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Show W Book H. C H A P. , , . l' 0/ Acypzrzztiorz. 87,5 as I humbly Conceive, it is more agreeable to reafon, that both the out. ward and inward lntereoltal Mufcles do aflifi each other in the dilatation of the Thorax, L I. by reafon the Ribs elevated in order to Relpiration, need no Miiicles to deprefs and reltore them to their former polture, which they ob- , rain of themfelves, 46hr quorlizm rtfi/icndz‘, which is agreeable to any lolidbodv when it is 0/ RC/[NWHW- drawn by lbme outward principle beyond its dim natural lituation, Arid moreover it is reafonable to aflirm, that the Ribs being moved up- Tthibshc- Arm-e hath feared the Lungs near the Heart, in the facred and inward ward and outward, do dilate the Thorax, and being pulled downward, do ffig‘t‘fgg‘ido narrow ' "(edit-g of the middle apartiment, as remote from our eyes, as undoiihnding, and itmight be wilhed that our Breaf‘t had been made tranfpa- the cavity of the Breth , . 71mm. And it is very evrdent to any intelligible Perfon that hath curioufly inlpeéted rent, that we might have a clear prolpeét of its lecret Intrals, and under. ltand the nature of Refiuiration, the end and perfeélion of this noble en. vine of Air, and the great Prefirvarive of Life." . . ‘ To give a Hillory of Relpiration, it fuppoleth its efficrent caufe pro(ludive oi if, Secondly the Organs, Thirdly the manner how it is celebrated, :ml the Foui th is the [lie of it. a Steleton, that the Ribs (clpecrally the lower‘ones ) are mof‘t conducive to the dilatation pf the Thorax, and are not articulated With the Spine and Sta-iiion, according to exaét rightanglcsa 50 that ll the Ribs be elevated upward and outward by the motion of the Intercolhl Mufeles, that then the Ribs do qtiit lomewhat of their Selmicn'pular Figure, and come nearer to right angles, in reference to their articulation with the Spine and Sternon. The (lilt‘lIJ‘l' taule is the motive faculty, by which this noble operation is Farthermore it may be conceived, that the Ribs being lifted up to right attompliihed, proceeding originally from the Animal Liquor generated angles, that the Cavity of the T/Jomxis enlargeds but it "'eliippolbtliirei~s in the Cortex of the Brain, conveyed by Nerves into the lntercofial Muicles arches to be placed upon aPlain, the {pace iiitercediiig them, pannot be great, and Diaphragm andinto the Lungs too; Some hold, the operation of Preliiii-arioii to be Natural, others Animal, anda third, a mixed aétion. lipcaiiictht»y make near approaches to each other in point of litiiation 3 but: Il' thele arches be lifted up lomewhat above a Plam, a {pace mul‘t iiectillirily A l,,L'.1‘i‘i"iL‘(lflit'),7lCJ‘[7)‘0£'t'l‘\ is of an opinion, that the motion of Rel‘piration is t-ly animal. Aniztomcr [2'1]. 2. dc Thor/rte, p. r532. [1/12/15 tie iflo fitflzira/ 'i‘ loom infer 'Plji/ofiip/Jor agilamr qaafliu,fii/icct qua/[flaw fit (If/i0: (MW? -' :‘ "1'5; ruin-aim, alz'z' mama/em, 4171' mime ex zzrrtlmzlz' (3v (xiii/1141i r073 tmdmzt, (, a/Zyiojiz'712'rmtr Inga/i phtrimis rationi/mxconfirm/ml, quiz; owner but rt crrc ni‘ ‘ 10.2mm furor. [ix moth) diam/am liquor rffpllrdfiillll'I/l tflt affront»; were pals between them, and the nearer thefe arches do come to right angles, the Sims, or empty (paces, running2 between them 1 mull belo much the greater: And let us borrow an inlhnce from the lit-call, in reference to the Spine, Ster- lion,‘ and Ribs; So thatthe Plain intercedmgthe. Spine and Sternon, is the Mediafime, or any other imaginary Plain, dividing the "lbw-ax, into equal parts; wherefore the arched Ribs upon the Plain ( or which is the fame, m: .1251 [singitizr momi mzimali infcrvicmiI/m iuflrumcmir, friljret Mufmy," (.1, pa Mama mflro My} Luce/mm, tart/mi, infem/i o» remini, at vi(/cmm' m Cruz/airbus, Yilbrrifiihitf, "Iii/q; c9» qlrilibrt in My?) cxliei‘z'nn‘ : iii/lilo criizm azl mnrrcm 11f]; cobi/Jtrz'pafrfl 1'12 it)", glti mori mm Iii/mil; Cujm CXL'IJIPIIH/‘l upon the Spine, and Sternon placed upon the fame l'lain) do rife toward right Angles by the contraé‘rion of the Intercoflal Muleles, the {pace muff be ' more enlarged, palling between the elevated Ribs, and the Medialline. As to the lower or baftard Ribs, though their Terminations are not af- b.1110! 0mm", [,‘b, 2, de mm Mhflulor. Cap. 6. De Servo bdrham, (111i rcfioim- fi{(Cd to the Sternon, but Diaphragm, yet they participate the fame motion mm tobihinz fibz' mortem con/rioit : The great diHiculty that perplexet h this opinion, is, ljt‘cgul‘e‘ this iieceliary motion made for the prefervation of our Lile, is not Illt'l‘cly arbitrary, as being celebrated for the moll part without the CLiiiillliliei o" tlieVVill, bya ltind of natural action, as it is \vliollyfo und in mm: or upon, when we have not the leafi appreheniion of the motion Wlfll the Other RibS, and do alfo dilate the Thorax; {0 that any man Ckpcrimcnt in himl‘clf that in Infpiration, the Ribs are drawn upward my and tome OUU'i‘ul‘d toward right Angles; and in Expiration, when the Intereoltal MulCl" are relaxed, the Ribs do defiend, and receive their former Semicircular Figure, and the T/Jomx is reduced to its Pril'tinc more narrow of ihe'jhumx, Diaphragm, or Lungs, which leeni to hold great limilirude v. ill] iliatot the Heart, in the 'time of rcpt, as all thefe different Engines oi Mmion are achied \vitlioutthe leal't diffate of the "fill. .m a "Mair- 1‘ gain. ' Tim ()rggns (iii RClbll‘ZU-On, are {lift the Intercofla] Mlll‘ClCS, the £111?th EXU‘lethS implanted into the margents of the next I: ibs, Steiiion, and Diaphragm, as antecedent to it 5 and the Lungs are the iv illL‘tllJl'C iiiathiut, \xliolb dil'l'erent motion doth conflitutc the various kinds s\ i _ gaming, ol u Tl: SIEEL‘H'UHU Mulbles are lodged between the Ribs, and do begin and Liltl in their ltzeral Teudons, implanted into the upper and lower mar- Ell" "it the m1", thd} long ilender Organs of Motion , have many flcflly i ' s decullhtiiig each other, and being 'cOntraEted, dolift the llibs iipivaid and outward. ! i: a recciwd opinion, that the outward Intercollal hltlfcles are minille~' rial to the Dilatation, and theinward to the contraction of the "1717mm 5 bur, as PcrimeCrAlld uotonly the external Intercol'tal Mullsles (as fomeimagi ne) bllfl'llc Thcfutcma! Illtcrml "me COHH‘ibute to the dilatation 0fthc 771074") by foals" b0fll kinds firm": 0F Mlllt‘li‘s llM'L‘ their , "PPCY and lower Hi!) 3 whereupon the molt loolEly faflned,doth approach the iilcriiaii'iiifn, more llmngh', by the contraétion of the Intercol'tal Muleles; wherefore the lower Rib having a more lax articulation than the upper, muft neceflEirily be 3 :' ‘lmwn upward by Elm mom" 0f the Mufcles, toward "PP" more fixed R1 7 as to the Center of hIotion; whence it may betherealou ablydeduccd, that both the External and Internal Intercol'tal Mulcles , though they have ' Went infi‘rrions into the Ribs, yet in their contraétions they allif't each . orlmfirrhc lhiiic time to lift the Ribs upward toward the Throat 3 and fur- "WWW-T thele Ribs are articulated in fuch fit pofitions, that the Ribs ma WWW an elevation for the joynt motion of the Interco fl-al Mulbles, fear- ed |
