The condition described as hammertoe may exist in several or in all of the toes, the great toe being least often involved.
In other cases the second toe may be crowded up as a hammertoe.
The upward prominence of a toe (usually the second or third) in a rigid position, is known as hallux flexus or hammertoe.
hammertoe or hammer toe
A toe, usually the second, that is permanently flexed downward, resulting in a clawlike shape.