There is a lot of controversy about whether aerobic exercise, particularly steady-state cardio and long-distance running, can cause muscle loss. The basic claim is that long periods of aerobic exercise leads to burning muscle for energy.
This idea is supported by the fact that aerobic exercise places a greater demand on the body's energy stores than resistance or anaerobic training, which means that muscle can be broken down to meet this energy demand.
So does cardio burn muscle? Today we're going to break down cardio and how it affects an individual's muscle growth.
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Main Benefits Of Cardio Workouts
Cardiovascular workouts are one of the best ways to lose weight and get fit. Cardio workouts improve endurance, tone muscles, and burn calories.
Check out some of the best reasons to fit in a cardio workout:
Great For Weight Loss
Cardio is a great way to lose weight. While lifting weights will help to build muscle, cardio is the best way to burn fat. Cardio exercises like running, cycling, and swimming are all great ways to burn fat and lose weight.
Strengthens Your Heart
Cardiovascular exercise refers to any type of exercise that raises your heart rate and keeps it elevated. It's often referred to as aerobic exercise. By strengthening your heart through cardio, you'll also be reducing your risk of developing high blood pressure and high cholesterol.
Reduces The Risk Of Several Diseases
Cardio training helps to reduce the risk of developing heart disease, high blood pressure, stroke, metabolic syndrome, Type 2 diabetes, and certain forms of cancer.
Improves Lung Capacity
One of the main benefits of cardio is that it increases your lung capacity. This can be particularly helpful for those who are asthmatic because it can help you breathe more easily.
Naturally Boost Your Energy
Cardio is one of the best ways to boost your energy levels and to improve your mood. Cardio helps to release endorphins, which are hormones that are responsible for making you feel happier.
Great For Mental Health
If you're feeling stressed, anxious, or depressed, cardio can help. "Exercise is not only good for the body: it can transform your mind too," says John J. Ratey, Ph.D., an associate clinical professor of psychiatry at Harvard Medical School in his book "Spark."
Cardio exercise helps you sleep more soundly. A study from the University of Georgia found that subjects who exercised before bed reported better quality of sleep than those who didn't exercise. Researchers believe that exercise helped the subjects sleep better by lowering levels of the stress hormone cortisol, which can interfere with sleep.
Does Cardio Burn Muscle Mass?
One thing to make clear is that cardio burns fat first. When you do cardio, you are burning calories. Calories can come from your fat stores, from your protein stores, or from your carbohydrate stores. If you're on a calorie-deficit diet, there's a chance that you'll start to lose muscle. That's why it's crucial to try to keep your protein intake up during your weight-loss journey.
Cardio can help you build muscle by allowing you to burn more calories and by improving your cardiovascular health so that you have a better capacity to do the things you need to do to build muscle, such as Anaerobic exercise.
Anaerobic exercise (strength training or weight-lifting) is a type of exercise where your muscles perform an activity without oxygen. Anaerobic exercise can help you burn fat, increase your strength, and improve your overall health while gaining muscle.
The below tips will help you effortlessly incorporate cardio in your workouts while building muscle.
Doing Cardio At The Wrong Time
Cardio is important and should be a part of everyone's fitness routine. However, there's a time and a place for cardio. If you're trying to lose weight, you should do your cardio in the morning because your body will be more sensitive to insulin.
Insulin is a hormone that tells your body to store fat, and it's also one of the hormones that spike when you eat a meal. When you're in a fasted state, your insulin levels are low, and your body starts to burn fat for energy.
Most fitness experts will tell you to schedule cardio after weight training because your body needs the energy from the workout for more strenuous activities. Therefore, doing cardio before weight training will exhaust the body before it gets to properly work out and build muscle.
Doing The Wrong Type Of Cardio
Don't do long, slow cardio sessions if you're trying to build muscle. Cardio is very important for general health and conditioning, but if your goal is to build muscle, you need to be doing cardio that is high in intensity.
High-intensity interval training (HIIT) is one of the best ways to burn fat. It increases the afterburn effect, so you continue to burn calories even after your workout is over. It also increases your metabolism and helps you build muscle faster.
Doing Too Much Cardio
Doing too much cardio when you're trying to build muscle can have a negative effect on your muscle growth. When you're doing cardio, you're breaking down muscle tissue because your body is using energy to fuel your workout.
Stick to short, intense cardio workouts.
How Can I Do Cardio Without Losing Muscle? (Tips From A Bodybuilder)
Shorter, high-intensity workouts are great for conserving muscle mass, decreasing body fat, and building aerobic capacity — things cyclists should always be striving to improve.
The human body is designed to be very good at storing energy, which means that muscle breakdown from walking occurs only in extreme situations. In fact, the body has a network of stored fuels that can last for days without additional intake. Therefore, walking relatively short distances is unlikely to cause any muscle loss.
Conditioning workouts are designed to be short and intense, lasting no more than 20 minutes. These workouts are designed to improve your capacity to work at a higher intensity for a longer period of time.
If you want to get leaner, building lean muscle mass is the key. This is where conditioning workouts come in. These workouts don't just help you lose weight, but they help you burn more calories overall, which helps you lose weight faster.
Regular consumption of small meals (5 or 6) throughout the day can also keep your metabolic furnace burning while discouraging lean mass loss.
Swimming is one of the best ways to build muscle. It's not only heart-healthy but also burns calories and builds muscle size in a more effective way than running and biking, as it utilizes gravity and water for resistance. Water is up to 1,000 times denser than air, so swimming is equivalent to exercising against a greater force than you would experience on land.
One of the many benefits of elliptical machines is that they engage nearly every muscle in your body. In fact, a twenty-minute workout on an elliptical trainer can burn up to 400 calories - and it helps to avoid imbalances. So you'll be maximizing your muscle-building potential with every stride you take.
People Also Ask (FAQs)
Will 30 minutes of cardio burn muscle?
In short, no, 30 minutes of cardio won't burn any of your hard-earned muscle tissue. Cardio does not directly burn muscle tissue like fat tissue. It will not "break down" muscle tissue. That's not how the body works. It will break down fat and use it for fuel.
Will running burn muscle?
While it's a common idea that running will burn muscle, it's actually not true. Running will not burn muscle. However, you will burn a lot of calories, which may also be detrimental to your muscle mass if you're not eating enough.
How can you tell if you're losing fat or muscle?
The main way to tell if you're losing fat or muscle is to check your body fat percentage. If you're losing body fat but not weight, it means that the fat is coming off your body, but the muscle is staying put.
Of course, you can build muscle while doing cardio – the key is to ensure that you are not doing too much. If you overload your body with training and don't give it time to recover, then you're going to lose muscle tissue, not gain it.
Try to mix up your training so that you hit all of your muscle groups – we recommend doing two to three cardio days per week.
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