Most older adults aren't getting screened for age-related muscle loss, even though it affects millions and can be prevented with early intervention. A new survey of over 1,300 Australian general practitioners (GPs) and practice nurses found a striking gap: while 80% of GPs believe they're responsible for identifying and managing sarcopenia (the progressive loss of muscle mass, strength, and function with aging), only 23% actually conduct routine muscle screening.

What Is Sarcopenia and Why Should You Care?

Sarcopenia affects 1 in 5 Australians aged 60 and over, making it a significant public health concern. The condition doesn't just mean weaker muscles. It leads to difficulty climbing stairs, carrying groceries, standing up from a chair, and increased risk of falls, which are the leading cause of fractures in older adults. By age 80, up to 50% of muscle mass can be lost if left unaddressed.

The problem is that muscle decline often begins well before people notice obvious problems. "Nutrition is fundamental to muscle health, but it's often addressed too late," explained Louise Murray, an accredited practicing dietitian specializing in aged care nutrition. "We rarely see people over 65 proactively talking about muscle health; referrals tend to come much later, often after significant weight and muscle loss has already occurred".

Why Aren't Doctors Screening for Muscle Loss?

The Australian survey revealed several barriers preventing routine screening in primary care. Clinicians reported that muscle health is most often considered only after patients already present with established risk factors, including a history of falls, malnutrition, mobility limitations, osteoporosis, or recent hospitalization.

The main obstacles to early detection include:

• Limited Assessment Tools: GPs lack access to practical, easy-to-use screening tools that fit into busy clinic schedules.
• Lack of Referral Pathways: Even when muscle loss is suspected, clinicians don't know where to refer patients for specialized care or intervention.
• Knowledge Gaps: Only 13% of clinicians reported prior training in sarcopenia, though 84% expressed strong interest in continuing medical education on the topic.

Dr. Jeremy Keh, a general practitioner at Mortlake Family Medical Practice, noted that time constraints are a real issue. "With the magnitude of other health screening required in the elderly population, time-poor options are often left out. Having a simple screening tool like the Muscle Health Algorithm certainly improves awareness and patient education".

How Can Resistance Training and Nutrition Reverse Muscle Loss?

The good news is that sarcopenia isn't inevitable. Recent research shows that resistance training combined with proper nutrition can significantly reverse age-related muscle loss, even in people over 80. A 2026 study published in the Journal of the International Society of Sports Nutrition found that 12 weeks of weight training combined with essential amino acid supplementation produced impressive results in older adults.

The study compared four groups of women over 65 and found that the combination approach worked best:

• Resistance Training Alone: Produced moderate muscle mass gains and significant strength improvements, with moderate inflammation reduction.
• Essential Amino Acid Supplements Alone: Resulted in minimal muscle mass gain and minimal strength improvement.
• Resistance Training Plus Essential Amino Acids: Achieved the highest muscle mass gain (8% increase), highest strength improvement, and highest inflammation reduction.

The synergy between mechanical stress from weights and nutritional support from protein and essential amino acids is the key to fighting sarcopenia. Adequate nutritional intake, including sufficient energy, protein, and key nutrients, is essential to support muscle maintenance, recovery, and function.

Steps to Start Building Strength at Any Age

You don't need an expensive gym membership or complex equipment to begin reversing muscle loss. Here are practical ways to get started:

• Chair Squats: Sit and stand from a chair without using your hands to strengthen your legs and glutes. Start with 2 sets of 10 to 12 repetitions.
• Supported Lunges: Hold onto a chair or wall while stepping forward to improve balance and leg strength.
• Light Weights or Household Items: Use water bottles or 1 to 2 pound dumbbells for biceps and shoulder exercises, or resistance bands for full-body workouts.
• Glute Bridges: Lie on the floor and lift your hips to strengthen your back and legs.
• Protein at Every Meal: Aim for 1.2 to 1.6 grams of protein per kilogram of body weight daily (roughly 70 grams for a 155-pound person). Include eggs, fish, chicken, beans, and dairy.

Start with just 10 minutes a day, which is better than one hour once a week. Listen to your body and distinguish between normal muscle soreness and joint pain, which should be avoided. Group classes designed for seniors, often available free at community centers or gyms, can provide guidance and motivation.

What Could Better Screening Prevent?

If early identification of muscle loss became standard practice, the health benefits could be substantial. "If early identification of muscle loss was more prevalent, in theory, we should see a decrease in falls and hospital admissions," said Dr. Jeremy Keh. Research from Japan supports this: resistance training programs for adults 80 and older reduced fall risk by 40% and enabled many to live independently into their 90s.

Dr. Jeremy Keh

In response to the screening gap, an Australian Expert Advisory Board has developed a Muscle Health Algorithm, endorsed by the Australian and New Zealand Society for Sarcopenia and Frailty Research. The algorithm provides a practical, stepwise framework using functional measures and risk assessment to prompt earlier intervention in primary care, before diagnostic thresholds for sarcopenia are reached.

The takeaway is clear: muscle health shouldn't be an afterthought in aging. With the right screening tools, education, and access to resistance training and nutrition support, older adults can maintain independence, reduce fall risk, and preserve quality of life well into their later years.