Extensor Tendon Injury of the Finger

What is an Extensor Tendon Injury of the Finger?

An extensor tendon injury involves damage to the tendons on the back of the finger, which are responsible for finger extension.

• May result from lacerations or blunt trauma
• Leads to difficulty in straightening the finger

Overview of the Condition

This injury can significantly impair hand function if not properly treated.

Symptoms

• Inability to fully extend the finger
• Pain and swelling along the dorsal finger
• Visible deformity or laceration

Causes

Commonly caused by direct trauma, sharp lacerations, or crush injuries.

Diagnosis

Diagnosis is confirmed by physical examination and imaging, such as ultrasound or MRI.

Treatment Options

• Surgical repair is typically required
• Immobilization following surgery
• Hand therapy during recovery

Conservative Management

Minor injuries may be managed with splinting and rest, but most significant injuries require surgery.

Rehabilitation Exercises

1. Passive range-of-motion exercises
2. Active extension exercises
3. Strengthening exercises as healing permits

Surgical Options

Surgical repair of the extensor tendon is the main treatment for significant injuries.

Anatomy Overview

The extensor tendons run along the dorsal aspect of the finger and are essential for straightening the finger.

Affected Areas

• Dorsal finger
• Hand

Frequently Asked Questions

QuestionAnswerCan extensor tendon injuries heal without surgery?Severe injuries typically require surgical repair for optimal recovery.How long does rehabilitation last?Rehabilitation may last several months depending on the injury severity.

Prevention Strategies

• Wear protective gear during activities
• Practice safe handling of sharp objects
• Use proper techniques to avoid hand injuries

Related Conditions

• Flexor tendon injuries
• Joint dislocations

Additional Treatments

Postoperative hand therapy is essential to regain full function.