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Show W!!! mutt 54 IO. AL. BORELLI DE MO-TV ANIMALIVM. :5; Cap. u. bus 5 dummodc‘) quaelibet ex diéh's fibris vim exercea; fcnlox'nm videahtur quodammbdé Companiex fibris fieo‘g‘fig‘u‘g determinati , 82. ciufdcm gradus . Cum aliundé nom :rahentii {it impoffibilc, vt in eifdem fibris, impcrio voluntatis, $333312": aut necgffitare aliqua appliczzri pof'fit maior . aut minor 8£a€tione. vis mouua , cum vidcamus ab cifdem mufculis cubi~ tum fleétcntibus v. g. fuftineri pondus lib.2o, cadenu brachij fituatione, qua fuflinetur pondus vnius vncine, cum quo paritcr xquilibratur vis corundcm mu- fculorums fed haec meh'us exponentur fuis locis. P R O P O S. LXXVII. ‘ Strufiut‘am mufculorum pcnniformium , eorum aéhoucm , & vires indagarc.) . Tab.8. Fig.7. , 3m- Dari in animali mufculos pcnniformes ) auwPfi confiat euidcntiffimé in cancris , & gammaris a efiquv‘ eorum forma fimilis figurx anncxm ABFDCH 7 cuius ppmucter BAH CD eff firmus , ofl'cus nempca velcarnlagmeus,& in alijs animah‘bus tendinofus, autmem- radiofis 3 attendcnti tamen patcbit , hoc vcrum nom cfl‘c, 11am tcndo intcrmcdius EFG , cui capillitia rhomboidalia fibrarum collateralium alliganrur , non prolongatur in direétum , quue ad fummimtcm mufculi H; {Cd definit in I, 85 rdiqua pars HI 11011 rendinofa, fed fibra cf} camofa , cui adnati fimt duo ordincs fibmrum fcré anidifiantes reliquis rhomboidalibus fibris, vt in pcnm's auium obferuamus , 8: tom triangularis, vel quadrilatcra figural AICH , cx fibris compofita 9 tmhit fursfim tcrminum I tendiu {63 Omnes tamen fibrx fun: columnarCS» c'rafl‘x, fc mum?) tangentcs, xquali laximte 3 & mollitxe - Annea‘titur pofiez‘z termino E tendinis mobilis C3"FEP0ndusa vcl refifientia offis articulum confiitucn‘ use quod :31 vi mufculi trahitur , fuflentat urque' E‘ llcet extremimtcs fupremx AHCI penniformium mu" ~' fculorum [is obliqué rmhentibus avariz firué‘tura , 8»: aflione; nis IFE . Aéfio vcré totius penniformis mufculi valdé quidem difi'ert ab aé‘tionc haficnus cxpofitorum mufcuIQ. rum, qui vnicum fafciculum ex fibris parallelis inter {c confiirucntcsfe contrahendmtrahebant rcfif'centiam pereaudem dircé‘tioncm earundcm fibrarum ; At pcm niformes {e contrahcndo per dircé‘tiones tendentcs ad pgrtcs oppofims laterales , nempé ab FGI verfus ter- "111108 3&8: verfus DC, fir, vr libr'x laxm conflituen- branofus ) huic perimetro anncfiuurur fibrce mufculo- tesaequales acutos angulos AGC, & BFD decurtutx , fie duplici ordinc, finifh-x HABFG, dexterae HCDFG: ' 8: tenfx minus acutos angulos conflituant 3 a 86 proinqua? alligantur termino intermedio FEG 9 pr010 "§am dfiflahant tranfuerfali mom terminos tendinis mobivcrfus ‘1, a confh'tuentcs angulos BFG, <36 DFG' "I hs 1GP verfus 1H vnz‘t cum appcnfa refiflentia R.Qua. plunmum :equales interfe , quarum laterales part" r? verb natum fuum infiiné‘cum, HAB_:FG , 8c HCDFG =C0nflant ex fibris aequfdii‘rann‘ bus mar Cap.x4¢ De mufcu fimplicimtem, Sc faci- hmém fcclandi in hifce mufculis pennitbrmibus reliqucrlt, fuo loco indicabimus . MOdo methodum oficndcmus, qua vires eorundcm mlllfClllorum indaguntur . Quin momentum viriunu , qulbus contrahuntur fibrce mufculi pcnniformis , tunc m(lufzmurmemmto refiflentim) quando potcnrlzc con. tram quiefcunt xquilibratce , fcilicct g quando vna alteri V 2 aEx Props 7Lhuxusu |