. The American journal of roentgenology, radium therapy and nuclear medicine . ays only, following reduction. Theultimate function is practically all fractures caused by an automobileback-firing are of this type, some beingtypical Colles fractures. The exact natureof the injury must be known to be intelli-gently treated. In Colles fractures several importantpoints seem conclusive. Eighty per cent,of these fractures show a marked bulgingof the posterior part of the lower fragmentof the radius, owing to the fractured endof the shaft being driven into it and causingcomminution. The an
. The American journal of roentgenology, radium therapy and nuclear medicine . ays only, following reduction. Theultimate function is practically all fractures caused by an automobileback-firing are of this type, some beingtypical Colles fractures. The exact natureof the injury must be known to be intelli-gently treated. In Colles fractures several importantpoints seem conclusive. Eighty per cent,of these fractures show a marked bulgingof the posterior part of the lower fragmentof the radius, owing to the fractured endof the shaft being driven into it and causingcomminution. The anteroposterior diam-eter of the wrist is increased just underthe dorsal annular ligament. If the impac-tion is not broken up and the fracturereduced, this interferes with the use ofthe extensor tendons, and loss of function 457 458 Functional Disability Following Fractures may result. Usually, it is impossible toreduce an impacted Colics fracture with-out giving an anesthetic, and even then itmay be difficult to break up the perfect reduction is obtained and the. Fig. I. Case No. 6587B. Lateral View of a CollesFracture. This is put up in the full flexed wrist position withmoulder posterior plaster splint. At two weeks thispatient was writing his records with this hand. joint is immobilized for the length of timeformerly thought necessary in treatingthese fractures, marked functional dis-ability will certainly occur, and it may bemonths before a proper use of the jointis possible! If not properly reduced andfixation is applied for a few weeks, mostcertainly will loss of function persist formonths and even years. As flexion of thewrist and fingers has been the hardestmotion to obtain following such injuries,it is a strong argument for the use ofthe full-flexed wrist position recommendedby the late Dr. John Murphy in treatingColles fractures, even though there is noother indication for its use. It, however,offers the further advantage of retaining the fragments in accu
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