A 2020 study found that PTT happens as a result of damage to specific brain areas responsible for movement. Traumatic brain injury (TBI): Tremor as a consequence of TBI is called post-traumatic tremor (PTT).Damage to the basal ganglia causes a person to have resting tremors, while damage to the cerebellum causes intention tremors. Stroke: After a stroke, a person can show a variety of tremors depending on the area affected.Shaking may become more pronounced during periods of stress or strong emotion. Tremors usually begin on one side of the body, and may spread to the opposite side. About 75% people with PD have tremors, whether resting, action, or mixed. Parkinson’s disease (PD): This disease involves a loss of nerve cells in part of the brain that plays a critical role in motor movement.This often develops when the disease damages areas in the pathways of the central nervous system that control movement. Many people with MS experience some degree of tremor. Multiple sclerosis (MS): This degenerative disease attacks the brain and spinal cord, making it difficult for the nerves to relay messages.Some neurological conditions that can cause shaky hands include: Tremors are generally due to an issue in the deep parts of the brain that control movement. The following may cause EPT in some people:Įnhanced physiological tremor does not require medical treatment, except when a person needs to rely on fine muscle coordination for their work or other activities. It usually affects the hands and fingers on both sides of the body. Enhanced physiologic tremorĮnhanced physiologic tremor (EPT) is a more noticeable form of physiologic tremor. Below are some potential causes of tremors. Tremors can be normal or could result from neurological conditions, other health problems, or medication use. Sometimes, tremors can indicate an underlying health issue, especially if they are persistent or very pronounced. The majority of tremors are action tremors. Action tremors: These occur when the muscles are contracted due to voluntary movement.Resting tremors: These occur when the muscles are relaxed, including when the hands are resting on the lap.the voice box (larynx), which may cause a shaky voice.However, it can also occur in other body parts, such as: Hand tremors may be more noticeable when a person holds their hands out straight in front of the body or when they are stressed or anxious. Physiologic tremors are often so small that a person does not see or notice them. Everyone has a slight tremor when moving or maintaining a particular posture. Tremors are involuntary, rhythmic muscle contractions that make a body part appear to be shaking or trembling. Share on Pinterest Francesca Lagonika/EyeEm/Getty Images
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