crazy.medicine on Instagram: "Answer: Asterixis (Flapping tremors). Asterixis is a clinical sign that describes the inability to maintain sustained posture with subsequent brief, shock-like, involuntary movements. This motor disorder is myoclonus characterized by muscular inhibition (whereas muscle contractions produce positive myoclonus). It is most commonly associated with metabolic encephalopathies, especially hepatic. The presumption in hepatic encephalopathy was that damage to brain cells d