It is flat, thin, elongated, and triangular in shape. The abductor pollicis brevis is the largest muscle of the thenar eminence muscle group, which is comprised of several muscles that control the thumb. The main function of the muscle is to abduct the thumb, or move it away from the palm.This muscle is also involved in the extension and opposition of the thumb.Opposition refers to the ability of the thumb to rotate and touch the other fingers. The recurrent branch of the median nerve controls the abductor pollicis brevis muscle.his muscle is also involved in the extension and opposition of the thumb. Opposition refers to the ability of the thumb to rotate and touch the other fingers. The recurrent branch of the median nerve controls the abductor pollicis brevis muscle.
The original Nintendo DS released WA on November 21, 2004. The DS Lite was released on June 11, 2006. 16 people found this useful.
The DSM-5 was published on May 18, 2013, superseding the DSM-IV-TR, which was published in 2000. The development of the new edition began with a conference in 1999, and proceeded with the formation of a Task Force in 2007, which developed and field-tested a variety of new classifications. In most respects DSM-5 is not greatly changed from DSM-IV-TR.