This section of the book is from "The Complete Herbalist" by Dr. O. Phelps Brown. Also available from Amazon: The Complete Herbalist: The People Their Own Physicians By The Use Of Nature's Remedies.
There are two bones here, the radius and ulna. They may both be fractured, or only one of them. The fracture is easily detected.
TREATMENT. -- The difficulty here is to observe the space between the bones, which is called the interosseous space. The fracture is readily reduced by drawing the arm forwards, and when this is done, press the muscls into the interosseous space. Now, take two splints, well padded on the inside, reaching from the elbow beyond the fingers, put one on the inside and the other on the outside of the forearm, and secure them with a bandage The arm should be carried in a sling.