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.
Biceps Brachii. The biceps brachii, a two-headed muscle, sits on the front of your upper arm and is the most visible elbow flexor. It originates on the scapula, runs the length of your upper arm and attaches to the bones of the forearm, the ulna and radius.esides elbow flexion, the biceps muscle is also involved in forearm supination -- turning your forearm so your palm faces up. It's more active in elbow flexion when your forearm is supinated and less active when your forearm is pronated -- your palm faces down.