From the 14th century on, Roman numerals began to be replaced in most contexts by more convenient Hindu-Arabic numerals; however, this process was gradual, and the use of Roman numerals in some minor applications continues to this day.
Triceps Brachii Muscle (Lateral Head). The lateral head of the triceps brachii muscle is a muscle of the back of the arm, originating from the back of the humeral shaft and inserting at the elbow.The triceps brachii has three heads (connective immovable muscle) and is the only muscle on the back of the upper arm.lick to read more below. The lateral head of the triceps brachii muscle is a muscle of the back of the arm, originating from the back of the humeral shaft and inserting at the elbow.
Definition of triceps. plural. triceps. : a muscle that arises from three heads; especially : the large extensor muscle along the back of the upper arm.