. Animal mechanics. Animal mechanics. 62 ANIMAL MECHANICS The plumb-line shows the direction of the grav- itation of the body falling behind the head of the thighbone. Now, if it be understood that the O ' motions of the trunk are performed on the cen- tre of the head of the thighbone; it must follow that the weight of the body in the direc- tion of the plumb- line must raise the corner of the haunchbone, at A. From this cor- ner of the bone, a broad and strong band runs down to the knee-pan, B, in the direction of the dotted line. The powerful mus- cles which extend the leg are at- tached to
. Animal mechanics. Animal mechanics. 62 ANIMAL MECHANICS The plumb-line shows the direction of the grav- itation of the body falling behind the head of the thighbone. Now, if it be understood that the O ' motions of the trunk are performed on the cen- tre of the head of the thighbone; it must follow that the weight of the body in the direc- tion of the plumb- line must raise the corner of the haunchbone, at A. From this cor- ner of the bone, a broad and strong band runs down to the knee-pan, B, in the direction of the dotted line. The powerful mus- cles which extend the leg are at- tached to the knee- pan, and through the ligament at C, operate on the bones of the leg, stretching them, and preventing the flexion of the joint; but, in the absence of the activity of these muscles, the band. FIG. 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 Bell, Charles, Sir, 1774-1842; Wyman, Jeffries, 1814-1874. Cambridge [Mass. ] Printed at the Riverside press
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishercambr, bookyear1902
