. Orthopaedic surgery for students and general practitioners : preliminary considerations and diseases of the spine : 114 original illustrations. ed liga-ments and muscles may be effected and if persisted in for asufficiently long period the bones too will undergo functionaltransformation. Later gymnastics, massage and the wear-ing of removable plaster jackets made over a corrected castwill accomplish much. (e) The writers machine is a modification of the largesupine recumbent kyphotone, with the addition of hemi-spherical arcs to which are attached screw pressure rods andplates similar to tho
. Orthopaedic surgery for students and general practitioners : preliminary considerations and diseases of the spine : 114 original illustrations. ed liga-ments and muscles may be effected and if persisted in for asufficiently long period the bones too will undergo functionaltransformation. Later gymnastics, massage and the wear-ing of removable plaster jackets made over a corrected castwill accomplish much. (e) The writers machine is a modification of the largesupine recumbent kyphotone, with the addition of hemi-spherical arcs to which are attached screw pressure rods andplates similar to those used in the Hoffa machine. (, 111 and 112.) The pelvis is supported by a crutch and the thorax by thelateral and diagonal antero-posterior pressure rods. Trac- Johns Hopkins Hospital Bulletin, No. 45, February, 1895. NON-TUBERCULOUS DISEASES OF THE SPINE. 231 tion on the head is made by the ordinary head sHng anddouble pulleys, the hands grasp the hand rods and the legsare made fast to the stirrups. Then as much forcible cor-rection as possible is made by the pressure rods and traction,and a corrective plaster jacket is Fig. 109. Hook Hanging. (/) In certain instances as demonstrated by Lovett inhis experiments more correction by side pressure can beobtained by not using traction on the spine, just as onecould bend a stick more readily if traction, which resists thelateral forces, is not made on the two ends. Boston Medical and Surgical Journal, March 17, 1904. 232 ORTHOPAEDIC SURGERY. Lovetts experiments were made with flexible rods, cada-ver and healthy living subjects and in each the side pull wasmore marked without traction than with it. On these facts the Lovett-Adams machine was con-structed. It consists of a pelvic support and clamps; thebody is prone and the thighs are at a right angle to the body,which is surrounded by three double circles with two pres-sure rods each, on each central circle, which may be made torotate or not bv a setscrew on the o
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