Froment sign


Fro·ment sign

(frō-mawn[h]'), flexion of the distal phalanx of the thumb when a sheet of paper is held between the thumb and index finger in ulnar nerve palsy.

Fro·ment sign

(frō-mōn[h] sīn) A maneuver used to determine ulnar nerve damage, whereby the person examined grasps a piece of paper between thumb and forefinger. The clinician attempts to pull the paper away. The test result is positive if the distal phalanx of the thumb flexes to hold the paper.

Froment sign

(frō-mon′) [Jules Froment, Fr. physician, 1878–1946] Flexion of the distal phalanx of the thumb when a sheet of paper is held between the thumb and index finger. It indicates ulnar nerve palsy.

Froment,

Jules, Lyon physician, 1878-1946. Froment sign - flexion of the distal phalanx of the thumb when a sheet of paper is held between the thumb and index finger in ulnar nerve palsy.