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 arm is the region between the shoulder and the elbow and consists of one bone, the humerus. The humerus, the longest and largest bone of the upper limb, articulates with the scapula proximally at the glenohumeral joint and has distal articulations with the radius and ulna at the elbow joint.