de Quervain Syndrome Home Envira Galleries de Quervain Syndrome 11 September 2014 0 Fig 1A - The first dorsal compartment. There are six compartments on the dorsal, or back, side of the wrist. The first and third compartments house tendons that control the thumb.Fig 1B - A drawing of the first dorsel compartment.Fig 2A & 2B - Pain with this motion (a hammering motion with the thumb in the fist) is characteristic of deQuervain syndrome. Leave a Comment Click here to cancel reply. Comments are closed.