Sarcopenia is the gradual loss of muscle mass, strength, and function that often occurs with aging. It can affect balance, mobility, independence, and quality of life, but many factors can be improved through lifestyle changes and medical support.
Common causes of muscle loss
- Aging
- After about age 30, muscle mass naturally begins to decline, and the rate of loss often increases with older age.
- Lack of physical activity
- Long periods of sitting or inactivity reduce muscle stimulation and can accelerate muscle loss.
- Insufficient protein intake
- Muscles need enough protein and essential amino acids to repair and maintain themselves.
- Hormonal changes
- Lower levels of hormones such as testosterone, estrogen, and growth-related hormones can affect muscle maintenance.
- Chronic illnesses
- Conditions such as diabetes, heart disease, kidney disease, and inflammatory disorders may contribute to muscle loss.
- Poor nutrition or unintentional weight loss
- Not getting enough calories, vitamins, or minerals can make it harder to preserve muscle.
- Inflammation and stress
- Long-term inflammation can interfere with muscle repair and growth.
Ways to help prevent or slow sarcopenia
1. Do strength training
Resistance exercises are among the most effective ways to maintain and build muscle:
- Weight lifting
- Resistance bands
- Body-weight exercises (such as squats and modified push-ups)
2. Eat enough protein
Good protein sources include:
- Eggs
- Fish
- Lean meats
- Dairy products
- Beans and lentils
- Tofu and other plant proteins
Older adults may need to pay particular attention to getting adequate protein spread throughout the day.
3. Stay active daily
Walking, climbing stairs, and regular movement help support muscle function and balance.
4. Get enough vitamin D
Low vitamin D levels are associated with poorer muscle function. Sun exposure, diet, or supplements may help when appropriate.
5. Prioritize sleep and recovery
Poor sleep can affect muscle repair and energy levels.
6. Manage health conditions
Keeping conditions such as diabetes or thyroid disorders controlled can help protect muscle health.
