<unk>  is a condition that causes curved or bent fingers. This makes the hand appear like the<unk>  of an animal.<unk>  can be something that someone is born with (congenital) or that they develop because of certain disorders, such as nerve injury.
Claw hand
Club foot
Pawpaw
Toe
Interphalangeal articulations of hand
Nail 
Gamekeeper's thumb
Hand