ORTHOTICS
An orthosis is “an externally applied device, such as a brace, used to modify the structural and functional characteristics of the neuromuscular and skeletal system
PROSTHETICS
Prosthesis: An artificial replacement of a part of the body, such as a joint. A prosthesis may be removable, as in the case of most prosthetic legs or a prosthetic breast form used after mastectomy.
MOBILITY
A mobility aid is a device designed to assist with walking or otherwise improve the mobility of people that are mobility impaired.