A treatise on the structure, functions, and diseases of the foot and leg of the horse

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Longman, Orme, Brown, Green and Longmans, 1840 - Horseshoeing - 337 pages
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Page i - SPOONER.-A TREATISE ON THE STRUCTURE, FUNCTIONS, and DISEASES of the FOOT and LEG of the HORSE; comprehending the Comparative Anatomy of these parts in other Animals, embracing the subject of Shoeing and the proper Treatment of the Foot; with the Rationale and Effects of various Important Operations, and the best methods of performing them.
Page 43 - ... the centre of motion in the joint; and that, in fact, they require some additional means to aid the extension of the leg. Suppose that the head of the lesser metacarpal bone enters into the composition of the joint, it does not appear that, by its yielding when the foot is upon .the ground, the bones of the carpus can descend, as long as they are sustained by the greater metacarpal or cannon bone. I do not, therefore, conceive that this bone can add to the elasticity of the foot. But when we...
Page 123 - The hind shoes should also, when there is any disposition to overreach, be square at the toe, set a little within the crust ; and the inner rim at the toe should have a piece cut out, so that, instead of a sharp edge, there should be a rounded surface, which, of course, is not so likely to catch the heels of the fore feet.
Page 44 - ... perceive that the head of the splint bone is behind the centre of motion in the joint, it is obvious that it must be more pressed upon in the bent condition of the joint, when the foot is elevated, and that then the bone must descend. If the splint bone be depressed when the limb is raised and bent, and have a power of recoiling (which it certainly has), it must aid in throwing out the leg into the straight position, and assist the extensor muscles of the knee.
Page 241 - Sewell has introduced, within the few past years, an excellent mode of performing the operation. The horse is cast, the leg properly straightened and secured, and then a small opening is made just below the splent sufficient to introduce a long, narrow, convex, probe-pointed knife, the edge of which is on the convex side The knife is then passed up under the skin, and by drawing it backward and forward on the splent, pressing firmly at the same time, the periosteum is completely divided.
Page 239 - ... corrosive sublimate, or other strong caustic, so as to occasion a slough ; in this case too the remedy was as bad as the disease, — the horse was disfigured for life. Better and more recent treatment than this was either firing or blistering. The objection to the former, however, was the marks it produced ; and to the latter, in common with the former, that though the lameness was removed, it very frequently returned with the resumption of labor. " The more modern, successful, and scientific...
Page 133 - ... in a straight line, over ground sufficiently soft to retain slightly the impressions of the shoes, but not to admit the feet to sink into it. Two parallel lines were drawn along the track, including between them the prints of the shoes. By these it was found, that there...
Page 123 - ... no evil will result from this, because, in the field, the pressure on the crust is, in a great degree, relieved by the sole and frog. There must be space for a picker to pass between the foot and inner rim of the shoe, but no more, as the foot can then be withdrawn from heavy soil with less difficulty than when the usual space is permitted. To avoid overreaching, the heels of the fore shoes should scarcely project beyond the heels of the crust, and they should be rounded off, instead of being...
Page 234 - Before the seton is inserted a shoe should be placed on the foot, nailed on the outside quarter only, which will much assist the expansion of the foot. By the judicious employment of the treatment we have recommended, varied or modified according to the nature of the case, we may in many instances effect a cure; but a love of truth obliges us to confess, that in the majority of cases, taking them as they come, no treatment will succeed. In chronic cases of navicular disease, in which there is no...
Page 43 - ... bone to the greater metacarpal or cannon bone ; and that this, which is called a splint, is a cause of lameness. I suspect, rather, that in the perfect state of the joint, these lesser metacarpal bones act as a spring to throw out the foot, when it is raised and the kneejoint bent.

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