Identifier: atlasepitomeoft00helf (find matches)
Title: Atlas and epitome of traumatic
Year: 1902 (1900s)
Authors: Helferich, Heinrich, 1851- (from old catalog)
Subjects:
Publisher: Philadephia and London, W. B. Saunder or company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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ednot only the surgical neck, but also the region of the tuberosities andthe anatomic neck. There is great inward and upward displacementof the lower fragment; the arm is in abduction. The two fragmentsare united by an abundant mass of not very condensed callus. Thefracture was evidently produced by great violence; it presents theappearance of a compression-fracture. (Authors collection.) 4. HUMERUS (A) Fractures of the Upper End of the HumerusThe upper extremity of the humerus presents the fol-lowing parts : the anatomic neck ; the region of the tuber-osities ; and, below the latter, the surgical neck. Fracturemay take place in any one of these regions; as a rule, theline of fracture is not confined to one, but extends moreor less into neighboring parts. Fracture of the upper end of the humerus may be dueto direct or to indirect violence. Indirect violence mayproduce it by compressing the bone in its long axis againstthe glenoid fossa or the arch of the acromion, as in a fall Tab.32,
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Fig.Z. l.ith. Ami F. Rpwiiiiold. Uunchm. FRACTURES OF TEE UPPER EXTREMITY. 155 Fractura- colli anatomiei Fr. through thetuberosities xr. Colli chirurgici. - -h on the elbow. Direct violence may consist in a blow or afall on the outer side of the shoulder. Examination in these cases always presents some diffi-culties;, and if the extravasation of blood is profuse, thediagnosis may be exceedingly difficult. After inspection,by which we determine the direction of the shaft of thebone and the alteration in the outline of the shoulder, weproceed to palpation, which is equally important. Thetuberosities, the groove between them, and the region ofthe surgical neck canbe directly palpatedunder normal condi-tions ; not so, how-ever, the region ofthe anatomic neckand head of the bone.The parts should befelt from the outside ;from in front; ifnecessary, from be-hind ; and last, butnot least, through theaxilla. (a) Fracture ofthe anatomic neckalone is a very rare accident. If only the articular h

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