: reduction in skeletal muscle mass due to aging

Examples of sarcopenia in a Sentence

Recent Examples on the Web
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In addition, people lose muscle mass and height, which is known as sarcopenia, and more easily add body fat.6 As a result, aging—especially during the middle decades of life—can lead to endomorphic body shapes. Mark Gurarie, Health, 14 Dec. 2024 Some studies suggest that CoQ10 can combat sarcopenia in older adults when used with exercise.18 CoQ10 has been studied in trials for sports performance at doses of 100 to 600 mg per day. Elizabeth Barnes, Verywell Health, 30 Oct. 2024

Word History

Etymology

sarco- + -penia

First Known Use

1991, in the meaning defined above

Time Traveler
The first known use of sarcopenia was in 1991

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Cite this Entry

“Sarcopenia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sarcopenia. Accessed 22 Apr. 2025.

Medical Definition

sarcopenia

noun
: reduction in skeletal muscle mass due to aging
Age-related sarcopenia is a key component of frailty. Alessandro Laviano, The New England Journal of Medicine
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