De-Quervain's disease classically affects the -
Flexor pollicis longus and brevis
Extensor carpi radialis and extensor pollicis longus
Abductor pollicis longus and brevis
Extensor pollicis brevis and abductor pollicis longus
De-Quervian's tenovaginitis is characterized by pain over the styloid process of the radius and palpable thickening in the course of the abductor pollicis longus and extensor pollicis brevis tendons.