involuntary muscle
noun
: muscle governing reflex functions and not under direct voluntary control
especially
: smooth muscle
Examples of involuntary muscle in a Sentence
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Likewise, using a widely available, non-invasive neuromuscular electrical stimulation (NMES) device to induce involuntary muscle contractions can increase strength and mass in muscles of the upper and lower body.
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New Atlas, 13 Jan. 2025
According to experts, the movements are prime examples of myoclonus or myoclonic jerks—involuntary muscle spasms similar to hiccups and epileptic seizures.
—Andrew Paul, Popular Science, 13 Nov. 2024
Leg cramps, sometimes called charley horses, are sudden, involuntary muscle contractions that cause intense shooting pain that lasts seconds to minutes.
—Amy Brownstein, Ms, Rdn, Verywell Health, 31 Oct. 2024
Sea lions experiencing symptoms such as seizures, disorientation, erratic behavior and involuntary muscle spams are washing up on the shores of beaches along the 155 miles of coastline within the two counties.
—Marissa Wenzke, CBS News, 1 Aug. 2024
See All Example Sentences for involuntary muscle
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New Atlas, 13 Jan. 2025
According to experts, the movements are prime examples of myoclonus or myoclonic jerks—involuntary muscle spasms similar to hiccups and epileptic seizures.
—Andrew Paul, Popular Science, 13 Nov. 2024
Leg cramps, sometimes called charley horses, are sudden, involuntary muscle contractions that cause intense shooting pain that lasts seconds to minutes.
—Amy Brownstein, Ms, Rdn, Verywell Health, 31 Oct. 2024
Sea lions experiencing symptoms such as seizures, disorientation, erratic behavior and involuntary muscle spams are washing up on the shores of beaches along the 155 miles of coastline within the two counties.
—Marissa Wenzke, CBS News, 1 Aug. 2024
See All Example Sentences for involuntary muscle
Cite this Entry
“Involuntary muscle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/involuntary%20muscle. Accessed 27 Feb. 2025.
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