Abraham Lincoln: The Man and the Myth. Fort Worth: Harcourt College Publishers, 2000. Bartlett, D. W. (David W.). Life and Public Services of Hon. Abraham Lincoln, With a Portrait on Steel, to Which is Added a Biographical Sketch of Hon. Hannibal Hamlin.
Two special motions produced by the muscles of the forearm are the supination (anterior rotation) and pronation (posterior rotation) of the forearm and hand. Supination is produced by the biceps brachii of the upper arm and the supinator muscle of the forearm.uscles of the Arm and Hand. The muscles of the arm and hand are specifically designed to meet the bodyâs diverse needs of strength, speed, and precision while completing many complex daily tasks.
Although it is found mostly in the forearm, the brachioradialis is the third flexor muscle of the elbow, running from the distal end of the humerus to the distal end of the radius. Two muscles-the triceps brachii and anconeus-act as the extensors of the forearm.