Deep finger flexor muscle strength test

Refers to the deep flexor muscle strength test is a method to check whether the muscle has sputum and sputum. The main function of the third and fourth fingers of the deep flexor is to make the third and fourth finger end flexion. When the tendon is bent, the hand is skewed to the temporal side, and the wrist cannot be flexed. When the patient is slightly paralyzed, the 4th and 5th fingers cannot make a fist. Basic Information Specialist classification: neurological examination classification: neuroelectrophysiology Applicable gender: whether men and women apply fasting: not fasting Tips: Cut off the long nails before doing the scratching exercise to prevent the nails from turning forward when scratching. Normal value The little finger can do the scratching movement on the table, and the 4th and 5th fingers can flex when the fist is made. Clinical significance Abnormal result The main function of the third and fourth fingers of the deep flexor is to make the third and fourth finger end flexion. When the tendon is bent, the hand is deflected to the temporal side, and the wrist cannot be flexed. When the patient is slightly paralyzed, the 4th and 5th fingers cannot make a fist, and the ulnar nerve is derived from the cervical spinal cord 8 to the thoracic spinal cord 1 and under the brachial plexus. Medial bundle) signs of paralysis. People who need to be checked Refers to patients with deep flexor tendons. Precautions Taboo before the test: Make a long nail cut off before doing the scratching exercise to prevent the nail from turning forward when scratching. Requirements for inspection: When you are doing scratching, you should choose a table with a smooth desktop. The tabletop is too rough or stinging to easily scratch your fingers. Inspection process The paralyzed patient puts the palm of the hand close to the table, and uses the little finger to do the scratching exercise on the table, or the patient to make a fist and observe whether the 4th and 5th fingers can flex. Not suitable for the crowd A patient with a damaged or disabled finger. Adverse reactions and risks Generally no adverse reactions.