Trigger thumb, stuck in a flexed position (flexion). The condition is often painless, but your child may also experience pain when straightening her digits and her finger may get stuck in a crooked or bent position. In children, the most common digit involved is the thumb. Trigger thumb occurs in approximately three out of 1,000 children at 1.
Congenital trigger thumb is a trigger thumb in infants and young children. Triggering, clicking or snapping is observed by flexion or extension of the interphalangeal joint (IPJ). In the furthest stage, no extension is possible and there is a fixed flexion deformity of the thumb in the IPJ.Specialty: Plastic surgery.
Apr 22, 2018 · As in the case of adults, the primary trigger thumb symptoms are the catching or locking sensation. But in children, the explanation for congenital trigger thumb is that the sheath is developing too narrow for the tendon to glide easily through. Congenital, meaning present at birth, means babies were born with trigger thumb.
Trigger thumb occurs when the tendon swells, forming a bump (nodule) near the A1 pulley. The nodule gets stuck at the pulley, so the tendon cannot glide inside the sheath. You may be able to feel this bump on your child’s palm at the base of their thumb. Trigger thumb in children.