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Pectoralis Major
Origin from the whole length of the Sternum, from about two anterior thirds of the Clavicle & from the cartilage of the 5th, 6th, & 7th ribs

It is a radiated Muscle, its fibers running transversely, collect themselves into a flat tendon which becoming in some degree, twisted goes to form the anterior fold of the arm pit-
Inserted in the ridge of the [[?]] humurus [[humerus]] at the outer edge of the groove that Cadges the long head of the biceps
Use to move the arm on the clavicle, obliquely upwards, forward & obliquely downwards  its is the Chief support of the body when suspended by the arms
Remarks - this muscle occupies all the spaces each side of the Sternum, covering all the chest, & thus comprising the breasts; it is all external except the tendon which is coverd at its insertion by the anterior edge of the Deltoid

Direction of Action--Atlantad, Sternad & Mesiad
or
Sacrad or Sternad & Mesiad  or Humerad

Transcription Notes:
Reopened - reviewer should have taken out indentations, and use of the + instead of &, and incorrect spellings - should be "inserted", not "insertia". Atlantad or Atlantal- towards the "atlas" -: the first vertebra of the neck Sternal or sternad - towards the sternum Mesial Mesiad- towards the middle plane of the body Sacrad or sacral - towards the sacrum