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
Forearm (comics) more aggressive in their campaigns. In one such mission X-Force discovers a hidden MLF base and, while fighting Forearm, Reaper and other members of the team, nearly lose their lives when Stryfe orders the destruction of the base. Later, Garrison Kane stumbles upon Forearm, Wildside, and Sumo in the Canadian mountains and, after a brief scuffle, follows them through their teleportation portal, where he is tortured. After a series of supposedly unconnected art thefts (all of which are related to Apocalypse), Forearm is one of the few members of the MLF to approach Mister Sinister and propose a trade. In