Abductor pollicis brevis muscle strength test

The thumb abductor muscle strength test is a method to check whether the muscle has a degree of spasm and spasm. The main function of the abductor muscle is the abduction of the thumb. When the tendon is present, the thumb is inwardly closed. The thumb is inwardly closed, which is a sign of paralysis of the median nerve (derived from the cervical spinal cord 8 to the thoracic cord 1 and the anterior and posterior bundles of the brachial plexus). Basic Information Specialist classification: neurological examination classification: physical examination Applicable gender: whether men and women apply fasting: not fasting Tips: Do not stretch too much when the thumb is not straight and abducted. Normal value The thumb can be abducted normally. Clinical significance Abnormal results The main function of the abductor pollicis muscle is the abduction of the thumb. In this tendon, the thumb is inwardly retracted, which is a sign of paralysis of the median nerve (derived from the cervical spinal cord 8 to the thoracic cord 1 and under the brachial plexus). People who need to be examined: patients with abductor tendon tendon. Precautions Contraindications before examination: The thumb can be relaxed normally before examination. Requirements for inspection: Do not stretch excessively when the thumb is not straight and abducted. Inspection process The paralyzed patient abducts the thumb, and the examiner gives an impedance to the action at the base of the thumb to measure the muscle strength. Not suitable for the crowd A patient with a damaged or disabled palm. Adverse reactions and risks Generally no adverse reactions.

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