4 A N E W S Y S T E M 



found in the Pofture of almoft every Scholar in the Begin- 

 ning ; unlefs he is intimately acquainted with, and apprized 

 of, the clofe Dependance and Connection that there is be- 

 tween the Motions of each Part of the Body, and all the Reft; 

 a Correfpondence caufed by the reciprocal Action of the 

 Mufcles which govern and diredl them ; unlefs therefore he 

 is Mafter of this Secret, and has this Clue to the Labyrinth, 

 he will never attain the End he propofes, particularly in hia 

 hrft Lefibns, upon which the Succefs of the reft always 

 depends. 



These Principles being eftablifhed, let us reafon ia 

 confequence of them; we fhall difplay tkem with great 

 Force and Clearnefs. 



The Body of a Man is divided into three Parts, two of 

 which are moveable, the other immoveable. 



The Firft of the two moveable Parts is the Trunk or 

 Body, down to the Waift ; the Second is from the Knees to 

 the Feet ; fo that the remaining immoveable Part is that be- 

 tween the Waift and the Knees. 



The Parts then which ought to be without Motion, are 

 the Fork or Twift of the Horfeman, and his Thighs : Now, 

 that thefe Parts may be kept without Motion, they ought 

 to have a certain Hold and Center, if I may fo fay, to reft 

 upon, which no Motion that the Horfe can make, can di- 

 fturb or loofen ; this Point or Center is the Bafis of the 

 Hold which the Horfeman has upon his Florfe, and is what 



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