Question 1796

Question contributed by Dai Roberts ◉

Disclosures and question data

What is the definition of a hitchhiker thumb deformity?

Extension of the metacarpophalangeal joint and hyperextension of the interphalangeal joint

Extension of the metacarpophalangeal joint and hyperflexion of the interphalangeal joint

Flexion of the metacarpophalangeal joint and hyperflexion of the interphalangeal joint

Flexion of the metacarpophalangeal joint and hyperextension of the interphalangeal joint.

None of the above