Klumpke’s paralysis

Paralysis of the lower arm, with wasting of the small muscles in the hand, and numbness of the fingers (excluding the thumb) and of the inside of the forearm. Klumpke’s paralysis is caused by injury to the 1st thoracic nerve (one of the spinal nerves) in the brachial plexus, which is usually the result of dislocation of the shoulder.


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