Nervous and mental diseases . Fig. 110.—Brachial plexus injury. Area of anesthesia below black line. Injuries to the brachial plexus usually involve more than one ner^•ein the arm. Nerve injury arising from dislocations of the humerusand from strains on the arm usually implicate several nerves. Thus themedian, ulnar, and musculospiral may be injured together, or a singlenerve may suffer. In figure 110 is shown a case suffering from a 1 Jour. A. M. A., Jan. 12, 1907. ^ u^j.^ ^ed. Jour., Oct. 17, 1903. 304 DISEASES OF SPIXAL MEXIXGES AXD SPIXAL XERVES. wrench of the arm received in alighting fro
Nervous and mental diseases . Fig. 110.—Brachial plexus injury. Area of anesthesia below black line. Injuries to the brachial plexus usually involve more than one ner^•ein the arm. Nerve injury arising from dislocations of the humerusand from strains on the arm usually implicate several nerves. Thus themedian, ulnar, and musculospiral may be injured together, or a singlenerve may suffer. In figure 110 is shown a case suffering from a 1 Jour. A. M. A., Jan. 12, 1907. ^ u^j.^ ^ed. Jour., Oct. 17, 1903. 304 DISEASES OF SPIXAL MEXIXGES AXD SPIXAL XERVES. wrench of the arm received in alighting from a moving ulnar, internal cutaneous, nerve of Wrisberg, and intercosto-humeral were simultaneously injured. The anesthetic area could bedistinctly marked out. A similar combination of nerve-lesions occursin birth-palsies from pulling on the arm or using a hook over the neck orin the axilla. Figure 111 shows the deformity in such a case : in a breechpresentation attempts were made to draw the arm down from
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Keywords: ., bookcentury1900, booksubjectmentalillness, booksubjectnervoussys
