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UCL Repair

What is a UCL injury?

The ulnar collateral ligament (UCL) is the primary stabilizing ligament on the inside of the elbow. It helps keep the elbow stable during overhead motions, particularly throwing. UCL injuries are most common in baseball and softball players, quarterbacks, tennis players, javelin throwers, and other athletes who repeatedly place stress on the elbow.

A UCL injury may develop gradually from repetitive overuse or occur suddenly after a forceful throw, fall, or traumatic elbow injury. Symptoms often include pain along the inside of the elbow, decreased throwing velocity or accuracy, a feeling of instability, or even a popping sensation at the time of injury. Diagnosis typically involves a physical examination and advanced imaging, such as an MRI, to determine the extent and location of the ligament damage.

UCL repair is a surgical procedure that restores the patient’s own injured ligament rather than replacing it. Unlike Tommy John surgery, which reconstructs the ligament using a tendon graft, UCL repair preserves the patient’s native ligament whenever possible.

During repair surgery, the torn ligament is reattached to the bone and reinforced using a specialized collagen-coated suture tape known as an internal brace. This added support protects the healing ligament while allowing it to regain strength over time.

UCL repair is appropriate for patients with an acute tear in an otherwise healthy ligament. Unlike UCL reconstruction, which replaces the damaged ligament with a tendon graft, UCL repair preserves and reattaches the patient’s own ligament, often with reinforcement from an internal brace.

Candidates for UCL repair generally have three characteristics: a tear near where the ligament attaches to the bone, healthy remaining ligament tissue, and persistent pain or instability despite rest, physical therapy, and other non-surgical treatments.

Younger athletes, particularly baseball and softball players, are often good candidates because they are more likely to sustain an acute injury rather than years of ligament degeneration. Athletes who participate in football, tennis, volleyball, gymnastics, and other overhead sports may also benefit from UCL repair when the injury pattern is appropriate.

Patients with chronic tears, poor-quality or severely stretched ligament tissue, or previous failed UCL surgery are generally better candidates for UCL reconstruction. A thorough evaluation, including a physical examination and MRI, helps determine whether UCL repair is the best option for restoring elbow stability and returning the patient to sports safely.

UCL repair is performed through a small incision along the inside of the elbow. The surgeon carefully identifies the torn portion of the ligament and secures it back to its normal attachment on the bone using anchors.

An internal brace is then placed alongside the repaired ligament to provide immediate stability while healing occurs. The brace is not intended to replace the ligament but rather to protect it during recovery, allowing patients to begin rehabilitation earlier than with traditional reconstruction.

For properly selected patients, UCL repair offers several advantages. Because the patient’s own ligament is preserved, the procedure is less invasive than ligament reconstruction and avoids the need to harvest a tendon graft from another part of the body.

Many patients experience less postoperative discomfort, regain motion sooner, and progress through rehabilitation more quickly. Return to competitive throwing may occur in significantly less time than after Tommy John surgery, although recovery varies based on the individual and their sport.

If you have pain on the inside of your elbow, notice a loss of throwing velocity or accuracy, or feel instability while throwing, an evaluation by an experienced orthopedic sports medicine specialist can determine the extent of your injury and whether UCL repair is an option.

Board-certified and fellowship-trained orthopedic surgeon and sports medicine specialist Dr. Brian Waterman specializes in UCL repair. Dr. Waterman is widely regarded as one of the leading orthopedic sports medicine elbow surgeons in Winston-Salem, North Carolina. He sees patients at his office at Atrium Health, Wake Forest Baptist Orthopedics and Sports Medicine Stratford, and proudly treats patients from Winston-Salem, Greensboro and High Point, North Carolina.

At a Glance

Dr. Brian Waterman, MD

  • Chief & Fellowship Director, Sports Medicine, Wake Forest
  • Team Physician, Wake Forest University, Chicago White Sox
  • Military affiliation/Decorated military officer and surgeon
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