Why preserving muscle strength may be one of the most important investments you make for a longer, healthier and independent life. Most people worry about gaining weight, developing diabetes, high blood pressure or heart disease as they grow older. They monitor their weight, check their cholesterol and occasionally undergo health check-ups. But there is one important aspect of health that often goes unnoticed: muscle loss.
Muscles are not just about looking fit, lifting weights or having a well-built body. They are vital metabolic organs that influence blood sugar regulation, physical mobility, balance and overall health. Preserving muscle mass and strength could be one of the best investments you make in your health after 40.
The silent problem: Age-related muscle loss
As we age, we gradually lose muscle mass, strength and function. This process is called sarcopenia. Although it becomes more prominent after 60, the decline can begin much earlier, particularly in people who are physically inactive or have inadequate protein intake.
Sarcopenia is more than a cosmetic concern. Weak muscles increase the risk of falls, fractures, disability, hospitalisation and loss of independence. Even simple activities such as climbing stairs, getting up from a chair, carrying groceries or walking become increasingly difficult.
Sarcopenia affects 39 per cent of people aged 60 and above. This makes muscle health an important public-health concern in our country.
Why are muscles so important?
Muscles do much more than help us move.
Metabolic health: Skeletal muscles are major sites of glucose uptake. When muscles contract during physical activity, they take up glucose from the bloodstream. Maintaining adequate muscle mass and function helps improve insulin sensitivity and metabolic health, potentially reducing the risk of type 2 diabetes.
Weight management: Muscles contribute to energy expenditure. Preserving muscle mass helps maintain metabolic function, particularly during weight loss, when some muscle loss can otherwise occur.
Protection against falls: Strong muscles, particularly in the legs and trunk, improve balance, stability and the ability to recover from a loss of balance. This becomes increasingly important with advancing age.
Healthy ageing: Muscle strength is closely associated with functional independence. Being able to get out of bed, climb stairs, carry shopping bags and perform everyday activities without assistance contributes significantly to quality of life.
Bone health: Resistance exercises place mechanical stress on bones, helping maintain bone strength. Strong muscles also improve joint stability and physical function.
How can you preserve your muscles?
The good news is that muscle loss is neither inevitable nor irreversible. Even people in their 60s, 70s and beyond can improve muscle strength with appropriate exercise and nutrition.
Three interventions are particularly important.
Make strength training a priority
Walking, jogging, cycling and swimming are excellent aerobic exercises. They improve cardiovascular fitness and overall health. However, aerobic exercise alone may not adequately preserve or build muscle strength.
Resistance training should be an essential part of your exercise routine. It involves making muscles work against resistance, which can come from dumbbells, resistance bands, gym equipment or even your own body weight.
You do not necessarily need a gym membership. Simple exercises such as squats, chair stands, wall push-ups, lunges and calf raises can be performed at home.
Aim for strength-training sessions at least twice a week, covering all major muscle groups. Start with manageable resistance and gradually increase the intensity as your strength improves. Proper technique is more important than lifting heavy weights.
Eat adequate protein
Muscles need protein to repair and rebuild. Unfortunately, many Indians consume insufficient protein, particularly those whose diets predominantly consist of rice, chapati and other carbohydrate-rich foods.
Include protein-rich foods in your daily diet. Good options include eggs, milk, curd, paneer, dal, rajma, chana & other pulses, soybeans, tofu, nuts, fish and chicken.
For healthy older adults, a daily protein intake of approximately 1.0–1.2 g/kg body weight is a reasonable target, although individual requirements vary depending on age, activity and medical conditions. People with kidney disease should seek individualised dietary advice. Try to distribute protein intake across meals rather than consuming most of it at dinner.
Stay physically active
Strength training should complement, not replace, aerobic exercise. Aim for at least 150–300 minutes of moderate-intensity aerobic activity every week, such as brisk walking or cycling. Include balance exercises, particularly as you grow older. Avoid prolonged sitting. Take regular walking breaks and incorporate movement into your daily routine.
Can you identify muscle loss early?
Do not wait until you have difficulty walking or climbing stairs. Some warning signs include:
• Difficulty getting up from a chair without using your hands.
• Increasing difficulty climbing stairs.
• Reduced walking speed.
• Difficulty carrying previously manageable weights.
• Recurrent falls or unexplained physical weakness.
A simple functional test is to see whether you can repeatedly stand up from a chair without using your arms. Difficulty doing this deserves attention, although it is not by itself a diagnosis of sarcopenia. Doctors can assess muscle strength using handgrip measurements and chair-stand tests, with muscle quantity assessed when indicated.
We spend considerable time and money trying to prevent heart disease, diabetes and other lifestyle-related illnesses. We should give equal attention to preserving our muscles.
Remember, the goal is not to develop big muscles or become a bodybuilder. It is to remain strong enough to walk, climb stairs, travel, play with grandchildren and live independently as we grow older.
Your muscles are your health insurance. Invest in them today, so that you can enjoy a healthier, stronger and more independent tomorrow.
The opinions expressed in this article are those of the author and do not purport to reflect the opinions or views of THE WEEK.
