Jun 30, 2024 · The OK sign test is a clinical test to evaluate for potential injury of the anterior interosseous nerve. The anterior interosseous nerve (roots C8-T1) is a branch off the median …

May 23, 2021 · MCP, PIP and DIP of all fingers held in extension with hand flat and palm up; the finger to be tested is then allowed to flex at PIP joint.

Examine the patient for lack of distal interphalangeal (DIP) flexion in the index finger and interphalangeal (IP) flexion in the thumb. Check the contralateral hand, wrist and forearm. A …

Jul 26, 2017 · A common test used in clinical practice is the OK sign which grossly verifies the integrity of the median nerve, and specifically tests the anterior interosseous nerve.

Jul 6, 2024 · The OK (pinch, straight thumb) sign refers to an inability to form the “OK” sign.

Apr 16, 2018 · Test OK sign, fingers crossed (index and middle), spread fingers wide and hold them out against resistance. Test gross sensation in each fingertip, and on the back of the hand.

Mar 27, 2024 · "OK-Sign" (Anterior Interosseous Nerve): To test the function of the anterior interosseous nerve, instruct the patient to make the "OK" gesture by touching the tip of their …

Anterior interosseous branch: Have patient make an OK-sign. Thumb IP and index DIP should be flexed, making a circle shape rather than a teardrop shape. Have patient make "thumbs up". …

Jun 21, 2013 · This video demonstrates the OK Sign as a test to determine if a patient has compromise of the anterior interosseous nerve.

Patients with compromise of the anterior interosseous nerve will not be able to perform the OK Sign, opposing thumb and second finger.