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Forbidden positions: 2, 3, 5.
Safe positions: 1, 4, 6, 7, 8, 9, 10, 11, 12.
Reference positions: 1, 4, 6, 7, 9, 10, 11, 12.
Reference positions with safe rotation: 1, 9, 10,
11, 12.
COMMENTS:
Only console transosseous elements can be used in the projection of positions 8, 9 and 11.
Insertion of console transosseous element in the projection of position 9 may lead to limitation of flexion and extension in the radiocarpal joint but doesn't limit forearm rotation.
The application of position 1, 9, 10, 11 and 12 is optimal at this level, because in this case the transosseous elements will minimally stand in the way of soft tissue displacement relative to the radius while motions in the elbow and in the radiocarpal joints. Insertion of transosseous elements in the projection of pos. 4, 6 and 7 will limit forearm rotation.
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The transosseous elements recommended for use at the radial level VII can be designated as: (VII,1); (VII,1-7); (VII,4); (VII,4-10); VII,6(VII,6); VII,6-12(VII,6-12); (VII,7); (VII,9); (VII,10); (VII,11); (VII,12) and (VII,12)VII,12.
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