Finger fractures are caused by a variety of mechanisms, which put axial forces to the fingers. They include crush injuries, a direct blow of a hard object onto the fingers or torsion energy. The most common causes are:
Catching a ball in sports (football, basketball, soccer, rugby)
Catching fingers in carpentry machineries (mixers, saws)
Crush injuries (car doors, hammers)Falls onto fingers/hands
Other forms of direct blows (sport bats)