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Show .__,_\‘ 0f the 30170! If 5/36 Hdmal_, » ._ , . , 7 .-_-~- W¥ Boolrlll. That part of the Bone ( relating to the Hand) Which is extended from the Carpu: to the extremities of the Fingers, is called by the Greek: and by (‘elfitg (Pallflfl, ant Vita Alan": by others. 4 m," r. The Metatarpium (according to Galen) is compofcd of Four Bones ,L‘ 71:,"wa and of Five, according to Celfur, and are longer then the other Bones of thé €325,111" Fingers, and for the molt part round 5 and the longeft Bone and mail 1mm thick, adjoyneth to the Bone of the Firft Finger, and lo they grow lefs and {hortcr, as they come toward the little Finger, which hath a Bone ofthe Metararpium, lead in dimenfions, adjoyningr to it. gchffjfdff The Bones of the Meme-arpz'um agreeing in number with thofe of the Fin. plumdolup' gel‘5(t0 which they are adjacent) do fupport them with their neighbourhood, iiérutoiiliiniii: and are made Concave within, for the reception of Marrow, and to ten"flhcfmgm der them light, and more fit for motion, without trouble to the Hand, which their weight would give, were they not inwardly made Concave; and are accommodated both above and below with Appendices, or Protuhe- rancies ( of which the Superior are not turned into Bone in a Form: in the mm" at Firfi Month ) conjoyned to the Bones of the Carpur. The Bones of them. the Mauriti- ng'fiFC‘mlu' tararpiimt are fomcwhat broader in the outfide, then they are in the inferior regions, with region; and have their upper Surface Convexe, and their lower Concave; C In Cvcra §,E.°E:,°n'§§vc and their Appendices touch each other in their fides, and are mutually con?rifr‘ggncs of joyned by the interpofition of a Cartilaginons Ligament. Theinferior Apucharmr- pendiees are united to the Bones of the Fingers by a manifcfl' Connection; ilflaiiiaiiiz' They are very great, and inclining from the outfide of the Head tOWard the $333,235? infide, do terminate into oblong round heads,which beinglined with a grille, fi‘éiil‘i‘éif.‘ do enter into the Sinus of the Firit Bones of the Fingers; the inferior Aptilasspendices of the Bones of the Mctamrpium, are not fo nearly conjoyned (as the fuperior) and are fomewhar hollowed when they look toward each other, out of which do fpring cartilaginous Ligaments 5 and becaufe thcfe Bones are greater in the upper then lower region, therefore it mufi be attended with empty fpaces, pailing between the Bones of the Meracarpium, in reference to the lower region, which thereupon becomes fit for the allodgmem 0f NIUfClCS S and the Bone of the Mlacarpz'um, adjoyning to the firii Fin- ger, is adorned with an Appendix, into which, a Mufcle moving the Wrilli is inferred ', and the Bone of the Metatarpe (adjacent to the little Finger, when it is conjoyncd to the Wriit) is fomewhat protuberant, that it milll1t receive the infertion of ihel endon of a Mufcle, belonging to the Willis and the Bones are befct with Afperities, to give admiflion to the infertionsofthc Tendons of Mufcles. The number The Bones of the Fingers are Fifteen in ol'tlie Bones as every one is made UP olrhcl-ingcls- of Three, which are lift in an elegant order,number, as compofed of feveral ranks, which are pleafant to behold. Effigy? oolt ll l . 0/ [/30 {Borzoi 0/ [/JL‘ (Ii/int mu! Hand. " ‘V-.-_-.-_-\\h‘\\ . They are framed of Three ranks of Bones, that the Hand might bdrm" into greater variety of Figures and Poftures, more or lefs contraétingtl1C Palme to lay hold upon greater or leis things; and if our Fingers were bff" with more ranks, then Nature hath \xifeiy inf'tituted, they would much Weaken the grafping ofObjeéTs, and render the motion of the Hand lcfsunn. ble, as being burdened with a fuperfluous number of Finger-bones. and not fo fit to grafpe any thing within the Hand, if they were perfectly round; whereupon the Fingers, as being perfectly a round body, lhouldoii- "rm Pm) ly touch an objcét inpzinéi'o,and To not perfectly and firongly contain it with- in the inward circumference or Palme of the Hand ; and four of the Fingers being placed in one order, have one Finger oppofite to them, called PM}, 711ml, ant u‘im‘e by the Greeks, or Pallex by the Latinas, a fPOflé‘lM/O, becaule itis the rnofl lirong Finger, and able to ballance all the reft in {trengrh : And as the Fingers are lefs in Longitude, Magnitude, and ability, fo theiholfices do vary, and the firit Bone of the Finger is 'moft large, as the Bali: and Tlielitll ism Fulciment of the rei't, and they grow lcfs and lefs toward their termination, 3:31;; that they may eafily clofe with an object in Flexion. 3:31:31. Iii-"iii The region of the Firfi Bone ofthe (Jar/air (made for the fiili joynt ofthe in". L Thumb) is incrul'ted with a fmoorh and liippery Cai'fll‘lgC, and is pronii- tiiiii'r WM nent tranfverfly, endued witha large oblong Pl‘OILllJCI': cc; and the Firlt f): Bone of the Thumb is engraven \Vltl] a great and olili 9, Sim", to give a, a reception to the head of the Fifth Bone of the Wriit, and is ex~ tuberant forward and backward, but chiefly forward, as moFr agreeable to the mutual ingreis of the Fifth Bone of the Writ}, with the FirPt of the Thumb, to conflitute its firfi Joynt, which is not arfted with one finglc, but various motions; and although it is moft eminent for lateral motiongwhereby the Thumb is brought toward the firFt Finger, and from it again by ab lué'ti- on; and moreover, this joynt of the Thumb doth admit Flexion or Fttenlion, as itis carried inward toward the l'alme, or outward toward the back of the Hand. The firl't Bone ofthe Thumb is inarticulated with the Second, as its low. Iii:(::imiq'rifl et region doth terminate into one head, infinuaring into one Sim/r; and this use pi iii: head is not perfectly round, and is not altogether orbicularly deprelfed, and "mm is protllberant in its lower part, and moFt ofallin l5) iides tand its protube: rance is propagated toward its infide, where . is afterward loincu'hat deprcl- Ed, and covered with a Cartilage, that the Second Bone of the Thumb might move more foftly and fifely in its various motions of Flexion, Exterifion, Abduction and Addufiion. _ ‘ p The third joynt of the Thumb, is very much difiercnt from the firuétnre of ,1,":_"""‘ the Fit": and Second, by reafon the lower part of the Second Bone, is divided into Two oblong heads ( bearing from the outward to the lower region ) endued with an orbicular Figure. Thefe heads are parted by an oblong Sim/r, and covered in fome part with a Cartilage, more relating to the iiilide, then 1 " I "' _ _ 0Utward region. The fuperior region of the Third Bone is engraven into two Sun-tn (feparated by an oblong Protuberance, arifing between them) receivnig two V. heads of the Second Bone; and the Protuberance of the third Bone enters in- to a Simir, made in the middle of the head of the Second Bone; and upon ‘ " this account, the Protuberances of the fecond Bone enter into the fockets or the third : and the third alfo infinuates its Prominence into a Cavity of the Second, and both the Bones have fuch an articulation in a mutual ingrefs, that the ioynt is only capable of Flexion and Extcnfion, and not ofa lateral inotlons and after this manner of articulation the fecond and third}oynts of the lie "ones of us in S And the ""3 ofthe "311d dth 111011 clearly appear in Diliee‘tiori, that the iniclviiiim Bones of the Fingers are not endued with the fame {hape and fizc, but 0 ram. great variety 0* Bones, and they are the mofl part round, when COWre Wlfll MllfClCS and Skin (only they are fomewliat depremd in thL‘UPP"?rand 10w" "3"") left they lhould be rcudrcd more liable to outward \‘iolationSi an < i' in E; rt i . r pl in", ,,f hlimb are framed, and make an acute Flexion, and a firaight Extenlion, Without any lateral motion. _ ., . ‘ The firl't joynt belonging to each Finger, conflfis in one Head and one rt~ , Sim'J‘in various Bones receiving, and being received by each other; And . . - i,‘i every Bone of the Metatrirpz'imr, doth determinate into one Head, bleing Ong U". |