. A practical treatise on fractures and dislocations. ocations the head is at a lower level than inrecent ones, indeed it is probably somewhat higher. When the head of the femur leaves the socket at its lower part itpasses usually below the obturator internus and then rises behind it,so that this muscle is interposed between it and the acetabulum (). Or it may lie immediately beneath the obturator internus andpress it forcibly upward, as in Adamss case (Fig. 434), which remainedunreduced until the patients death on the fourteenth day, and in whichthe muscle was so tightly stretched over
. A practical treatise on fractures and dislocations. ocations the head is at a lower level than inrecent ones, indeed it is probably somewhat higher. When the head of the femur leaves the socket at its lower part itpasses usually below the obturator internus and then rises behind it,so that this muscle is interposed between it and the acetabulum (). Or it may lie immediately beneath the obturator internus andpress it forcibly upward, as in Adamss case (Fig. 434), which remainedunreduced until the patients death on the fourteenth day, and in whichthe muscle was so tightly stretched over the upper part of the headthat a deep groov^e had formed in the articular cartilage of the latterexactly corresponding in size and direction to the tendon; the headrested on the spine of the ischium, and the obturator externus andquadratus femoris were ruptured. Or the head may pass above theobturator internus, between it and the pyriformis, as in MacCormacscase (Fig. 435), in which it rested behind the acetabular ridge opposite Fig. 434. Fig.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectfractur, bookyear1912
