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
Bra Boys: Blood Is Thicker than Water in Southern California, New York and Hawaii. The film was distributed in Australia by Hopscotch Films and internationally by boutique distributor, Berkela Films. The film was released on DVD on 16 August 2007 with extras including the documentary, "The Making of Bra Boys", extended surfing footage, coverage of the film's premiere, history of Australian surf culture, a fitness program presented by one of the Bra Boys, and music videos. Bra Boys: Blood Is Thicker than Water Bra Boys: Blood is Thicker than Water is a 2007 Australian Documentary film about a surf gang on Sydney's Maroubra Beach released in March