Elbow taken as six handbreadths; three to the elbow and three from the elbow to the shoulder. Another measure was the "cubit" (from "cubital"). This was taken to be the length of a man's arm from the elbow to the end of the middle finger. Though the elbow is similarly adapted for stability through a wide range of pronation-supination and flexion-extension in all apes, there are some minor differences. In arboreal apes such as orangutans, the large forearm muscles originating on the epicondyles of the humerus generate significant transverse forces on the elbow joint. The structure to resist these forces is
The Moving Finger serialisation was as an abridged version in six parts in "Woman's Pictorial" from 17 October (Volume 44, Number 1136) to 21 November 1942 (Volume 44, Number 1141) under the slightly shorter title of "Moving Finger". All six instalments were illustrated by Alfred Sindall. This novel is one of two to differ significantly in American editions (the other being "Three Act Tragedy"), both hardcover and paperback. Most American editions of "The Moving Finger" have been abridged by about 9000 words to remove sections of chapters, and strongly resemble the "Collier's" serialisation which, mindful of the need to bring the magazine reader