question: Muscles affected in De quervain tenosynovitis -
opa: Abductor pollicis longus and extensor pollicis brevis
opb: Adductor pollicis longus and extensor pollicis brevis
opc: Abductor pollicis longus and Flexor pollicis brevis
opd: Adductor pollicis longus and Flexor pollicis brevis