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Muscle wasting, or muscle atrophy, is the thinning, wasting, or loss of muscle tissue, leading to decreased strength and mass. Muscle atrophy can be caused by a variety of issues, including injury, immobility, lack of physical activity, and malnutrition. While there is currently no effective treatment for muscle atrophy, exercise is a common treatment that can help relieve symptoms by rebuilding strength and mass. Other treatments include physical therapy, ultrasound therapy, and, in some cases, surgery. Moderate-intensity aerobic activities and low-to-moderate strength training are recommended as they have the potential to improve overall fitness without putting too much pressure on the body.
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What You'll Learn
Exercise and physical therapy
Exercise
Regular exercise can help treat muscle atrophy by rebuilding strength and mass. It is important to note that exercising does not necessarily mean going to a gym or attending a structured workout class. Simply enhancing your daily physical activity or moving more can be beneficial. The most suitable exercise plan will depend on your individual needs and preferences. Moderate-intensity aerobic activities (exercises that increase your heart rate and breathing while still being able to converse) and low-to-moderate strength training can improve overall fitness. Specific exercises such as squats, leg raises, and push-ups can help target different muscle groups and improve strength and mobility.
Physical Therapy
Physical therapy involves performing specific stretches and exercises to prevent immobility and improve overall physical functionality. Physical therapists can teach you the correct ways to exercise and provide guidance on addressing specific concerns. In cases of neurogenic atrophy, a special kind of physical therapy called electrical stimulation can be used. This involves placing electrodes on the skin over the muscles to send small electrical impulses to the nerves and muscles, helping to artificially contract the muscles and maintain muscle mass and strength. Ultrasound therapy is another physical therapy treatment option that uses sound waves to promote muscle healing.
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Surgery
In addition to physical therapy, proper nutrition plays a crucial role in muscle recovery and growth after surgery. Consuming adequate amounts of protein is essential for muscle repair and synthesis. Consulting with a registered dietitian can help you develop a balanced diet that supports your recovery goals.
While it may not always be possible to prevent post-surgery muscle atrophy completely, there are steps you can take to minimize its extent and impact. Following a comprehensive rehabilitation plan, maintaining an active lifestyle within your limitations, and prioritizing good nutrition can greatly reduce muscle loss and promote optimal recovery. Working closely with your healthcare team is crucial to ensure the best possible outcomes.
In some cases, surgery can be used to correct muscle atrophy caused by malnutrition or a torn tendon. Surgery may also be an option to correct contracture deformity, which occurs when muscle tissues become fibrous and difficult to stretch. However, it is important to note that surgery may not always be the first line of treatment, and other options such as dietary changes, supplements, and exercise may also be recommended.
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Dietary changes
Firstly, it is essential to ensure sufficient calorie intake. A calorie deficit can lead to weight loss and a decrease in muscle mass. As people age, their eating habits may change, leading to insufficient calorie consumption. Therefore, paying attention to calorie intake and making sure it is adequate for your energy needs is important.
Secondly, increasing protein intake is vital. Protein makes up a significant portion of muscle tissue, and a deficiency can contribute to muscle wasting. Include various protein sources in your diet, such as meats, poultry, fish, legumes, tofu, eggs, nuts, dairy products like milk and yogurt, and plant-based sources like beans, lentils, and nuts. A balanced approach to protein intake is recommended, as further research is needed to determine the ideal amount and source.
Additionally, adopting a nutrient-dense diet can be beneficial. The Mediterranean diet, which emphasizes whole grains, olive oil, beans, lentils, nuts, fish, fruits, and vegetables, has been suggested to protect against muscle wasting in older adults. This diet provides a wide range of vitamins, minerals, and other nutrients that promote overall health and may help slow or prevent muscle loss.
Furthermore, it is important to address any underlying nutritional deficiencies that could contribute to muscle wasting. For example, deficiencies in specific vitamins and minerals, such as calcium, vitamin D, and B vitamins, have been linked to an increased risk of muscle loss. Consulting with a healthcare professional and a dietician or nutritionist can help identify specific nutrient deficiencies and develop a plan to address them through dietary changes or supplements.
In conclusion, dietary changes can play a crucial role in fixing muscle wasting. By ensuring adequate calorie and protein intake, adopting a nutrient-dense diet like the Mediterranean diet, and addressing any specific nutritional deficiencies, individuals can help slow, prevent, or even reverse muscle wasting, improving their overall health and quality of life.
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Medication
Muscle wasting, or atrophy, can be caused by a variety of factors, including lack of physical activity, nerve problems, ageing, genetics, malnutrition, and certain medical conditions. While exercise and improved nutrition are often recommended as treatments, in some cases, medication may be necessary.
If muscle atrophy is caused by an underlying condition, it is important to address that condition through appropriate treatment. For example, if muscle wasting is due to a hormonal imbalance, hormone supplements may be prescribed to increase muscle mass. In some cases, medication used to treat other conditions may inadvertently cause muscle wasting, as is the case with corticosteroids, which are used to treat Cushing disease, and can lead to pathologic atrophy.
There is ongoing research into the development of drugs to treat muscle wasting diseases, particularly sarcopenia and cachexia, which are the two most common muscle-wasting conditions in adults. These include ghrelin agonists, selective androgen receptor molecules, megestrol acetate, activin receptor antagonists, espindolol, and fast skeletal muscle troponin inhibitors. Additionally, certain cardiological drug classes have been shown to have positive effects on muscle function.
It is important to consult with a healthcare professional to determine the underlying causes of muscle wasting and to develop an appropriate treatment plan, which may include medication, exercise, physical therapy, or a combination of these approaches.
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Reducing sedentary behaviour
Muscle atrophy, or muscle wasting, is the loss of muscle mass and strength due to various factors such as injury, immobility, lack of physical activity, and malnutrition. A common treatment for muscle atrophy is physical therapy, which includes exercise and, in some cases, dietary changes.
Sedentary behaviour, or a lack of physical activity, is a significant contributor to muscle wasting. Here are some ways to reduce sedentary behaviour and increase physical activity:
Incorporate Regular Exercise
Regular exercise is crucial in preventing and treating muscle wasting. It helps slow down muscle loss, improves strength, mobility, and overall physical functionality, and boosts mental well-being. Exercise need not be restricted to the gym or structured workout classes. Increasing daily physical activity, such as walking, can be highly beneficial. Moderate-intensity aerobic activities and low-to-moderate strength training are ideal for improving overall fitness. Swimming is another excellent option as it reduces the muscle workload during exercise. Before starting an exercise program, it is essential to consult a doctor or physiotherapist for guidance.
Reduce Sitting Time
Sitting for extended periods can contribute to muscle atrophy. Here are some ways to reduce sitting time:
- Stand while watching television or taking phone calls.
- Use a standing desk at work, which can help reduce tiredness and increase productivity.
- Walk over to colleagues instead of emailing or calling them.
- Take the stairs instead of the lift.
- Suggest walking meetings with colleagues outdoors to combine fresh air, leg stretching, and improved circulation.
Increase Daily Movement
In addition to dedicated exercise routines, increasing daily movement can help combat sedentary behaviour:
- Offer to make a round of tea for your colleagues.
- Take the opportunity to stretch your legs and get some fresh air.
- Incorporate simple movements or stretches throughout the day to keep your body active.
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Frequently asked questions
Muscle wasting, or muscle atrophy, is the loss of mass and strength in the muscles due to a range of issues such as injury, immobility, lack of physical activity, and malnutrition.
Muscle wasting can be caused by a variety of factors, including reduced use of muscles, ageing, nerve damage, and various diseases such as cancer, AIDS, diabetes, and heart failure.
The treatment for muscle wasting depends on the underlying cause. Common treatments include physical therapy, exercise, and dietary changes. Moderate-intensity aerobic activities and low-to-moderate strength training can help improve overall fitness and slow down muscle loss.
Exercises such as squats, marches, step-ups, and heel raises can be done on land or in a swimming pool (aquatic exercise). Aquatic exercises provide natural resistance while reducing stress on the joints. Other exercises include leg raises, which help strengthen the quadriceps and hip flexors.
Currently, there are no pharmacological countermeasures to directly counteract muscle wasting. However, some natural supplements and medications have shown potential in alleviating skeletal muscle atrophy, such as tetramethylpyrazine, Morus alba L., and ginsenosides.
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