do a neurological examination, looking for changes in your reflexes, as well as for any evidence of muscle weakness or decreased sensation.
Spinal X-rays, a computed tomography (CT) scan or magnetic resonance imaging (MRI) scan may be recommended if your initial diagnosis is not clear, if your symptoms persist or worsen after several weeks of treatment, or if you are considering surgery. Because imaging tests, such as MRI or a CT scan, may show disk abnormalities even in people without symptoms, the results must be interpreted carefully. It is common to find abnormalities that have no effect on symptoms. Your doctor also may recommend an electromyography, a test that analyzes muscle and nerve function to identify sites of nerve compression or irritation.
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