Orthopedic X-Rays: What the Procedure Involves and When Your Physician Needs One
Why X-Rays Remain Essential in Orthopedic Care
Despite the availability of more advanced modalities — MRI, CT, ultrasound — plain X-rays remain the first-line and most frequently used imaging study in orthopedic practice. They are fast, widely available, relatively inexpensive, and provide information that cannot be replicated by other means. Specifically, X-rays reveal bone architecture, joint alignment, fracture lines, and the degree of joint space narrowing caused by cartilage loss. For an orthopedic surgeon evaluating knee arthritis, a weight-bearing X-ray of the knee tells a different and more clinically relevant story than a non-weight-bearing MRI.
Understanding what the procedure involves can help you approach your appointment with appropriate expectations.
Preparing for Your X-Ray
Preparation for a standard orthopedic X-ray is minimal. Wear comfortable clothing that allows easy access to the area being imaged — loose-fitting pants or shorts for a knee or hip study, a short-sleeved shirt for a shoulder examination. You will likely be asked to remove metal objects in the imaging area, including jewelry, watches, and belt buckles, as these interfere with image quality.
Inform the technician if you are pregnant or think you could be. The radiation dose from a standard orthopedic X-ray is very low — equivalent to a few hours of background radiation exposure from the natural environment — but precautions are still taken for the developing fetus. The technician will use lead shielding over your reproductive organs and abdomen when the area being imaged is not the pelvis or lumbar spine.
If you have had prior imaging at other facilities, bringing those images or reports to your appointment allows your surgeon to compare current and previous findings.
What Happens During the Procedure
The X-ray technician will position you relative to the imaging detector to obtain the views requested by your physician. Orthopedic X-rays typically include at least two projections of the target area — for example, an anteroposterior (front-to-back) view and a lateral (side) view of the knee. Joint studies like the knee or ankle may also include oblique views or specialized weight-bearing views that reveal information not visible on standard projections.
You will be asked to hold still during each image acquisition, which takes a fraction of a second. Movement during the exposure blurs the image and may require a repeat. Holding your breath is sometimes requested for abdominal or chest imaging but is rarely necessary for orthopedic studies.
The procedure itself is painless. If positioning the injured area for imaging is uncomfortable — as may be the case with an acute fracture — the technician will work with you to obtain diagnostic images as efficiently as possible.
The entire X-ray process, from entry to the imaging room to completion, typically takes ten to twenty minutes. Your images are available digitally within minutes.
How X-Ray Findings Guide Orthopedic Decisions
Fractures and dislocations. X-rays remain the standard first study for suspected fractures. The location, pattern, and degree of displacement visible on X-ray directly guide decisions about casting versus surgical fixation.
Arthritis assessment. Joint space narrowing on weight-bearing X-rays reflects the degree of cartilage loss in osteoarthritis. The Kellgren-Lawrence grading system, based on X-ray findings, is the standard clinical framework for staging knee and hip arthritis and helps determine whether non-surgical or surgical management is appropriate.
Surgical planning and post-operative monitoring. X-rays are used to confirm implant position after joint replacement, fracture fixation hardware, and prosthesis alignment. Follow-up X-rays track healing progression over time.
Identifying incidental findings. Bone spurs, calcific tendinitis deposits, loose bodies within joints, and subtle alignment problems are often identified incidentally on X-rays obtained for a primary complaint.
If your X-ray does not show a specific diagnosis but your symptoms persist, additional imaging — such as MRI for soft tissue injuries — will typically be ordered as the next step.
If you're experiencing bone or joint pain and need an evaluation that may include imaging, the specialists at Maryland Orthopedic Specialists can help. Call (301) 515-0900 or [schedule an appointment online](https://www.mdorthospecialists.com/contact).
