Cowper, William: Myotomia Reformata: Or A New Administration Of All The Muscles Of Humane Bodies: Wherein The true Uses of the Muscles are Explained, the Errors of former Anatomists concerning them Confuted, and several Muscles not hitherto taken notice of Described ; T whick are subjoin'd, A Graphical Description of teh Bones, And other Anatomical Observations (London, 1694)

Os the Muscles

CHAP. XIX.

0/ the Muscles os the Thorax.


O this Part Two Movements

may be ascribed. The First of
the Whole Chest with its Contents
on the Vertebra of the Back. The
other of the Parts which circumscribe
its Cavity (viz.) the Ribs, by whose
successive Elevation and Depression
the included space is inlarged or di-
minisht. This Constant Vicissitude
is necessary for the great Work of Re-
spiration, without which no Animal
Body can subsisl. The Muscles or
Instruments of its Motion are distin-
guisht into Proper and Common.
The Proper are such as are peculiar
to it, and have their Rise and Termi-
nation confined within the Limits os
the Thorax.
The Common, are such, which thos
they regard the adjacent Parts, yet
chiessy reipecl; This; of These, some
are Principal Inserted here, and imme-
diately moving This, together with
Those Parts from, which they are

derived

s.