3rd extensor compament of wrist contains tendon of ?
ECRL
ECRB
EPL
EPB
Ans. C) EPL The third compament contains the extensor pollicis longus tendon, which originates at the mid-ulna and inses at the base of the first distal phalanx. In combination with the EPB tendon, it extends the thumb at the first carpometacarpal and first interphalangeal joints.