View Posterior Forearm Muscle Diagram Gif. 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. There are 20 muscles separated into two compartments.
Elbow Forearm Atlas Of Anatomy from doctorlib.info Try labeling diagrams and worksheets as additional learning aids. It extends the proximal phalanges and through its collateral reinforcements. These muscles in general function to some of the muscles also function to supinate the forearm, a rotatory movement at the elbow wrist axis which brings the palms towards the sky.
Muscles of the forearm segregate into these compartments consisting of (1) an anterior group (the seven superficial and five deep muscles occupy the posterior forearm.
It is supplied with blood by the lowest posterior intercostal artery, the subcostal artery, and the first two lumbar arteries. An updated version of an older medical illustration of mine for a small exhibition. Draw labelled diagram showing branches of profunda brachi artery. The muscles of the forearm can be divided into two groups: