Orthopaedics de Quervain’s disease classically affects the: A Flexor pollicis longus and brevis B Extensor carpi radialis and extensor pollicis longus C Abductor pollicis longus and brevis D Extensor pollicis brevis and abductor pollicis longus 💡 Explanation de Quervain's disease classically affects the: ✓ Correct Answer: D. Extensor pollicis brevis and abductor pollicis longus