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Athletic Training & Sports Medicine Center

Examination Links:

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Alphabetical Listing
of Examinations
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Head

Cervical Spine

Thoracic Spine

Lumbar Spine

Shoulder

Elbow & Radioulnar

Wrist

Hand & Fingers

Sacroiliac Joint

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Ipsilateral Prone Kinetic Test
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FABER Test
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Passive Extension & Internal 
Rotation of Ilium on Sacrum

Passive Flexion & External 
Rotation of Ilium on Sacrum

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Passive External Rotation 
of Hip
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Pelvic Rocking Test
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Gapping Test
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Prone Gapping (Hibb's) Test
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Approximation Test
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Squish Test
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Sacroiliac Rocking Test
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Sacral Apex Pressure Test
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Torsion Stress Test
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Femoral Shear Test
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Superoinferior Symphysis
Pubic Stress Test

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Piedallu's Sign
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Flamingo Maneuver or Test
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Gaenslen's Sign
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Mazion's Pelvic Maneuver
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Yeoman's Test
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Sit-up Test
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Hip & Thigh

Knee

Lower Leg

Ankle

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Foot
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Morton Test
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Range of Motion
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Goniometry
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Manual Muscle Testing
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Reflexes
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Vital Signs
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Body Composition
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Gamekeeper's Thumb Test

Other Names

Thumb Ulnar Collateral Ligament Laxity or Instability test

Examination type

Ligamentous laxity, joint stability

Patient & Body Segment Positioning

Patient sits with forearm in neutral and hand supported in a relaxed position on the table surface.

Examiner Position

Sitting or standing in front of the involved hand, the examiner stabilizes the patients palm with one hand and just above the metacarpophalangeal (MCP) joint of the thumb being tested with the other hand. The thumb of the hand stabilizing the palm should be placed on the lateral side of the patient’s MCP join to act as a fulcrum during the test.

Performing the Test

The examiner apples a valgus stress to the metacarpophalangeal (MCP) joint of the thumb which stresses the ulnar collateral ligament.

Tissues Being Tested

Ulnar Collateral Ligament of thumb, volar plate, joint capsule

Positive Test

Pain and/or excessive opening at the joint

Interpretation

If Valgus stress is more than 35°, it indicates a tear of the ulnar collateral and accessory collateral ligaments. Pain in the region with no joint laxity indicates a sprain (1⁰ or 2⁰) of the ulnar collateral ligament.

Common errors in performing exam

Applying stress at the wrong joint; not allowing patient to relax

Factors possibly resulting in misinterpretation

A non-displaced avulsion fracture may also cause these signs and symptoms.

Related tests

Compression test to rule out fracture, ligamentous instability test for fingers

References

Magee, David J. (2002). Orthopedic Physical Assessment. Philadelphia, PA: Elsevier

Links:

http://www.emedicine.com/orthoped/topic112.htm

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