They also play a role inmetabolismand blood sugar level.

Talk with your healthcare provider if you have concerns about muscles.

This occurs due to stimulation by the neurotransmitteracetylcholinethat communicates with the muscle fiber.

A woman stretching their muscles in the gym

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Involuntary Muscles

Involuntary muscles are muscles that are not under conscious control.

Examples of involuntary muscles include:

Most involuntary muscles are made up of smooth muscle.

This may lead to new treatments but more study is needed.

Heart Muscle

The one exception of an involuntary muscle is themyocardium, or heart muscle.

Many disorders are geneticmyopathiesor they’re triggered by problems with the immune system.

When the nerves are damaged, communication between the nerves and muscles becomes disrupted.

This results in significant muscle weakness,atrophy, or pain.

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