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Muscles That Vibrate, Jitter, Tremor, Or Shake When Used - Anxiety Symptoms

Muscles that vibrate, jitter, tremor, or shake when used:

This symptom is characterized as muscles that vibrate, jitter, tremor, or shake when they are used. Some people experience this symptom when they raise a limb, others when they lower a limb, and yet others when both raising and lowering.

Some people experience this symptom as jitterness, shakiness, twitching, and/or spasms when using their muscles.

Muscles that vibrate, jitter, tremor, or shake can persistently affect one area only, can shift and affect another area or areas, and can migrate all over and affect many areas over and over again.

Muscles that vibrate, jitter, tremor, or shake can come and go rarely, occur frequently, or persist indefinitely. For example, you may shaking muscles once in a while and not that often, feel it off and on, or feel it all the time.

Muscles that vibrate, jitter, tremor, or shake may precede, accompany, or follow an escalation of other anxiety sensations and symptoms, or occur by itself.

Muscles that vibrate, jitter, tremor, or shake can precede, accompany, or follow an episode of nervousness, anxiety, fear, and elevated stress, or occur ‘out of the blue’ and for no apparent reason.

Muscles that vibrate, jitter, tremor, or shake can range in intensity from slight, to moderate, to severe. It can also come in waves, where it’s strong one moment and eases off the next.

This symptom can change from day to day, and/or from moment to moment.

All of the above combinations and variations are common.

What causes the muscles that vibrate, jitter, tremor, or shake when used anxiety symptom?

Anxiety causes the body to produce the stress response (also known as the fight or flight response). The stress response affects the body’s nervous system, which controls the nerve impulses that cause muscle movements. When the body becomes overly stressed, it can cause the nervous system to act erratically. The erratic behavior of the nervous system can affect how the body’s muscles perform, including during muscle movements. Muscles that vibrate, jitter, tremor, or shake when used is an example of adverse effects of stress on the body and nervous system.

How to get rid of the muscles that vibrate, jitter, tremor, or shake when used anxiety symptom?

Because this symptom is just a symptom of elevated stress, it needn't be a cause for concern. It will subside when you reduce your stress and give your body ample time to calm down. As your body's stress returns to a more normal level, symptoms of stress subside, including the anxiety symptom muscles that vibrate, jitter, tremor, or shake when used. Therefore, this anxiety symptom needn't be a cause for concern.

Chapter 9 in the Recovery Support area of our website is our anxiety symptoms chapter. It contains detailed information about all anxiety symptoms, including what they are, why they occur, what you can do to eliminate them, and how many people experience them (the percentage of people who experience each anxiety symptom). Our anxiety symptoms chapter includes a more detailed description and explanation about the muscles that vibrate, jitter, tremor, or shake when used anxiety symptom.


The combination of good self-help information and working with an experienced anxiety disorder coach, counselor, or therapist is the most effective way to address anxiety disorder and its many symptoms. Until the core causes of anxiety are addressed - the underlying factors that motivate apprehensive behavior - a struggle with anxiety disorder can return again and again. Identifying and successfully addressing anxiety's underlying factors is the best way to overcome problematic anxiety.


For more information about our Anxiety Counseling option; our Available Anxiety Therapists; to Book An Appointment with one of our anxiety therapists; common Anxiety Signs and Symptoms; common Anxiety Attack Symptoms; the symptoms of panic attack disorder; anxiety Recovery Support area; information about Anxiety; and our Anxiety 101 section; or click on the appropriate link or graphic below:

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Authors: Jim Folk, Marilyn Folk, BScN. Last updated November 20, 2018.

anxietycentre.com: Information, support, and therapy for problematic anxiety and its sensations and symptoms, including the muscles that vibrate, jitter, tremor, or shake when used anxiety symptom.