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Show mmwm l 2;: IO. AL. BORELLI DE MOTV ANIMALIVM. 253 Cap. 19. De Grei u fculorum flcxoriorum cruris ,' qua} minor fir quadrant: corporis promouet: Ir: flariono cnim cortnm emquod Bipedum . ponderis hominis . Pofies‘i idem pes promoueturifim. pedes pauimento inmxr confiituunt triangulum Ifoplici lapfu , & relaxatione mufculorum , & fic denud {celium ABC , Sc deinccps codcm temporc plures vice commutatas anre minus , quém quadrans pon- motus circular-cs inchoat, 8c efliCit natura , ex quibus deris R , fiifpcndi debet alternatim in humano inccriu refultat motus progrefliuus. Circa centrum B '4 ante51 vi mufculorum . PROPOS. ' rioris pedis rcuoluitur columna , {cu veétis cruris BA a Tainan. in piano perpendiculari ad horizontcm , ccdemquu Fig.13. CLVI. temporc machina totius corporis R anteriiis verfus K Differirur,quomodo in ingrefi‘u moles humani corporrs anterihs promoueatur . Taba r.Fig.12. Non inccderet homo , {i folummodo alternatimpc' dcs 5t Terra fufpendcret, 8c cifdcm locis reponereué quibus fubieuatifuerant; fed oportet , Vt loca commuter in piano horizontis, promouendo anteriiis molcm integram humani corporis . Inquirendum igitui' Ci} , quibus organis ) & quibus operationibus hot fiat . Et primo intuitu inccflhs humanus videtur affimilari poii'e morui circini crcfri BAC fuper planumJ horizontalc , qui flando cfficit triangulum Ifofcelium ABC 9 8: linea propenfionis AD czidit prxcisé inter duos pedes B 3 8: C . Poflcfi eleuaro pcde C item; guoufque liner: propenfionis AD coincidat cum linca mnixionis AB ; & fiat pcrpcndicularis ad horizontcms Cap. 19. e (51'ch Bipedum - promoucmr . Talis autcm promotio fir hac rationu; extenfo enim pede LC, traéris mufculis folcis efficirur angulus ALC obtufus , & quia apex pcdis pauimcntum tangit in C,longitudo torius cruris, 8c coxx elon~ gaturadditionc longitudinis pedis CL, & fic triangu- lumiilud Ifofcelium transformatur, efficirurque pri- moret‘tangulum , quando fciliccr crus AB perpendi~ culariterinfiflit ad horizontem . In tom hac aflione; noto, quod inregra machina R 51 duobus pedibus fulcitur, & idcc‘) facilé tantilliim inclinari potci'c , Vt crus AB perpendicularircr piano fubiefio infiflat. Putter ca ab ipfamct pedis cxtenfionc , & cruris AC Clongatione impellirur pauimentum :1 pedis apice C 3 8c idco motu reflcxo machina R anterifis verfus K promoueturs non fecus , ac nauicula :3. nautis conto im- Elllfhripa ab ea rccedit. Talis porro impuiiio miré tulic girando circa Axcm ABgdcfcribir pcs AC flip" facilitatur 2‘1 capitis , & fuprcmi vcntris cxili incuruaficmm conicam ACE ) dcindé innixo pcdc AC inE none anteriixs vcrfus K , vndé centrum grauimtis vni~ drmu‘) crigitur circinus , vr pcs AE fiat perpendicula- Utrfi corporis , 85 idcc‘) liuea propcnfionis vitra pcdis r15 ad horizonrcm , 8: alterum latus AB rotandOaflr' ‘0 confinium incidcndo, procliuis fir ad ruinam , <3: cum BF dCfCi‘ibit 5 3c fic vlreriiis alternando crcfliO' ldcé fponte fua antcriiis machina grauis R transfcrtur» {JCS 3 & giros promoucri potei‘t . Vcrilm mlis modus &tunc ruina illa filbiro rcparatur, elcuato fciliccr mccdendi dcformis , 8c incommodus dicta ideémmf Pcde LC; & Ciro anteriiis translaro in K, vim-EL confiIaf‘ddlion‘ 3 & clegautiori mom machinam humflm mumlincx propenfionis , & fic denuo Ratio firma renona'Corp0° |
