Sarcopenia: Causes of Muscle Loss and What Can Help
Sarcopenia is the age-related loss of muscle strength and muscle mass. It becomes more common with advancing age, but it isn’t an inevitable part of getting older, and several factors can accelerate it.
Common causes and contributors
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Aging: Muscle-building processes become less responsive to dietary protein and exercise.
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Physical inactivity: Sedentary periods can lead to substantial losses in strength and muscle.
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Insufficient protein or calories: Poor nutrition can make it harder to maintain muscle.
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Chronic illnesses: Conditions affecting the heart, lungs, kidneys, liver, nerves, or metabolism can contribute.
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Hormonal changes: Age-related changes in hormones can affect muscle maintenance.
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Inflammation: Persistent inflammation associated with some diseases can promote muscle loss.
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Hospitalization or prolonged bed rest: Muscle can decline rapidly during periods of immobility.
What can help
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Resistance training 🏋️
Strength exercises are one of the most effective ways to maintain or improve muscle strength. Start at an appropriate level and progress gradually. -
Eat enough protein 🍳
Spread protein-containing foods across meals. Eggs, dairy, fish, poultry, beans, lentils, and other protein-rich foods can all contribute. -
Stay physically active 🚶
Walking and other regular activities complement strength training and help preserve mobility. -
Get adequate vitamin D and other nutrients
Correct documented deficiencies with guidance from a healthcare professional rather than taking high doses unnecessarily. -
Address underlying medical problems
If muscle loss is rapid, unexplained, or accompanied by weight loss or weakness, a medical evaluation can identify treatable causes.
When to seek medical advice
Difficulty rising from a chair, climbing stairs, carrying ordinary objects, walking, or repeated falls can be signs of declining muscle strength. A clinician can assess strength and physical performance and determine whether sarcopenia or another condition is responsible.
For older adults, the goal isn’t simply to increase muscle size—maintaining strength, balance, independence, and the ability to perform everyday activities is especially important.
