Definitions for "Exoskeletal"
prosthesis made of plastic over wood or rigid foam.
(adj.)--posthetic construction with an outer hard "skin" (plastic, wood or metal) as the structural component.
In prosthetics, a device whose mains support is through an external shell, rather than an internal pylon. This type of prosthesis predated the endoskeletal system.
Keywords:  pertaining, muscles
Pertaining to the exoskeleton; as exoskeletal muscles.