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"The Shoulder" Demo

10* Resisted Lateral Rotation

Procedure:

  • One hand immobilizes the contralateral shoulder
  • Elbow bent to 90 and in contact with the trunk
  • Shoulder in neutral position (forearm at 12 hours)
  • The other hand against the outer and distal aspect of the forearm.
  • Resist the attempt to rotate the forearm laterally
  • Remarks:

  • Adopt a good starting position so the force exerted by the patient can easily be resisted.
  • Make sure the patient keeps the elbow against the body, so there is no element of abduction during the movement
  • Also extension of the elbow during lateral rotation should be avoided
  • 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.
  • Anatomical structures tested


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