Finger (toe) sign

Tardive dyskinesia is divided into the following types according to the dyskinesia: ① abnormalities of eye muscle movements: manifestations of blinking, blepharospasm, etc .; ② abnormalities of facial muscle movements: facial muscle twitches, convulsions, and frowning faces; ③ abnormalities of mouth muscle movements: pouting , Pouting, chewing, aspiration, and lateral movement of the lower jaw; ④ abnormal movement of the tongue muscle: tongue extension, contraction, peristalsis and licking of the lips; ⑤ abnormal movement of the pharynx muscle: abnormal movement of the palate affects pronunciation and swallowing; ⑥ neck movement Abnormalities: torticollis, back of neck, etc .; abnormal trunk movements: unbalanced trunk movements throughout the body, showing strange postures, such as shrugging, back flexion, twisted spasms, diaphragmatic spasms, snoring, and difficulty breathing, sometimes around the body Swinging, repeated flexion and extension of the trunk, and twisting back and forth, called body-rocking; abnormal limb movements: continuous flexion and extension of the distal limbs, known as finger-toe sign of piano playing, rarely affected at the proximal end, and a few show dance Finger movements, throwing movements, hand and foot movements, hands raised repeatedly or legs jumping continuously.

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