Singapore Thumb Fracture Specialist Centre

Seek professional opinion about your Thumb Fracture. Call (65) 66532625 for appointment (24 hours) or Email to

A broken thumb is a serious problem. It affects the ability to grasp items. A broken thumb can increase the risk of arthritis later in life.

Thumb Fracture Clinic

Thumb Fracture Clinic

Causes of Thumb Fractures

Although a break can occur in any of these bones, the most serious breaks happen near the joints. This is particularly true when the fracture occurs at the base of the thumb near the wrist.

Thumb fractures are usually caused by direct stress, such as from a fall. A thumb fracture may happen when a ball catches and pulls the thumb back. Some fractures may be caused indirectly, from twisting or muscle contractions, as in such contact sports as wrestling, hockey, football, and skiing. People with a history of bone disease or calcium deficiency are especially at risk.

The risk of a thumb fracture can be lessened by using protective taping, padding, or other equipment. Developing strength in the hands through exercise and proper nutrition can also provide some protection.

There are specific types of thumb fractures, depending on the type of break. Bennett and Rolando fractures are breaks at the base of the thumb. They involve the joint between the thumb metacarpal and a specific wrist bone. Fractures that involve the joints are always more difficult to treat and are at increased risk of an unfavorable outcome.

Fractures can also occur in the long portion of the bone called the metacarpal shaft.

Symptoms of Thumb Fractures

  • Severe pain at the fracture site
  • Swelling
  • Limited or no ability to move the thumb
  • Extreme tenderness
  • A misshapen or deformed look to the thumb
  • Numbness or coldness in the thumb

Diagnosis of Thumb Fractures

A doctor should be consulted as soon as possible. Continued swelling may make it more difficult to align the bones properly. Delayed treatment will make the fracture much more difficult to treat and can lead to a poor outcome. A padded splint can be used to prevent the bone from moving farther out of alignment. This is encouraged before treatment is finalized.

The physician will examine the injury, take a medical history, and order X-rays of the injury.

Treatment of Thumb Fractures

If the bone fragments of the fracture have not moved (displaced) very much, or if the break is located in the middle (shaft) of the bone, an orthopaedic surgeon may be able to use a specially designed cast (spica cast) to hold the bone fragments in place. The cast may need to be worn for at least four to six weeks. During that time, regular X-rays may be needed to ensure that the bone has not slipped out of alignment.

Surgery may be needed, depending on the location of the fracture and the amount of movement between the broken fragments of bone. The orthopaedic surgeon may use one of several operative fixation techniques to realign the bone fragments. These fragments must be held in place while the bone heals.

These techniques include devices that hold the bone fragments in place either inside the body (internal fixation) or outside the body (external fixation). Internal fixation techniques include the use of wire, pins, plates, and screws. External fixation techniques include the use of pins in bone that are held in place through their attachment to an external fixation device.

A cast or splint will be worn for two to six weeks after surgery. When the cast is removed, hand therapy may be recommended in order to restore movement. It can take three months or more to regain full use of the hand, depending on the severity of the injury.

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