Wrist extensor tendon injuries occur when the tendons responsible for extending the wrist and fingers are damaged, leading to difficulty or inability to straighten the wrist or fingers. These injuries can result from lacerations, trauma, or overuse. In this guide, we will discuss the symptoms, diagnosis, and treatment options for wrist extensor tendon injuries, with a focus on how physical therapy can help you recover and regain function in your hand and wrist.
Understanding Wrist Extensor Tendon Injuries
Wrist extensor tendon injuries can be caused by:
- Cuts or lacerations to the back of the hand or wrist
- Fractures or dislocations that damage the tendons
- Overuse injuries from repetitive motions, such as typing or racket sports
- Rheumatoid arthritis or other inflammatory conditions
Symptoms to Watch Out For
Common symptoms of wrist extensor tendon injuries include:
- Inability to straighten the wrist or fingers
- Pain and swelling at the site of the injury
- Weakness in the wrist or hand
- A noticeable gap or depression where the tendon has retracted
How are Wrist Extensor Tendon Injuries Diagnosed?
Wrist extensor tendon injuries are typically diagnosed based on:
- A physical examination to assess wrist and finger movement and tendon function
- The patient's history of hand or wrist injury or trauma
- Imaging tests such as ultrasound or MRI to visualize the damaged tendons
The Treatment for Wrist Extensor Tendon Injuries
Treatment for wrist extensor tendon injuries may include:
- Surgery to repair the torn tendon
- Splinting or casting to immobilize the wrist and allow healing
- Anti-inflammatory medications to reduce pain and swelling
Physical Therapy for Wrist Extensor Tendon Injuries
A physical therapist may employ the following during a session:
- Exercises: Gentle range-of-motion exercises and progressive strengthening exercises to improve flexibility and strength in the wrist and fingers. Examples include wrist extension and flexion exercises, finger extension exercises, and grip strengthening exercises.
- Modalities: Techniques such as heat, cold, or ultrasound to reduce pain and inflammation.
- Manual Techniques: Hands-on techniques such as soft tissue massage, scar tissue management, and joint mobilizations to improve mobility and reduce stiffness.
- Splinting: Fabrication or adjustment of custom splints to protect the repaired tendon and facilitate healing.
Prevention of Wrist Extensor Tendon Injuries
- Use protective gloves or equipment when handling sharp objects or engaging in activities that pose a risk of wrist injury
- Follow safety guidelines and use proper techniques when participating in sports or manual activities
- Seek prompt treatment for wrist injuries or conditions that may weaken the tendons
Conclusion
Wrist extensor tendon injuries can significantly impact hand and wrist function, but with the right treatment, including surgery and physical therapy, you can recover and regain function in your hand and wrist. By working closely with a physical therapist and following a personalized rehabilitation plan, you can achieve better outcomes and restore the mobility and strength of your wrist and fingers.
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