OCR Text |
Show 152 OfMYOLOGY. The Bicep: is placed on the fore Part of the Cubit, and arifcs with two Heads; one of which is broad and proceeds from the (‘oratcz'ri 19-17.. ae/Jr, and the other round and long, a little above the Edge of the Atom. [ii-i/zmz of the Scapu/a, which pulling in a Salad of the O: Emmi after. wards becomes flefhy, aidjoins the full Head to be infer‘ted with it, hit; the Tubercle of the Radius. The Erratum/ii is placed immediately behind the Pimps, and arifing from the Humoru , is infertcd in the 'l‘uberele of the U/iza, jufl below its upper Head. The Ema/or [oagm arifes immediately from the inferior Cnfla of the Smpu/a, and is afterwards confounded with the Error/or hows, which arifes from the outer and brick Part of the O.- lr'zmzcrz‘, as al 0 with the Ermine/i": extrmus, whofe Head is placed letter and more internally. 'I‘hefe three Mufcles thus united, are by l‘ome called the [moi extra/L;Czrbz'ti, and are inferted into the Frag/721: O/ccwmm of the U/x‘lfl. The rillcofia'm ari‘es from the external Comfy/m of the Humrrzu, and is inferted jull below the former Promzrz'oiz is performed by two Mufcles called the Ronni/m and Q!!!drzztm. The I'rozmtor Rang/mitt arifes from the internal Coma/m of the .Humerzu, and is infertcd about the Middle of the Radim. The Pro/mm Quari'rami arifes from the lower Part of the (7/114, and is inferted in the lower l‘art oftlie Fad/.7115. Su-[rz'iratiou is performed by the Supiuator Longm and Brow-2'5. The fii'li miles a little above the external Candy/u; of the Human", and terminates in the lower Part of the i'x'an'iui. The other arifes from the fame C121. dis/m, and the fuperior Part of the Lil/7m, and is inferred in the fuperior Part ofthc [\‘atz'izu. The \Vrtrsr may be £521.}. arm/dad, moved dad-tunnel or fll‘fit‘t'll‘d, as well as turned one Way and the other. 'l'hefe Motions are PCIfOYl‘r‘"d by fire Mufcles. 'l' he Plexion is done by the Ulnar/i- ioiormii, the Rain- /1'1 [uteri/155, and the Pa .im'fr; :1n.l th: 1 waif/fen}, by the Rot/fail; attirKIN. [6"; U and br€$'fl,', and. [hf LUNflV/‘J 5X J/"IZZIJ. The "/2er Car/ii Ui'uarit [liter/im- arifes from the external Candy/r; of the Horn v-m, and a [on-5a between this Mul'CIe and the Ewen/or boxer-'1', :iiid is infer-ted, by a fnort Tendon, into the fourth Bone ofithe (room. The F/oxor Caz-[ii Rattle/ii: [Mm-2m; :Lr'iies from the internal Prottihc- mnce of the Him mix, and icon becoming a flrong 'l‘eudon, panes thio' a L hannel ofthe fifth l he efihe Car/rm, and is inferted into the Meta- cai'pnl Bone cf the Fore-finger. The ptl/li'lfl)‘; 'irifes from the inter ml Extulterance of the [fir/Nazi. filhl {30:11 a {hort ' foori iiworiies 2'. 'l‘endon, which is corineited to the ‘r taliserfe Lig nent ofthe "rill, and is expanded in the Palm of th: ilnnd. ' The F.‘I‘/€I'f/'.7';'J Cor/ii ratio/fr rx/ivvsz', of which one is long, the 01h" (hort. The firit ai'ii'es a little above the external l?:<trrberhiiCc ottli: 11/ "I": and is inferred into the lvletncaptrl Bone of the hill lit-VJ? 'l‘iie fecond arifes from the fame Eitrrberai cc, and. is iriferted into till Metaearpal Bone ofthe fecozzd o;- iiiidtlle Finger. . 'l'he Exhiybr Ullmrz'; eater/m; arife: from the external Extubcrnnce Cf the fi‘n'xzyrw: and half the [Jim below the Alzmmm M ufcle; and then bCCU‘ Of NIYOLOGY. 153 mint'aTendon: is at length inferted into the Metacarpal Bone of the . int‘EFinger. The FINGERS have feveral Motions, for befrdes F/cxz'orz and Exteiflon, they can recede from, or be brought clofe to each other. "l‘hefe Morionsnl'c performed by feveral Mufeles, which are ether (0271172071 or F"7f""" the Common move all the Fingers at once, the Proper belong to particular Fingers. The Common are the F/exorer, the Eating/or, land the ffltorofli. The FLA-W; P/m/angae are the four Lzmzérz'm/or, which arife from the Tendons of the {'nfum/m, and are inleited laterally towards the 'l humb, into the Beginning of the hill Bone ofeach Finger. The Soon"; 1or Peflbratm, isriic F/oxor ofthe fecond joint of the fingers. It aiiL-s from the in. m Tuber-cle of the O: Hzmzerz', from the upper Part ()1 the 077161, and the Middle of the Roz/2m; then becoming four llrong Tendons, palTes under the tranfverfe Ligament of the Wrilt, and is inferred into the Beginning of the fecond bone of each liiriger. '1 he Profimz/m or Perforaiii, is the Flexor of the third joint ofrhe Fingers, and arifes from half the U/m, and a great Part of the Ligaii: r'nt between the U/Im and the Radius, then becoming frinr Tendons, pail-es Lli‘dCI‘ the tranfverfe Liga~ merit of the Wrifi, aid through the Tendons of the former Mufcle, and are iiiferted into the third Bone oftra.:h Finn-er, The Common Exam/or ofthe Fingers ai‘ilbit‘i'om the external Tubercle oftlie Hummus, and palling u d‘ r n Ligament at the Wrill, is divided into four lendons, which communicate on the firll joint, which keeps tiem from flidrng off the Joints of the Fingers, where they are a little counseled to the fil'fi llones, and afterwards are inferted into the Beginm mg of the fecond Bone ofench linger. lhe Inter-Moi" are either external or External. v The external are three, which occupy the lnterllices between the Bones of the illotamrpui, on :‘iie hack of the Hand. '1' he txm-m/ ere likewi fe three, which arife om thejhletacarpal Bones, 0n the lnfrde of the Hand. the l .rUMir the Forefiwger. ml the little Frog-w, have each ofthem HOP" Wlufcles I the 3 [mm/x has Eaton/ores, F/oxorci‘, an A'édzzt‘i 'or called "£3773 and an AJ'r/uo'ior called knitting/z "1 ‘3 EXté'Wfle‘ 1711.575!- 5/1/3171ng [do/[lifts arifts from the U/im. below the ("Isa/ileéoiijuwe andxthe Ligamentrbttryeen the .Dv/lfld arid. the Radius ; ii "I. ()i‘thhli'l'gutiwo' tiiiee. or root lentions, lS infer-ted into the firth ,3! (arm, and {1711 of the T humb. F0: 111:]. £1734"? flower {oz/smut?! Po/lz'a'r arifes immediately below the l 01.11 the .2 mr'zvr. and traiifverfe Ligament, and is inferre d by 21 "1:95 111T_0tlieli:;crid Bone of the Thumb butchiei‘ly into the third. ‘C {fitter/0r rartfz' inflamed/1' Pei/[iris arifes immedi ately elow the la , . .' AC3 Or'er the Rig-dim, nearer the Ultra, to he iii-erre d into the third ithf‘r {humb. lC1Illrgiirgfio/fi'crnzc/iOff: Pol/Yrii'arif s from the fifth Prone and 3*, .., c‘ ~Iit Of the Caz-pus, and from the Leg hiring of the two EdicofthCIiSiI Bones, and is infer:ed the whole Length of the lirl't rurnl), . I!" Lipflptarrctacgftfgzijénrffnor/iz' Pol/Sci: nrifes large from almol't all the "‘Hfie il'dfifverre 1171:1137 and becotrtirnlg a round lendon palles tin; . .c cf the IF H‘l'éwlhcnt of the \. rm, to be inferred into the third .rdJrD. The |