You can find out when most of the Treadway families immigrated to the United States. You can focus your search to immigration records dating from that era. Immigration records can tell you an ancestor's name, ship name, port of departure, port of arrival and destination. View all Treadway immigration records >.
It can be divided into the upper arm (brachium) which extends from the shoulder to the elbow, the forearm (antebrachium) which extends from the elbow to the hand, and the hand (manus). Anatomically the shoulder girdle with bones and corresponding muscles is by definition a part of the arm.
The humerus is the both the largest bone in the arm and the only bone in the upper arm. Many powerful muscles that manipulate the upper arm at the shoulder and the forearm at the elbow are anchored to the humerus. Movement of the humerus is essential to all of the varied activities of the arm, such as throwing, lifting, and writing.