1.   glenoid--diameter of the glenoid cavity or shoulder socket
2.   humerus--length of the humerus from the midpoint of the glenoid measurement to the elbow or humeral/ulnar joint
3.   humerus width (h. width)--external diameter of the humerus
4.   humerus cavity (h. cavity)--internal diameter of the humerus (or diameter of the medullary cavity)
5.   humerus head (h. head)--distance across the "ball" of the joint
6.   humeral/ulnar joint (h/u joint)--distance from the center of rotation of the joint to the Olecranon process (or elbow)
7.   radius--length of the radius using the midpoint at each end
8.   radius width (r. width)--external diameter of the radius
9.   radius cavity (r. cavity)--internal diameter of the radius (or diameter of the medullary cavity)
10. pisiform--distance across this small bone, a major site for muscle attachment
11. metacarpal--length of this bone taken from the midpoint at each end