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 ..
Here's a boring bit that you can skip if you know about hand or foot bones: in humans metatarsals and metacarpals are in the hands (metacarpals) and feet (metatarsals). They go between the wrist or ankle and the knuckles (or first toe joint).ut you don't need to worry about the names because my point is that in deer the bones are joined together and the deer metatarsal or metacarpals are much longer. For example here is one of the young red deer hinds at Titus Well running along: ...and you might think the foot bones are all in the hoof, but they aren't.