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8* Resisted Abduction
· stabilize the pelvis at the contralateral side
· abduct the arm slightly and take hold of the lateral side of the elbow;
· resist the the attempt to abduct the arm
· Adopt a good starting position so the force exerted by the patient can easily be resisted.
· All contractile structures of the rotator cuff have also a stabilizing function on the scapulohumeral joint. It may therefore be possible that they are active during other movements than those exerted by their primary function which, consequently, may result in a slightly erroneous picture. (see: help - examination)
· Sometimes the resisted movements indirectly provoke non-contractile (inert) structures. This is called "transmitted stress" and may be another source of possible errors during the interpretation.
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