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)

I ef the Abdomen.
Arifes from the siiperior part of the Os
Tubis'd 8), and in its Ascent lestens its »
self gradually till it becomes a long
Mthnp. Tendon inserted in the Navel. Rio-
Ian has observed the left to be most
XXXIV.
commonly the lesser, and if either be
ohfervat. abserit, it most usually is that; Fal-
htoatom. j0ppius (wj10 fy-st discovered these
Mufcles) conjectures they comprels
Vid. a- the Bladder of Urin. Fabrititts ab A-
rho™' ^msen^ente imagines they support the
Banhoiin,Ahdomm> and hinders the iuperior
ub. i. parts from prestihg too violently on
^p.vi. the inferior ; but this Opinion seems
to take its rise from observing the Ana-
tomical subjecl; in a supine Position.
The Ufe, which we think most genuine
and natural is this. When the Dia-
fhragin has prest the Vifcera, whereby
the Ahdtfnth is become Tumid, thefe
pull the Navel downwards, by which
means they make a more adequate
comprestion of the Bladder in the ex-
pulsion of Urine , than any other
Muscle of this part; though it must
be confest they all contribute their a{-
sistance in that Action. They are cal-
led Succenturkti by their Author, or
Auxiliary Muscles from a suppositiori
that they are only fiipplementai to the
fol-