Description
"Of the Muscles of the Thorax
The Muscles of the Thorax may be divided into Proper and Common" (Cowper, 1724, Chap. XIX).
"Of the Muscles of the Scapula, or Shoulder-Blade.
These Muscles make the second Division of those relating to the Motion of the Thorax, as abovesaid" (Cowper, 1724, Chap. XX).
"Of the Muscles of the Thorax, which appear on the backside of the Body.<br />These constitute the third Order of Muscles belonging to the Thorax" (Cowper, 1724, Chap. XXI).
Source
Myotomia reformata, or, An anatomical treatise on the muscles of the human body. Illustrated with figures after the life. By the late Mr. William Cowper ... To which is prefix’d an introduction concerning muscular motion (London, R. Knaplock [etc.] 1724).