Radius (bone) ulna (center of the circle) to the edge of the radius (the circle). The ulna acts as the center point to the circle because when the arm is rotated the ulna does not move. In four-legged animals, the radius is the main load-bearing bone of the lower forelimb. Its structure is similar in most terrestrial tetrapods, but it may be fused with the ulna in some mammals (such as horses) and reduced or modified in animals with flippers or vestigial forelimbs. Radius (bone) The radius or radial bone is one of the two large bones of the forearm, the other
Forearm (comics) Forearm was one of the founding members of the terrorist organization known as the Mutant Liberation Front (or MLF). One of their first missions under the leadership of Stryfe was to liberate the incarcerated New Mutants members Rusty and Skids. They broke them out of prison and the pair joined the MLF out of confusion (and, as later evidence showed, neural implants kept them there). Forearm continued to be a mainstay in the team's ventures, including fighting Wolverine, Sunfire, and X-Factor. Under the leadership of Cable the New Mutants became the paramilitary organization known as X-Force, and began to be