Posterior compartment of the forearm Posterior compartment of the forearm The posterior compartment of the forearm (or extensor compartment) contains twelve muscles which are chiefly responsible for extension of the wrist and digits, and supination of the forearm. It is separated from the anterior compartment by the interosseous membrane between the radius and ulna. There are generally twelve muscles in the posterior compartment of the forearm, which can be further divided into a superficial, intermediate, and deep layer. Most of the muscles in the superficial and the intermediate layers share a common origin which is the outer part of the elbow, the lateral epicondyle of
Bra Boys: Blood Is Thicker than Water 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 2007. The film details a story of the Bra Boys from the viewpoint of the gang members, particularly the Abbertons. Sunny Abberton wrote and co-directed the film with Macario De Souza. Actor Russell Crowe was producer and provided narration. The film's official cast included 49 well known surfers from Bra Boys members Evan Faulks and Richie 'Vas' Vaculik to ten-time world champion Kelly Slater. Other participating prominent surfers include