handshake test

The two-handed mutual grip test is to fix the metacarpophalangeal joints of the fingers with the proximal knuckles when the two hands are crossed and each other, which is a typical examination of the median nerve paralysis. The two hands hold each other: the patient takes the seat, the two elbows are on the table, the two hands are lifted, and the fingers cross each other to shake hands, so that the index finger and the middle finger of the affected side are not bent. Basic Information Specialist classification: growth and development check classification: physical examination Applicable gender: whether men and women apply fasting: not fasting Analysis results: Below normal: Normal value: no Above normal: negative: The result of the test was negative. The index finger and middle finger can flex and bend. Positive: The abnormal result check result is positive, that is, the index finger and the middle finger on one side of the index are not able to flex after straightening, that is, the side test is positive. Prompt median nerve paralysis. Tips: Check your relaxation, face it positively, and actively cooperate with the inspection. Normal value The result of the test was negative. The index finger and middle finger can flex and bend. Clinical significance The abnormal result check result is positive, that is, the index finger and the middle finger on one side of the index are not able to flex after straightening, that is, the side test is positive. Prompt median nerve paralysis. People who need to be examined can not move their fingers freely. Positive result may be disease: ulnar nerve paralysis notes Inappropriate crowd: None. Taboo before inspection: no special contraindications. Requirements for inspection: Check the feelings of relaxation, face positively, and actively cooperate with the inspection. When the hands are crossed, the metacarpophalangeal joints of the fingers should be fixed with the proximal knuckles to prevent false negatives. Inspection process The patient is seated, two elbows are on the table, both hands are lifted, and the fingers are crossed for mutual handshake. If one side of the index finger and the middle finger are straight and cannot be flexed, the test is positive on the side. Not suitable for the crowd There are no specific taboos. Adverse reactions and risks Generally no complications occur.