Ulnar Collateral Ligament Injuries of the Thumb

The ulnar collateral ligament (UCL) of the thumb is commonly injured by falling onto an outstretched hand or in sports where the thumb metacarpal phalangeal joint (MP) is hyperextended or hyper-abducted. This injury can have many names such as “skiers thumb”, “gamekeepers thumb”, and “break dancers thumb.”

What is a ligament?

A ligament is like a piece of tape that holds 2 bones together. It is a non-contractile tissue (i.e. not muscle) that creates the stability of joints. For example, most people have heard of the MCL that stabilizes the knee. The UCL of the thumb is found in the webspace of your thumb and the first finger holding together and creating the stability of the thumb.

What is a ligament sprain?

Ligament sprains are classified into 3 categories:

Grade 1 sprain (mild)

A minimal tear of the ligament fibres causing mild pain and no laxity.

Grade 2 sprain (moderate)

A partial tear of the ligament fibres with pain and increased laxity.

Grade 3 sprain (severe)

A complete tear of the ligament fibres which may or may not be painful and increased laxity.

Signs and Symptoms

  • pain around the thumb, especially in the webspace
  • possible swelling and bruising around the thumb
  • decreased range of motion and grip/pinching strength
  • a feeling of instability at the thumb

Physiotherapy Assessment and Treatment

A physiotherapist will conduct a thorough history and physical examination to determine if you are presenting with a UCL of the thumb injury. Treatment can include multiple therapeutic modalities, manual therapy, and a comprehensive exercise program. In some cases, it may be necessary to immobilize your thumb in a thumb spica cast or splint to promote optimal healing before starting rehabilitation. Proper diagnosis and treatment of the thumb are necessary to avoid long term complications including chronic pain, weakness, instability, and osteoarthritis.

Ulnar Collateral Ligament Injuries of the Thumb 1

It is important to have your injury evaluated by a physiotherapist so they can determine the appropriate course of treatment.

Medical Management

If you are unsuccessful with conservative management such as immobilization and physical therapy, there may be a surgical repair option depending on the individual injury and severity of the ligament tear. In this case, you may be referred to a hand surgeon for a consultation. This referral can be done in collaboration with your physiotherapist and family doctor.

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Why Choose Panther Sports Medicine

Panther Sports Medicine has been serving Calgary for over 30 years!  We offer comprehensive physiotherapy and professional rehabilitation services. Our staff is highly trained in the latest and most effective treatment options. With a wide variety of services and skills, we will get you back to your normal life as soon as possible.
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Panther Sports Medicine and Rehabilitation Centres are a network of ten clinics, physiotherapist operated, serving Calgary and surrounding areas. Our team offers a wide range of services including physiotherapy, massage therapy, and sports injury rehabilitation to help our clients reduce pain and recover from injuries. Panther Sports Medicine has been proudly serving our community for over 30 years.
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