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
Thicker than Water (Only Fools and Horses) are glad to see him go, although Del still gives him some money on his way out. Music from the film "Sleepless Nights" Thicker than Water (Only Fools and Horses) "Thicker than Water" is the third Christmas special episode of the BBC sitcom, "Only Fools and Horses", broadcast on 25 December 1983, and is the first to be screened on Christmas Day. The episode title comes from the proverb blood is thicker than water, highlighted by the appearance of Del and Rodney's father, Reg. Rodney and Grandad are watching television on Christmas Day, when a stranger appears at the door.