Using an Oval-8 to treat a Trigger Finger or Trigger Thumb

Posted by Jennifer Curtis on Thu, Apr 23,2015 @ 09:42 AM

Trigger Finger and Trigger Thumb are common causes of hand pain and disability. Enlargement, thickening, or inflammation of the flexor tendon along the distal aspect of the palm, inhibit normal tendon gliding within the tendon sheath, causing the finger to “stick” when flexed and “trigger” when pulled into extension.

Triggering is frequently experienced after prolonged gripping or in the morning after sleeping with the hand in a fisted position for a long period. There may be tenderness when pressure is applied in the palm over the A1 pulley at the level of the MP joint.

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Tags: Trigger finger, Trigger thumb

Treating Trigger Thumb with an Oval-8 Finger Splint

Posted by Ginny Wolfe on Fri, Jan 16,2015 @ 11:32 AM

With trigger thumb, patients present with a painful thumb that sticks or catches, often audibly, upon flexion or extension. Or, the patient’s thumb may be stuck or locked in the flexed position. Trigger thumb is thus named because once the thumb unlocks (often by passive manipulation), it snaps back much like discharging a trigger on a gun.


  • Audible popping sound and pain upon flexion and extension
  • Thumb catches or gets stuck in flexion and may need to be pulled straight
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Tags: Trigger thumb

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