What is Radial Tunnel Syndrome?

Radial tunnel syndrome occurs when the radial nerve, which runs along the forearm, becomes compressed or irritated as it passes through the radial tunnel near the elbow. This can lead to forearm pain, weakness, and difficulty with gripping or lifting objects.

What Causes Radial Tunnel Syndrome?

• Repetitive arm and wrist movements, especially in activities like typing, lifting, or throwing
• Prolonged pressure on the radial nerve from direct trauma or swelling
• Overuse injuries in athletes or workers performing repetitive tasks
• Muscle tightness or scarring compressing the nerve

Common Symptoms:

• Aching pain in the forearm, especially on the outer side near the elbow
• Weakness when straightening the wrist or fingers
• Tenderness over the radial tunnel, often worsened by movement
• Pain that worsens with gripping or lifting objects
• No significant numbness or tingling (differentiates it from other nerve compression syndromes)

How is it Diagnosed?

Your surgeon will perform a physical examination, checking for tenderness over the radial tunnel and testing wrist and finger strength. Provocative tests, such as resisted forearm supination, may reproduce pain. In some cases, nerve conduction studies (NCS) or electromyography (EMG) may be used to evaluate nerve function and rule out other conditions.

Treatment Options:

• Non-Surgical:
  • Rest and activity modification to avoid repetitive stress
  • Anti-inflammatory medications (NSAIDs) for pain relief
  • Physical therapy to improve flexibility and strength
  • Wrist splinting to reduce stress on the radial nerve
  • Corticosteroid injections to decrease inflammation
• Surgical:
  • Radial Tunnel Release: If symptoms persist despite conservative treatment, surgery may be performed to release pressure on the radial nerve by removing any compressive structures.

Recovery and Rehabilitation:

• Non-surgical treatment may take several weeks to months for full improvement.
• After surgery, most patients undergo physical therapy to regain strength and function.
• Full recovery can take several months, depending on the severity of nerve involvement.

If you have persistent forearm pain or weakness, schedule a consultation with us to discuss the best treatment options for you.