|
Acromioclavicular Joint Stability |
|
Examination type |
Joint
stability |
|
Patient & Body Segment Positioning |
Patient sits
with the involved arm relaxed at the side. |
|
Examiner Position |
The examiner
stands in front of the patient with one hand grasping the
acromion of the involved shoulder and the other hand grasping
the distal end of the clavicle. |
|
Tissues
Being Tested |
Acromioclavicular Joint and ligaments |
|
Performing the Test |
The examiner
uses the hand on the acromion to stabilize the shoulder while
attempting the move the distal end of the clavicle with the
other hand in a superior/inferior motion. Perform the test
bilaterally for comparison. |
|
Positive Test |
Pain and/or
extra movement of the clavicle as compared bilaterally |
|
Interpretation |
Acromioclavicular and/or coracoclavicular ligament sprains;
acromioclavicular instability |
|
Common errors in
performing exam |
Improper
hand placement; moving the clavicle in the wrong direction |
|
Factors possibly
resulting in misinterpretation |
A fracture
of the clavicle will also cause accessory movement of the
clavicle and pain. |
|
Related tests |
Acromioclavicular Joint compression Test (Shear), Cross Arm test |
|
References |
Konin.
Special Test for Orthopedic Examination. 2nd Ed.
2002. pp.40
Magee.
Orthopedic Physical Assessment. 4th Ed. 2002. pp.274. |
|
Links: |
www.medscape.com/medline/abstract/15310576 |
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