A thumb fracture is a break in one of the two small bones phalanges that make It is important to treat a thumb fracture as soon as possible--or the bones may. Most thumb bone fractures occur at the base of the first metacarpal, just. As long as you seek proper and quick treatment, your chances of. Check out these frequently asked questions about the thumb and thumb injuries.
The thumb is essentially made up of two bones. The first bone, called the distal phalynx, is from the thumb tip to the joint. The other bone, called the proximal phalynx, runs from the joint to meet the first metacarpal bone - this is where the web of the hand is. One of the common ways to get a broken thumb is from a fall, such as from a simple trip or from a sports related injury. In a similar way, a twisting motion or a force that causes the thumb to bend backwards can result in a break. This is often seen in sports such as rugby or skiing, or when catching a ball in basketball.
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Your thumb has two bones called the phalanges. The most common fracture associated with a broken thumb is actually to the larger bone of your hand known as the first metacarpal. This bone connects to your thumb bones. The first metacarpal starts at the webbing between your thumb and index finger and extends back to the carpal bones of your wrist. The place where the first metacarpal joins your wrist is called the carpo-metacarpal CMC joint.