sarcopenia
noun
sar·co·pe·nia ˌsär-kō-ˈpē-nē-ə 
: reduction in skeletal muscle mass due to aging
Example Sentences
Recent Examples on the Web Muscle atrophy in space isn’t exactly the same process as sarcopenia caused by gradual aging on Earth, Huang notes. 
Max G. Levy, Wired, 9 Aug. 2021 But day after day, the same repetitive-motion pounding that builds bone can pulverize knee and hip joints with osteo-arthritis and accelerate sarcopenia, muscle wasting. Los Angeles Times, 26 Sep. 2019 With advanced age comes the potential for a loss in strength — dynapenia — and muscle mass — sarcopenia — with extreme cases yielding a significant increase in fat mass — known as sarcopenic obesity — the result of insulin resistance. Mackie Shilstone, nola.com, 19 June 2019 Power up your brain and brawn with the following age-defying workouts:Multi-joint movementsAge and a sedentary lifestyle can cause lean muscle mass to atrophy due to a condition called sarcopenia. Philly.com, 3 Apr. 2018 With advanced age comes the potential for a loss in strength — dynapenia — and muscle mass — sarcopenia — with extreme cases yielding a significant increase in fat mass — known as sarcopenic obesity — the result of insulin resistance. Mackie Shilstone, nola.com, 19 June 2019 Power up your brain and brawn with the following age-defying workouts:Multi-joint movementsAge and a sedentary lifestyle can cause lean muscle mass to atrophy due to a condition called sarcopenia. Philly.com, 3 Apr. 2018 Our muscle mass naturally begins to decline around age 30, and that process, called sarcopenia, accelerates around age 40. Taysha Murtaugh, Woman's Day, 25 July 2017 See More
Max G. Levy, Wired, 9 Aug. 2021 But day after day, the same repetitive-motion pounding that builds bone can pulverize knee and hip joints with osteo-arthritis and accelerate sarcopenia, muscle wasting. Los Angeles Times, 26 Sep. 2019 With advanced age comes the potential for a loss in strength — dynapenia — and muscle mass — sarcopenia — with extreme cases yielding a significant increase in fat mass — known as sarcopenic obesity — the result of insulin resistance. Mackie Shilstone, nola.com, 19 June 2019 Power up your brain and brawn with the following age-defying workouts:Multi-joint movementsAge and a sedentary lifestyle can cause lean muscle mass to atrophy due to a condition called sarcopenia. Philly.com, 3 Apr. 2018 With advanced age comes the potential for a loss in strength — dynapenia — and muscle mass — sarcopenia — with extreme cases yielding a significant increase in fat mass — known as sarcopenic obesity — the result of insulin resistance. Mackie Shilstone, nola.com, 19 June 2019 Power up your brain and brawn with the following age-defying workouts:Multi-joint movementsAge and a sedentary lifestyle can cause lean muscle mass to atrophy due to a condition called sarcopenia. Philly.com, 3 Apr. 2018 Our muscle mass naturally begins to decline around age 30, and that process, called sarcopenia, accelerates around age 40. Taysha Murtaugh, Woman's Day, 25 July 2017 See More Word History
Etymology
sarco- + -penia
First Known Use
1991, in the meaning defined above
Medical Definition
sarcopenia
noun
sar·co·pe·nia ˌsär-kō-ˈpē-nē-ə
: 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
Alessandro Laviano, The New England Journal of Medicine