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Biceps.
THis is the fifth inflecting Muscle,* 1.1 arising sharp and Ner∣vous from the Appendix of the Coxendix, and grow∣ing Fleshy, runs down externally, and being got half way, it attenuates and grows Nervous, as tending to a Ten∣don, where it joyns it self with its other head which ariseth from the Os Femoris, where Glutaeus Major hath its insertion, and so growing thicker, outwardly Nervous, becomes a strong Tendon, and runs through the outward Sinus of the outward part of the head of the Os Femoris, and fixeth it self firmly to the outward side of the upper Appendix of the Fibula; Sometimes this Muscle is distinguished with a double beginning and ending,* 1.2 so observed by Vesalius, and therefore by him this is called Duplex.
This Muscle doth bend the Leg and pull it backward.* 1.3
This you have laid bare at Tab. 32. at O. O. At Tab. 29. you have it at M. V. Shews this laid bare at Tab. 29. X. Shews its beginning, Y. Shews its Tendinous Substance, Z. Its Fleshy Mole or Substance.