Froment's sign presents after damage to the ulnar nerve, which innervates the adductor pollicis and interossei muscles, which provide adduction of the thumb and extension of the interphalangeal joint.

Froment sign is a special test of the wrist for palsy of the ulnar nerve, specifically, the action of adductor pollicis. [1] To perform the test, a patient is asked to hold an object, usually a flat …

2022年3月3日 · The Froment’s sign is used to test the function of the adductor pollicis muscle. when pinching a piece of paper between the thumb and index finger against resistance, the thumb IP joint will flex if the adductor pollicis muscle is weak.

If the test is positive, it indicates recruitment of median innervated musculature to compensate for the weakened ulnar innervated pinch muscles (adductor pollicis and first dorsal interosseous).

2025年1月23日 · Froment sign is used to evaluate the ulnar nerve motor weakness due to entrapment at the elbow or at the wrist, it’s used to check the function of the adductor pollicis muscle.

2024年1月10日 · In the world of clinical diagnostics, Froment's sign is a subtle yet powerful tool that clinicians employ to uncover ulnar nerve dysfunction. Named after the French neurologist …

2014年5月22日 · Dr. Ebraheim’s educational animated video describes the Froment's Sign - Ulnar Nerve Injury. The Froment’s sign occurs due to weakness of the adductor pollic...

2012年8月20日 · Physical examination procedure for assessment of ulnar nerve neuropathy.

2024年8月6日 · Froment's Sign Test is a physical examination of the hand designed to detect potential ulnar nerve palsy or injuries. It tests the strength of the thumb, specifically the …

2013年9月10日 · Froment's sign is excessive flexion of the interphalangeal joint of the thumb during pinching. Can be positive in Guyon's canal and cubital tunnel syndrome.