Trigger finger is a condition of the hand that limits finger movement. It is characterized by the inability to straighten a finger from a flexed position. It occurs due to tenosynovitis caused by inflammation of the tendon sheaths surrounding the flexor digitorum profundus and flexor digitorum superficialis. The swelling and inflammation prevents the tendon from gliding smoothly through the sheath, and thus the finger gets stuck in the bent position and then snaps back into place. Initial treatm