Older man on a weight machine at the gym

13 Feb 2025

Understanding and Managing Age-Related Muscle Loss

As we get older, our bodies inevitably undergo various changes, including a decline in muscle mass and strength, known medically as sarcopenia.

After middle age, adults lose on average 3% of their muscle strength every year, which can impact quality of life – leading to reduced mobility, increased risk of falls and a decline in overall health. Although some of the causes of sarcopenia are a natural consequence of aging, others are preventable and with the right strategies, it's possible to maintain a strong, active body well into our later years. 

 

Factors That Accelerate Muscle Loss

  • Biological Ageing: The unavoidable aspects of the aging process, including neuromuscular deterioration, hormonal changes including reduced levels of testosterone, estrogen and growth hormones, along with the onset of anabolic resistance, all lead to diminished muscle synthesis. Additionally, the body's capacity for nutrient absorption wanes, while increased inflammation and oxidative stress can contribute to cellular damage.
  • Sedentary Lifestyle: A sedentary lifestyle is one of the primary contributors to sarcopenia. Without regular physical activity, the body loses muscle mass and strength more rapidly.
  • Chronic Stress: Chronic stress and elevated levels of cortisol, the stress hormone, can lead to muscle breakdown and weakness.
  • Inadequate Nutrition: A diet providing insufficient calories and protein can result in weight loss and diminished muscle mass.

Factors such as chronic diseases, inflammatory conditions and certain medications can also contribute to this condition and other processes that impact negatively on skeletal health

 

Here’s a guide to help you keep physically robust and enjoy a high quality of life as you age.

Regular Physical Activity

The adage "use it or lose it" rings particularly true when it comes to maintaining muscle strength and cardiovascular health.

  • Strength Training: Incorporating resistance exercises like weightlifting, resistance bands or bodyweight exercises (such as push-ups and squats) can help prevent or reverse sarcopenia.
  • Cardiovascular Exercise: Activities such as brisk walking, swimming or cycling improve heart health and endurance, which are crucial for maintaining an active lifestyle.
  • Flexibility and Balance: Yoga, Tai Chi and stretching routines can enhance flexibility, improve balance and reduce the risk of falls.

 

Nutrition for Strength

A balanced diet plays a pivotal role in supporting an active body, particularly as metabolic needs change with age.

  • Protein:  Consuming enough protein is vital for muscle repair and growth. Older adults may need more protein than younger people to help maintain muscle mass.
  • Calcium and Vitamin D: These nutrients are essential for bone health, helping to prevent osteoporosis and fractures.
  • Hydration:  Adequate fluid intake is important for overall bodily functions and can help prevent muscle cramps during activity.

 

Mental Wellbeing

A healthy mind contributes to a healthy body, and staying mentally active is as important as maintaining physical fitness.

  • Social Engagement: Maintain an active social life through clubs, volunteer work or spending time with friends and family.
  • Cognitive Activities: Keep your mind sharp with puzzles, reading or learning new skills.

 

Rest and Recovery

Adequate rest is essential for an aging body to repair and strengthen.

  • Sleep:  Ensure you get enough quality sleep, as it helps with recovery and energy levels.
  • Rest Days: Incorporate rest days into your exercise regimen to allow your body to recover.

 

Lifelong Learning

Stay informed about the best practices for staying active and healthy in later life.

  • Educate Yourself: Keep up with the latest health and fitness research that applies to your age group.
  • Professional Advice: Consider working with fitness professionals who specialise in senior fitness and will understand your specific needs.

 

Conclusion

By recognising the signs and understanding the risk factors, individuals can take proactive steps to address and mitigate the effects of age related muscle loss. Through a combination of strength training, proper nutrition and lifestyle adjustments, it is possible to preserve muscle mass and strength, maintain independence and enjoy a vibrant, active life for longer.