. Annals of the New York Academy of Sciences. Science. Fig. 6.—Relations of certain extensor muscles to the pelvis and femur in the. standing pose in (I) a typically cursorial form, the Horse, with relatively wide angles of insertion (a, ft y), and in (II) a typically graviportal form, the Mastodon, with narrow angles of insertion (a', /?', -y'). The heavy black lines represent the general directions of the muscles; the broken lines represent the radii of rotation of the insertion points. nominate bone and with narrow angles of insertion of the principal long muscles (Fig. 6). The result of th


. Annals of the New York Academy of Sciences. Science. Fig. 6.—Relations of certain extensor muscles to the pelvis and femur in the. standing pose in (I) a typically cursorial form, the Horse, with relatively wide angles of insertion (a, ft y), and in (II) a typically graviportal form, the Mastodon, with narrow angles of insertion (a', /?', -y'). The heavy black lines represent the general directions of the muscles; the broken lines represent the radii of rotation of the insertion points. nominate bone and with narrow angles of insertion of the principal long muscles (Fig. 6). The result of these small angles of insertion is that the long muscles exert a powerful pull in the direction of the shaft of the femur (p. 278 and Fig. 2), an arrangement favorable to the lifting and support of great weight (p. 290). The short tibia and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York Academy of Sciences. New York, New York Academy of Sciences


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectscience, bookyear1877