FROMENT' S

SIGN

​• ​Test positioning

The client may sit or stand.

The therapist sits next to the client.

​• Action

The client is instructed to hold a piece of paper between the thumb and index finger.

The therapist then tries to pull the paper out.

​• Positive finding

Flexion of the client's distal interphalangeal joint of the thumb is indicative of adductor pollicis muscle paralysis due to ulnar nerve damage.

​• Special considerations & comments

Simultaneous hyperextension of the metacarpophalangeal joint of the thumb is indicative of ulnar nerve compromise.

This is known as Jeanne's sign.