Trigger finger or thumb
A ‘snapping’ sensation with a catching pain may be felt in the hand on bending and straightening a finger or the thumb. The tendon that makes the finger or thumb bend runs through a ‘pulley’ that can become thickened and lead to the problem.
Trauma to the hand or repetitive strain can lead to the problem that is best treated with a local injection of steroid that will reduce the thickening and restore smooth gliding of the tendon. Physiotherapy with ultrasound and mobilising techniques can be tried if injection is not appropriate.
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