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
Pair-non-Pair that ever existed in Eurasia with antlers spanning to up to 3.50 meters in length. In addition to the wall art, balls of ochre and shoulder blades of cattle that had been used as pallets were found. Carved and cut bones, stone and bone beads and even a flute made of vulture bone came to light, all lending credence to the idea, that the occupants of Pair-non-Pair had a desire to deal with symbolism and aesthetics in a number of ways. The only decorated cave open to the public in the Gironde region can be visited all year round. The