Tremor: when hands do not obey and the heart trembles Imagine trying to pour tea into a cup, but your hand shakes so strongly that the hot liquid splashes everywhere. Or you want to write a greeting card, but the letters come out uneven, as if drawn by a child. This is not just awkwardness or nervousness. This is tremor — a rhythmic involuntary movement of body parts that can turn simple actions into a real quest. Tremor does not choose: it can catch up with both the young and the old, both athletes and office workers. But what is this phenomenon, why does it arise, and most importantly, how to fight it? Let's figure it out. What is tremor: not just shivering Tremor is involuntary, rhythmic movements that occur due to the contraction of antagonist muscles. In simple words, this is when muscles responsible for flexion and extension of the limb begin to contract alternately, creating a oscillating effect. It can be barely noticeable, almost imperceptible, or strong, interfering with everyday tasks. Tremor is not a disease, but a symptom that can indicate a wide variety of conditions: from ordinary fatigue to serious neurological disorders. Types of tremor: each has its own cause The first thing to understand when embarking on a journey through the world of tremor is its classification. It helps doctors determine exactly what they are dealing with and what strategy to choose. Rest tremor This type of tremor occurs when a muscle is relaxed, at rest. A classic example is the tremor of hands in a patient with Parkinson's disease when they are lying motionless on their knees. Such trembling often resembles rolling small balls between the thumb and index finger. As soon as a person begins to perform any action, the tremor of rest disappears or becomes less noticeable. Action tremor (or tension tremor) This type arises when trying to perform any movement or maintain a pose. It is divided into several subtypes, but the main ones are postural tremor (when a person tr ... Read more