Distal Radius Fractures: Causes, Treatment, and Recovery

A sudden wrist injury from a fall or a sports accident can cause sharp pain that feels worse than just a simple bruise. The distal radius is one of two forearm bones and connects the forearm to the wrist joint. It can affect how you move and use your hand every day. Specifically, the radius is the larger of the two forearm bones; the smaller one is called the ulna.

Distal radius fractures are very common and can happen to anyone. However, how do these fractures happen, what treatments are most effective, and how long does recovery take? Let’s find out.

What Is a Distal Radius Fracture?

A distal radius fracture is a common break near the end of the radius bone, the larger of the two forearm bones, where it connects with the wrist. This injury affects patients of all ages in the following ways:

• Younger patients often sustain the injury from sports or high-energy trauma (falls, motor vehicle accidents).
• Older adults, particularly those with osteoporosis, can sustain a fracture from a simple fall on an outstretched hand.

Symptoms include wrist pain, swelling, bruising, and sometimes visible deformity due to displacement of the broken bone.

Immediate medical attention is required, often starting with urgent care or emergency treatment that may include reduction (resetting the bone). Urgent follow-up with an orthopedic or hand specialist is recommended, ideally within one week of injury.

Different Types of Distal Radius Fractures

Distal radius fractures are classified in several ways. The basic premise is whether or not they’re stable. Stable fractures are usually treatable with a cast, while unstable fractures may need operative fixation. Their categorization can also depend on whether or not they enter the joint, such as:

• Extra-articular fractures do not extend into the wrist joint
• Intra-articular fractures do involve the wrist joint

Understanding the fracture type helps determine the best treatment strategy and prognosis.

Treatment Decisions for Distal Radius Fractures

Treatment is highly individualized and depends on several factors, which include:

• Fracture type and displacement
• Bone quality
• Age and activity level
• Dominant hand involvement

Stable fractures are often treated with a cast or removable brace for about six weeks. Unstable or displaced fractures, especially those involving the joint, often need surgical fixation with plates and screws to restore proper alignment and allow for early motion.

The primary goal is to restore wrist strength, alignment, and motion, allowing patients to return safely to work and daily life.

While it is impossible to predict how a fracture will behave, LaFontaine’s criteria help predict which distal radius fractures are likely to lose alignment if you opt for a non-surgical approach. The criteria include:

• Dorsal comminution (crushed bone at the back of the wrist)
• Dorsal angulation greater than 20 degrees
• Intra-articular fracture
• Associated ulnar fracture
• Patient age over 60 years

A score of three or more is indicative of a fracture that’s likely to lose alignment if treated non-operatively.

Recovery Timeline and Return to Work

Healing and recovery after a distal radius fracture depend on fracture severity, stability, and treatment approach. However, general timelines include:

• Non-Operative Treatment: Casting for six weeks, followed by home exercises or guided therapy to restore motion.
• Post-Operative Recovery: Early wrist motion often begins one to two weeks after surgery, once the fixation is stable. Weight bearing typically begins at the sixth week.

In rare cases of highly unstable fractures, temporary fixation or external fixation may be used and later removed once the bone heals. However, this approach is rare and usually unnecessary.

Return to Work Expectations

You can safely return to work depending on your job’s nature, such as:

• Desk or Light-Duty Work: Two to four weeks
• Manual Labor or Heavy Use: Eight to ten weeks
• Athletic Return: typically around three months, though full strength and performance may take longer depending on sport and healing.

Patients Who Can Expect Long-Term Recovery

Most patients regain excellent wrist function when alignment and stability are properly restored. Early motion, modern fixation techniques, and guided rehabilitation minimize long-term stiffness or pain.

Key Takeaway

Distal radius fractures are common but highly treatable injuries. With accurate diagnosis, individualized treatment, and early therapy, most patients regain full wrist strength and motion.

If you’ve experienced a wrist injury or fracture, consult a fellowship-trained hand and upper-extremity specialist at Randy Y. Luo, MD, MBA, for an evaluation and personalized treatment plan. Call us today to book an appointment.

With prompt diagnosis, the right treatment, and guided therapy, most people regain excellent wrist function after a distal radius fracture.

Below is an example of a dorsally displaced comminuted distal radius fracture, which was found to be unstable. It was repaired with a volar distal radius plate and screw fixation. The patient regained full range of motion by six weeks.