Fact · Accessibility and health
OrthoInfo says de Quervain's tenosynovitis is a painful condition in which thumb-moving tendons become irritated inside the narrow tunnel between the wrist and the thumb.
Checked against its source on October 16, 2026
In the source's own words
“De Quervain's tenosynovitis is a painful condition that occurs when tendons that control thumb movement become irritated inside the narrow tunnel they pass through to get from the wrist to the thumb.”
De Quervain's Tenosynovitis: OrthoInfo, OrthoInfo, American Academy of Orthopaedic Surgeons, n.d., Overview.
Open the original- What it measures
- OrthoInfo is the patient information site of the American Academy of Orthopaedic Surgeons. The two tendons involved are the abductor pollicis longus and the extensor pollicis brevis.
- What it does not show
- This is a patient-level description of the condition. It does not say how common the condition is among people who type or text.