Anatomy De Quervain’s disease is tenosynovitis of A Abductor pollicis brevis and extensor pollicis longus B Abductor pollicis longus and extensor carpi radialis brevis C Abductor pollicis longus and extensor pollicis brevis D Abductor pollicis brevis and extensor carpi radialis longus 💡 Explanation De Quervain's disease is tenosynovitis of ✓ Correct Answer: C. Abductor pollicis longus and extensor pollicis brevis