. Radiography and radio-therapeutics . er cent. Dis])lacement of Fragment of the Shaft.—This is chiefly backwards, as in theradius, though, owing to a fracture in some cases being continued up from thestyloid process, the frequency with no displacement is also high. Fractures of the Bones of the Hand Fracture of the Carpal Bones.—Any of these may be fractured,examples being met with in routine examination. Injury is present in oneor more of these in 13 per cent of the total number of cases described proves how frequently these are damaged in wrist injuries, and probablythe frequency
. Radiography and radio-therapeutics . er cent. Dis])lacement of Fragment of the Shaft.—This is chiefly backwards, as in theradius, though, owing to a fracture in some cases being continued up from thestyloid process, the frequency with no displacement is also high. Fractures of the Bones of the Hand Fracture of the Carpal Bones.—Any of these may be fractured,examples being met with in routine examination. Injury is present in oneor more of these in 13 per cent of the total number of cases described proves how frequently these are damaged in wrist injuries, and probablythe frequency is even greater, as only undoubted cases of injury are carpus without either of the forearm bones is injured in 5 per cent ofcases, the carpus and radius in 4 per cent, and in none is the carpus injuredwith the ulna only, showing that the ulna does not directly take part in themechanism of the wrist-joint. The carpus, radius, and ulna are togetherinjured in 3 per cent of cases. The scaphoid is the one most frequently. PLATE XXVIII.—Fhactuhes in Foreakm, , and Hand. a, Fracture of terminal phalanx of tlunnb, backward displacement. Lateral and views. b, Fracture of trapezium. c, Fracture through lower eml of shaft of radius, very little displacement. d, Non-union fracture of radius and ulna, formation of false joints.
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