A prosthetic arm apparatus including a plurality of segments that provide a user of the prosthetic arm apparatus with substantially the same movement capability and function as a human arm. The segments are connectable to one another and connectable to a prosthetic support apparatus that may be adorned by the user. Some segments may provide movement about more than one axis using a single actuator. The prosthetic arm apparatus may include a user interface incorporated therein and may include one or more communication systems for communicating with external devices.The prosthetic limb includes at least one antenna in connection with the controller for transmitting and receiving signals. The at least one antenna including the housing of the prosthetic limb segment as a radiating element. The prosthetic limb further includes a user interface integrally formed in the housing. The user interface including a status indicator for displaying information and having a flexible protective cover disposed around a portion of the housing and covering the user interface, the flexible protective cover including a translucent portion over the status indicator.