m.feiflio. 
WlJiiS. 
Primo 
Tmini. 
iI(S ANDREAE VESALII ERVXELLENSIS 
radp partcm brachiali proximam mouct.fccundiim ulnac longitudincm,cx tota amplittl' 
dinciiiterioris iplius ledis cnafcitur, qua brachiali proxima cft. hinc carncuSj ad intcriorcm 
radi-j regioncm tranfucrfim proccditj ipfi carncus adhuc infcrtus. Habet itaquc mufculus hicj 
fi cuin reliquis fccundum cubiti longitudincm cxpanfis confcratur, fibras tranfucrfas, cx ul' 
na nimirum in radium rc(fla confccndentes.Nequc hic mufculus,ut uifum cft diffcflionis 
ProfefToribus, radium ulnam^ intcrcedit, fcd (ccundiim cubiii amplitudincm, totam intcriO' 
rem radii ulnxqj fedcm complcffitur, & ad amuflim quadratus cft. Tantam cnim obtinct lon 
gitudincm,quanta cft latitudo intcrioris cubitircgionis,quam fimulcum radioulna confti' 
tuit. dcinde tamlatusuifitur, quamlongus, adhxc omniexpartc carncus, & in ipfius mc^ 
dio fpiffus extubcransq) obfcruatur,inftarpuluinaris ipfum tranfcendcntibus addigitos ' icn 
dinibus fubftratus. Huius mufculi fibra;, radij partcm qua: brachiale fpciftat introrfum tra, 
hentcs, radium in pronum adigunt. Extcrior mufculus contrarfj motus autor,huic ncquc 
fituncquc figura rcfpondct. Si cnim Natura in cxtcriori IcdeciuIiTiodi carncummufculum 
conftituiflct, cubiti pars brachiali pr3;pofita,minime leuis, carmsq! cxpcrs manfiflct,ncque 
commode tot mufculorum tendincs huc rcponi potuiflcni. Proindc quum cxtcriorem inte- 
riori parcm cfFingerc nequiuit, ualidioriq) motu hunc,quam intcriorem,radium ducercopor 
tuit, breuiflimo pcr cubiium expanforum mufculo,qui intcrior cft, longiffimum omnium qui 
cubitum perrcpiant, Natura oppofuit, quantum fcilicct ad mufculi ucntrcm , & longiorcm 
carnisduftum attinct. Alias nanque pcrpcramillum omnium longiftimum cfle Galcnus di' 
.xillct, quum plcriquc addigitosprotcnfi, fimplicitcrmulio longiorcsfint : ncqueidfortaffis 
folum tcndinum gratia , fed fi quis diligcntcr omnes perpcndat, uentris quoquc. Ab cxterna 
itaquehumcri rcgioneclatius, quam^mufculibifido tendinebrachialccxtendentiscaputcon 
fiftit, huius radrj mufculiprincipiumcduciiur : quod quiafccundum humcri longitudinem 
latum nafcitur, carneumqjcft,longc fupra cxtcrius humeri " tubcrculum ' incipit. JVTulculus 
hincdcorfum cxpanfus,& latus ualiduscpapparens,radioinfternitur,fuperiorilaterimufcu 
iibifido tcndincbrachialccxtcndcntis contiguus.Vbiucrbadradii fincm,cuibrachiaIccoar- 
«SaiurjproceflLi, in cxacftum finit " tendincm, qui membranac modo latefcens, radij appcndi' 
cis fupcriori ' rcgioni in!critur,quadantenus in intcriora produiftus.Mufculus iftc inferiorem 
radiipartcm,quxbrachiaIicomiititur,inextcrioratrahcns,radiumfupinuefEcit, Cxteruni 
mufculi, fupcriorem radij fincm humero proximuin in pronum fupinumqp ducentes, in hunc 
modumhabcnt."' Interiorcx intcriorishumcritubcrculiradice," &cxintcriori ulnxlatcrc, 
qua humcro articulatur,carnofo uafidoqj principio cnafcitur.'' hinc admodum obliquc intcr- 
namradrj fedcm cofccndit, carncainfcrtioncantc mcdium ipfius longitudinis infcrtus. Acar 
neahacinfertionc,ncrucaimplantatioadmcdiumufcpradi] lon!jiiudiniscxponigitur,radij9 
fuperiori rcgioni hic ualidiflime infcritur,pcculiarcm inibi in radio'' afpcritaicmjCui infcranir, 
fibiucndicans. Mufculus iftc, quotics contrahitur,intr6radium ducens, illumcoftiiuitprO' 
num. '' cxtcrior, qui pcculiarium radij inufculorura quartuseftjducTiU figuracpnuncdiclo 
propcmodumpar, cnafciiurabexterioriarticulicubiti rcgionc,ab articulu circumdantcliga- 
mento.ualide ciiam cx ulna in poftcrioris fui 'procefliis, qucm «Atifaj-np Grxci uocant,cxter, 
num Iatus,principii fui portioncm fumcns. Hinc ad radiuin in priora cofccndit,& radio pro- 
pter intcrioris mufculi inrertionc ' applantatur. huius tamcn inlcrtio non xque atqjintcrioris 
ncruofa cft, neqjadco in radij longiiudinc producitur. Attamcn dudus brcuitas hos duos, ut 
& primiam,qui ad brachialehabetur,exa(ffo tcndinc dcftituit.Mufculus itaq),quem poftrcmo 
reccnfui,fuperiorcraradrj partem extrorfum obliqueconucIlcns,radiumad fupinum adigit. 
Coftatigitur totiIradi]os,intcrnorumufculorii bcncficio pronura,extcrior5autemfupinum 
£ffici;ac deinccps radij opc, fumma manum cofdemmotus oftendcre. 
MVSCVLIS CVBir V M FLBCTEN 
tibiiscyexteiidciitibiis. Caput XLVI. 
V E M A D M O D V M radius fui cuin humcro articuli bcncficio prO' 
nus fupinuscp conftituiiur, itaquoquc'ulnxcuinhumeroariiculusappo- 
fiiiffime cubiii lotius flcxioni cxtcnfionicp famulaiur, intcrim i-adius in 
euinmoduin humerocft articulams,ut fimul cumulnaad humcrumflc' 
(fiicxtendiqiqucai. Mufculi ucrbhorum motuuin duccs, fi inmaxiinuin 
redigantur numcrum, duoflc.Kioncm,& tres cxicnfioncm pcrficiunt.fi 
autcm ad minorcm rcfcrantur, aut duo,aut unus, crunt cxtendentcs : duo 
lamcn, utcunque numeraueris, ficcfentcs . In canibus & caudatis fimijs neccfiario tres fcm' 
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