A boxer's fracture, or metacarpal fracture, is a bone fracture that affects knuckles in the hand. Causes include punching or smacking with the hand, or dropping something on the hand. Symptoms ...

Most thumb bone fractures occur at the base of the first metacarpal, just above the CMC joint. If you suspect that you have a broken thumb, you should seek immediate medical help. Symptoms ...

Radiographs of the left hand demonstrated a skeletally immature patient with dorsoradial subluxation of the first metacarpal on the trapezium (Figure 4). Again, no fractures were identified. Figure 3.

Fractures in the second metacarpal, below the index finger, are less common. In people aged 18–34 years, metacarpal and finger fractures are the most common type of fracture in the upper ...

Fractures may occur along the long bone or the metacarpal shaft of the thumb. On the other hand, the Bennett and Rolando fractures occur at the base of the thumb and involve the joint between the ...