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 bone that forms the upper arm, and joins it to the shoulder and forearm. The proximal region articulates with the scapula and clavicle, forming part of the shoulder joint. Distally, the humerus articulates with the forearm bones (radius and ulna), to form the elbow joint.