finger-nose test

The paralyzed patient rotates the forearm out and straightens to show the tip of the nose. It is slow and fast. After blinking, close the eye and repeat the above movement. When you blink, you only see minor obstacles. When you close your eyes, you lose your visual compensation. It is very different from blinking. You can't even find your own tip tips that are sensory ataxia. Basic Information Specialist Category: Neurological Classification: Other examinations Applicable gender: whether men and women apply fasting: not fasting Tips: Before the inspection, cut the nails short and cut to prevent puncture of your face. Normal value Finger nose movement is accurate. Clinical significance Abnormal results: refers to awkward, inaccurate, uncoordinated, and unstable nasal movements. The lesions in the cerebellar hemisphere are marked by the ataxia of the upper limbs of the diseased side. There is little change in the blinking and closed eyes, which is called cerebellar ataxia. When you blink, you only see minor obstacles. When you close your eyes, you lose your visual compensation. It is very different from blinking. You can't even find your own tip tips that are sensory ataxia. People who need to be examined: Patients with symptoms of unstable walking. Precautions Contraindications before inspection: Cut the nails short and cut before inspection to prevent puncture of your face. Requirements for inspection: When blinking, be careful when the patient pokes to his or her eyes. Inspection process The examiner first gives the patient a demonstration exercise, the arm is abducted and fully extended, and then the tip of the finger is touched with the tip of the fingertip. The position where the arm extends is constantly changing, and the speed is slower and faster. Then let the patient do the same thing, close the eyes after blinking, and make a bilateral comparison. Normal people have accurate movements, and patients with ataxia are awkward, inaccurate, uncoordinated, and unstable. The lesions in the cerebellar hemisphere are marked by the ataxia of the upper limbs of the diseased side, and there is little change in the blinking and closed eyes, which is called cerebellar ataxia. The characteristic of sensory ataxia is that only minor obstacles are seen when blinking, and because of the loss of visual compensation when closing eyes, it is very different from blinking, and even can not find their own tip. Not suitable for the crowd Inappropriate population: Patients with disabilities or injuries in their hands. Adverse reactions and risks Nothing.