pectoral

A man who lost both of his arms in an accident

... existing nerve endings from his shoulder onto the pectoral muscle on his chest. Those nerves grew into the muscle after about six months. Electrodes on the graft can now pick up any thought-generated nerve impulses to the now-absent limb and transmit those to the mechanical prosthesis, controlling the moveme...

Species Linking Fish And Land Animals Found

... journal, the scientists describe in depth how the pectoral fin of the fish serves as the origin of the tetrapod limb. Embedded in the fin of Tiktaalik are bones that compare to the upper arm, forearm and primitive parts of the hand of land-living animals. "Most of the major joints of the fin are functional i...

Bionic Women –No longer the Stuff of Science Fictio

...muscle?’” She had to concentrate on flexing her pectoral muscle, or the triceps, to get the arms and hand to do what she wanted. “Now I just think about it.” Mitchell often left her old-fashioned artificial arm at home. She said, “It just didn’t work well enough to bother wearing it. This might be bigge...

A Realistic Arm on the Anvil for Injured Soldiers

...rip. In the case of the Proto 1 arm, nerves in the pectoral area were used. The process is known as Targeted Reinnervation and was developed by Dr. Todd Kuiken, the director of the Neural Engineering Center for Bionic Medicine at the Rehabilitation Institute of Chicago. The result was that a wearer was able...

Genes Associated With Limb Development is More Primitive Than Believed

...swhich play a vital role in limb developmentin the pectoral fins of paddlefish, and to track where the Hox gen...Findings revealed that the activity pattern in the pectoral fins was very much similar to the genes responsible for the development of tetrapod limbs. Tetrapo...