True about proximal fragment in supratrochantric fracture is ?
Correct Answer: All the above
Description: Ans. is 'd' i.e., All of the above Deformity in cases of fracture subtrochanteric femur The proximal femur is surrounded by very large and powerful muscles. In the case of a fracture, their spatial arrangement, combined with their origin and inseion, results in a very characteristic deformity. The proximal fragment, as a result of contraction of the abductors, the external rotators, and the iliopsoas muscle, is flexed, abducted, and externally rotated. The adductors cause the shaft to be adducted, and the force of gravity causes the distal fragment to fall into some external rotation. All the muscles that span the fracture combine to cause shoening. Thus, the resultant deformity is one of an anterior and lateral bowing of the proximal shaft, combined with considerable shoening and variable degrees of external rotation.
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