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 ..
The fifth metatarsal bone is a long bone in the foot. It is the second smallest of the five metatarsal bones. The fifth metatarsal is analogous to the fifth metacarpal bone in the hand. As with the four other metatarsal bones it can be divided into three parts; a base, body and head.he base of the metatarsal is often injured and a particularly notorious fracture is the Jones fracture. When the tuberosity is broken, it is called a pseudo-Jones fracture or a dancer's fracture. This is a common fracture of the fifth metatarsal.