. Radiography and radio-therapeutics . te may be placed upon the inneraspect and the tube centred over the mid-point between the os calcis andthe end of the toes. 220 KADIOGKAPHY By making another exposure the outer aspect of the foot may be broughtinto closer contact with the plate. The os calcis can be examined in three positions : (1) In the lateral position, plate on outer aspect of foot. (2) Lateral aspect, plate on inner side of the foot. (3) With a plate placed under the foot, the patient standing upon it,the tube being centred behind the bone, well above the insertion of the tendoAchil
. Radiography and radio-therapeutics . te may be placed upon the inneraspect and the tube centred over the mid-point between the os calcis andthe end of the toes. 220 KADIOGKAPHY By making another exposure the outer aspect of the foot may be broughtinto closer contact with the plate. The os calcis can be examined in three positions : (1) In the lateral position, plate on outer aspect of foot. (2) Lateral aspect, plate on inner side of the foot. (3) With a plate placed under the foot, the patient standing upon it,the tube being centred behind the bone, well above the insertion of the tendoAchillis, and directed obliquely downwards and forwards. A good view ofthe whole bone may be obtained in this way. To obtain a reliable radiograph of the metatarsus and phalanges, thefoot is placed upon the plate and the tube is directed downwards and slightlytowards the heel. The patient may stand upon the plate ; or if he is lyingon the back, the knee-joint is flexed, and the plantar aspect of the foot isplaced in contact with the PLATE XX.—Normal Shoulder-joint. a, Xormal shoulder-joint, plate on posterior aspect of joint. b, Xormal shoulder-joint, plate on anterior aspect. c, Xormal shoulder-joint, arm abducted.
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Keywords: ., bookcentury1900, bookdecade1910, bookidradiographyr, bookyear1919
