People between the ages of 30 and 50 have a higher risk of developing de Quervain's tenosynovitis than do those in other age groups. The condition is more common in women than in men, and it may be associated with pregnancy. Baby care, which involves using your thumbs as leverage to lift your child hundreds of times a day, may also be associated with the condition.

Jobs or hobbies that involve repetitive hand and wrist motions may contribute to de Quervain's tenosynovitis as well.

Aug. 01, 2012