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Forbidden positions: 1, 2, 3, 4.
Safe positions: 5, 6, 7, 8, 9, 10, 11, 12.
Reference positions: 8, 10, 11.
COMMENTS:
Only console transosseous elements can be used in the projection of positions 7, 8, 9 and 10.
The application of positions 8, 10 and 11 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 humerus while motions in the glenohumeral joint.
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