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
(Love Is) Thicker Than Water "(Love Is) Thicker Than Water" was written originally by Barry Gibb in Bermuda alone with Andy Gibb credited as co-writer on the latter. Andy Gibb later revealed writing a song with Barry: "(Love Is) Thicker than Water" was recorded in October 1976 at the Criteria Studios in Miami, Florida, during the same time as "I Just Want to Be Your Everything". On the two tracks, Joe Walsh of Eagles played guitar. The song was certified Gold in the United States on 16 February 1978 as Robert Stigwood presented Gibb with his first gold record at the Roxy in Los Angeles.