Asian Pain Academy

Trigger finger is a common painful condition affecting the fingers and thumb, often causing catching, clicking, or locking during movement. It is associated with pathology of the A1 pulley, which surrounds the flexor tendon at the level of the metacarpophalangeal (MCP) joint. In this educational article, Asian Pain Academy presents the clinical approach to ultrasound-guided injection for Trigger Finger, including the anatomy of the A1 pulley, conservative management, corticos