Fracture of the Radius & Ulna

What is a fracture of the radius and ulna?

A fracture of the radius and ulna refers to a break in the two bones of the forearm. Physiotherapy plays a vital role in the recovery process following such a fracture.

How does a fracture of the radius and ulna happen?

A fracture of the radius and ulna most commonly occurs due to a fall onto an outstretched hand. These bones can also be broken by a direct blow to the forearm.

What are the symptoms of a fracture of the radius and ulna?

The first sensation typically felt when the radius and ulna are fractured is immediate and intense pain in the forearm. On visual inspection, there may be an obvious bump or deformity caused by the displacement of the bones. Other symptoms may include:

  • Swelling and bruising around the forearm
  • Difficulty or inability to move the wrist or fingers
  • Tenderness to touch
  • A grinding or snapping sensation at the time of injury
  • Numbness or tingling in the hand or fingers if nerves are affected

What should I do if I have a fracture of my radius and ulna?

A fracture of the radius and ulna is a serious injury that requires immediate medical attention at an accident and emergency department. To help manage pain and control swelling, you should apply ice to the forearm as soon as possible. Ideally, use crushed ice or a bag of frozen peas wrapped in a moist towel, and apply it to the affected area for up to 20 minutes.

At the accident and emergency department, medical professionals will assess and diagnose the injury, often using an X-ray to determine the extent of the damage. Based on the findings, they can estimate the expected healing time and decide on the most appropriate treatment. This typically involves immobilising the arm with a cast and sling. In more severe cases, surgery may be required to realign the bones and ensure proper healing.

Physiotherapy for a fractured radius and ulna.

When a cast is applied, the joints inside the cast can become stiff, and the surrounding muscles may weaken. Although movement and strength may gradually return through daily use of your forearm, this process is often slow and incomplete. As a result, even simple tasks like turning a door knob can become challenging. Physiotherapy plays a vital role in restoring joint mobility and muscle strength, helping you regain full function more efficiently. It also reduces the risk of re-injury when you return to regular activities or exercise. Physiotherapy treatment may include:

  • Manipulation / Mobilisation
  • Exercise Programmes
  • Sports Injury Rehab
  • Massage

What shouldn’t I do if I have a fracture of my radius and ulna?

If you have, or suspect you have, fractured your radius and ulna, you should avoid using the injured arm until it has been assessed by a doctor. You should also avoid activities that increase blood flow to the area—such as hot showers, heat rubs, massage, or alcohol consumption—as these can increase bleeding and swelling around the fracture site, potentially delaying your recovery.

Could there be any long-term effects from a fractured radius and ulna?

Most fractures of the radius and ulna heal without complication within a few weeks. However, recovery time can vary depending on the severity of the fracture. In some cases, nearby structures such as the cartilage of the wrist joint, nerves, blood vessels, ligaments, and tendons may also be affected. Injury to these structures can lead to delayed healing and longer-term effects.

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