Flexy Hand and Flexy Hand 2. WRIST DRIVEN: User must have a functional wrist and enough palm to push against the device to force the fingers closed when wrist is bent. The Flexy Hand 2, designed by Steve Wood, is a wearable prosthetic device made using flexible hinges. Using flexible filament for the hinges means that no elastic cords are necessary to return the fingers to their outstretched position. The Flexy Hand 2 is shared under the Attribution â Non-Commercial â Share Alike license.
Metacarpals. The metacarpals are long bones within the hand that are connected to the carpals, or wrist bones, and to the phalanges, or finger bones. The metacarpals together are referred to as the metacarpus ..The tops of the metacarpals form the knuckles where they join to the wrist.etacarpals. The metacarpals are long bones within the hand that are connected to the carpals, or wrist bones, and to the phalanges, or finger bones. The metacarpals together are referred to as the metacarpus ..
5th Metacarpal Fracture. 10% of all fractures occur in the metacarpal bones, 40% of hand fractures involve the metacarpal bones and metacarpal fractures have an incidence of 2.5% during the lifetime of an individual. From the above statistics, it is quite evident that metacarpal fractures are a common occurrence. Within the sphere of metacarpal fractures, fractures involving the 5th metacarpal make up to 25% of all metacarpal fractures and 10% of all hand fractures.