Jersey Finger Causes, Symptoms & Treatment Options
Jersey finger is an injury to the flexor tendons of the finger, most common among athletes who play contact sports. These long, fibrous tendons connect the forearm muscles to the bones in the fingers, acting as a pulley to bend the finger when the muscles contract. A jersey finger injury occurs when the flexor tendon at the tip of the finger is torn or pulled away from the bone (distal phalanx). This injury is painful and limits your ability to bend the finger.
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A jersey finger injury typically affects the ring finger, although other fingers can also be involved. The injury occurs when a sudden force pulls on a bent down( flexed )fingertip, often while gripping an object or another player’s clothing. The tendon may partially or completely tear, and in severe cases, may even pull a small fragment of bone away with it. Without proper treatment, finger function can be permanently impaired.
What causes Jersey Finger?
The injury is called “jersey finger” because it commonly occurs during sports when an athlete grabs an opponent’s jersey, and the opponent’s sudden pull forces the tendon to tear.
1. How the Injury Occurs
- A sudden force pulling on a flexed fingertip
- Grabbing clothing or equipment during sports
- Forced extension of a bent finger
2. Common Everyday Causes
- Catching or pulling heavy objects
- Household accidents, like catching a door or cabinet
3. Sports Where Jersey Finger Is Most Common
- Football
- Rugby
- Hockey
- Martial arts
Athletes in these sports are at the highest risk for a jersey finger injury due to frequent gripping and pulling motions.
Symptoms
A key sign of a jersey finger injury is the inability to bend the fingertip. Other common symptoms include:
- Pain at the fingertip, especially along the flexor tendon
- Tenderness when pressing over the tendon
- Swelling around the fingertip
- Bruising, which may appear several hours after the injury
Because jersey finger symptoms can resemble a simple sprain, it is important to seek evaluation promptly.
When to see a doctor
Jersey fingers are often initially overlooked because swelling and finger stiffness may appear mild. However, if you experience an inability to bend the fingertip after an injury, you should see a doctor promptly.
Early assessment is crucial because jersey finger surgery is most effective if performed within 10 days of the injury. Your doctor will typically diagnose the injury through a physical examination. X-rays or other imaging tests may be ordered to check for bone fragments or fractures of the distal phalanx.
Non-operative treatment
In minor or partial jersey finger injuries, initial treatment may include:
- Immobilizing the finger and hand in a splint to prevent further injury
- Exercises to gradually restore motion
While some partial tears can heal without surgery, most complete tendon ruptures require jersey finger surgery to restore full finger function.
Even with non-operative treatment, a structured exercise program is essential for recovery.
(Refer to the PDF Exercise Program for guidance.)
Surgical Treatment
Jersey finger surgery is usually performed on an outpatient basis. The procedure involves:
- Making an incision over the affected finger
- Locating the torn flexor tendon
- Re-attaching the tendon to the distal phalanx
If the tendon has pulled off a small piece of bone (avulsion fragment), it may be fixed with screws or, if small enough, removed. Surgery is critical for restoring strength and range of motion in most cases of jersey finger injury.
Recovery
Recovery from jersey finger surgery generally takes at least three months. During this time:
- A splint is worn to protect the tendon
- Your doctor will recommend finger and hand exercises to regain mobility
- Return to sports or heavy activity is gradual
Full recovery requires patience and adherence to the prescribed rehabilitation plan to prevent re-injury and restore full finger function.
Dr. Jay Kimmel is a board-certified orthopedic surgeon specializing in sports medicine, arthroscopic surgery, and shoulder and knee disorders. He completed his orthopedic training at New York-Presbyterian/Columbia University Medical Center and a Sports Medicine Fellowship at Temple University.
Dr. Kimmel previously served as the Director of the Connecticut Sports Medicine Institute at Saint Francis Hospital and has held faculty appointments as Clinical Assistant Professor in the Departments of Orthopedics and Family Medicine at the University of Connecticut. He has extensive experience caring for athletes as a team physician for high school and collegiate programs and continues to teach in the athletic training departments at Westfield State University and Springfield College.
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/MonthFrequently Asked Questions
How does a jersey finger injury occur?
It often happens in contact sports when a player grabs an opponent’s jersey, and the finger is forcefully extended, tearing the flexor tendon.
Do all jersey finger injuries require surgery?
Most complete tendon ruptures require jersey finger surgery, while minor or partial tears may sometimes heal with jersey finger treatment like splinting and physical therapy.
How long does recovery take after jersey finger surgery?
Recovery usually takes at least three months, with splinting and guided exercises. Full return to sports may take longer, depending on the severity of the injury.
Can a jersey finger injury be prevented?
Proper technique during sports, protective gloves, and avoiding forceful pulling motions on flexed fingers can reduce the risk, but contact sports carry inherent risk for jersey finger injury.