File:A treatise on orthopedic surgery (1903) (14578245370).jpg

Identifier: treatiseonorth00whit (find matches)
Title: A treatise on orthopedic surgery
Year: 1903 (1900s)
Authors: Whitman, Royal, 1857-
Subjects:
Publisher: Philadelphia and New York, Lea brothers & co.
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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weakness or weakness that is the directresult of malnutrition at once develops into deformity under the-train of standing and walking. Thus, as a rule, the deformitiesunder consideration first attract attention soon after the child 3452 2030 1422 13 21 Knock-knees. No. cases. Males Females. Over 21. Ovei 202 120 82 1 4 233 135 98 0 11 222 120 102 2 5 232 101 131 0 0 210 109 101 0 2 212 86 126 0 0 162 80 82 1 2 168 89 79 8 2 189 92 97 1 2 159 92 67 3 3 DEFORMITIES OF BOXES OF LOWER EXTREMITY. 555 begins to walk, and the patients are usually brought for treatmentduring the second or third vear of life. If the deformitiesraresevere the body usually presents the evidences of general rha-chitis ; in other instances the distortion of the legs is almostthe onlv sign of its presence, and in a certain number there maybe no evidence whatever of malnutrition or disease. Predisposition to Deformity. It is not always easy to explainwhy weak legs bend in one way rather than in another. In Fig. 332.
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Habitual posture as a factor in the etiology of rhachitic bow-leg. some instances it is probable that a slight degree of deformity ispresent before the child begins to walk. For example, a slightoutward bowing of the legs is said to be common in early infancy,and the use of heavy diapers might favor an increase of the dis-tortion. Knock-knee may be induced, apparently, by foldingifant on the arm with the knees pressed against the chest,and certain cases of knock-knee and bow-leg combined appearto be caused directly by tin- manner f carrying the infanthabitually upon one arm. 556 ORTHOPEDIC SURGER Y. The legs of rhachitic children, who have never walked, areoften somewhat distorted, and in many instances this may beexplained by the habitual postures (Fig. 332). A moderate degree of bow-leg is not infrequently seen invigorous infants who stand and walk at an early age. Asidefrom the determining curve in the bone that may be presentbefore the child begins to walk, this predisposi

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