Athena Vale
There is a common belief in the fitness community that cardio workouts inhibit muscle growth. However, the latest scientific research suggests that this is not necessarily the case. While it is true that cardio exercises can compromise muscle growth if not properly fuelled, certain types of cardio, such as HIIT, have been found to have minimal or no negative effect on muscle loss. In fact, cardio can even improve muscle gains by increasing blood flow to the muscles, improving overall fitness and cardiovascular health, and increasing muscle endurance. Nevertheless, it is important to be mindful of the potential for fatigue when combining cardio and strength training, as well as the impact of diet on muscle growth.
| Characteristics | Values |
|---|---|
| Running/cardio impact on muscle growth | Research shows conflicting evidence. Some suggest that running/cardio can inhibit muscle growth, while others suggest it has minimal or no negative effect. |
| Running/cardio impact on strength training | Running/cardio can impact strength training by increasing blood flow and oxygen delivery to muscles, improving recovery and growth. However, it can also lead to fatigue, potentially impacting the effectiveness of strength training. |
| Running/cardio impact on muscle endurance | Running/cardio can improve muscle endurance, allowing individuals to perform more reps and sets during resistance training, leading to increased muscle stimulus. |
| Running/cardio impact on overall fitness | Running/cardio improves cardiovascular health and can make individuals stronger and better able to perform resistance training exercises. |
| Running/cardio impact on diet | Running/cardio increases calorie burn, so individuals need to ensure adequate calorie and nutrient intake, especially protein, to support muscle growth and recovery. |
| Running/cardio frequency and intensity | High-intensity or frequent running/cardio sessions may impact muscle growth and strength training. It is important to balance running/cardio with other forms of exercise and proper recovery. |
| Running/cardio alternatives | Other forms of cardio, such as cycling or rowing, may be less impactful on joints and muscles while still providing cardiovascular benefits. |
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What You'll Learn
- Running and weight training can coexist in a workout routine
- Running before weight training can negatively impact performance
- Running and weight training together can cause fatigue and hinder muscle growth
- Running can improve muscle endurance and performance during weight training
- Diet is important for muscle growth when incorporating running into a workout routine
Running and weight training can coexist in a workout routine
Firstly, it is important to understand that running and weight training can complement each other. Running is an excellent form of cardiovascular exercise, which can improve your endurance and overall fitness. Weight training, on the other hand, helps to strengthen muscles and connective tissues, improve neuromuscular coordination, and increase muscle mass, which can lead to a higher metabolism. By combining these two types of training, you can become a stronger and more well-rounded athlete.
However, there are some considerations to keep in mind when incorporating both running and weight training into your routine. One concern that people often have is whether cardio exercises like running will inhibit muscle growth. The science on this topic is mixed, with some studies showing that cardio can impede muscular adaptations to weight training, while others show no significant negative impact. It is worth noting that the order in which you perform these exercises may be important. For example, performing cardio before weight training can encourage protein metabolism, but doing cardio after weight training ensures that you still have energy for your lifts. Additionally, it is crucial to ensure that you are consuming enough calories and the right nutrients to support muscle growth and recovery when engaging in both types of training.
To successfully combine running and weight training, it is essential to understand how your body responds to each activity and how much rest and recovery it needs. You can start by focusing on building strength and muscle during the off-season or early in your training cycle, gradually increasing the intensity as your body adapts. As you approach race day, shift towards maintenance workouts to keep muscles strong without causing fatigue. Include exercises that target areas commonly injured by runners, such as IT bands, knees, and ankles, and incorporate lateral movements, balance exercises, and flexibility routines. Pay attention to your body's signals, as fatigue, prolonged soreness, or decreased performance can indicate overtraining. Adjust your routine as needed, and consider working with a certified personal trainer to create a customized workout plan that incorporates rest and recovery.
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Running before weight training can negatively impact performance
Running and weight training together in one workout session can have different effects on an individual's body. The order of workouts directly impacts performance and training effectiveness. Running before weight training can negatively impact performance, especially if the goal is to increase muscle mass or strength.
Jay Silva, a C.S.C.S. and RRCA-certified running instructor, says that "the order of your workouts directly impacts your performance and the effectiveness of your training." He further adds that prioritizing one activity over the other allows maximum energy dedication to the activity that aligns with one's primary goal. If an individual is fatigued after the first activity, they will not have as much energy for the second workout, which could hinder their success in that activity.
If the main fitness goal is to increase muscle mass or strength, it is recommended to prioritize resistance training workouts over cardio ones. Weightlifting requires precision, proper form, and maximum energy to effectively overload muscles and stimulate growth. Running before lifting weights can deplete glycogen stores and cause fatigue, making it harder to perform optimally during strength exercises.
Additionally, running and weight training recruit different types of muscle fibers. While running engages slow-twitch (type I) muscle fibers for sustained aerobic efforts, weight training activates fast-twitch (type II) muscle fibers, which are crucial for hypertrophy or increasing muscle size. Therefore, if building strength or muscle mass is the primary objective, it is advisable to perform weight training before running.
However, it is important to note that the effects of combining running and weight training can vary depending on individual factors such as age, goals, and abilities. While running before weight training may negatively impact certain aspects of performance, it could be beneficial for other fitness goals, such as building endurance or improving cardiovascular health.
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Running and weight training together can cause fatigue and hinder muscle growth
Running and weight training are both effective forms of exercise with numerous health benefits. However, combining the two in a single workout or performing them too closely together can potentially cause fatigue and hinder muscle growth.
The body uses two pathways for cell metabolism and growth when adapting to exercise: the mTOR pathway, which is typically activated during anaerobic exercise (such as weight training), and the AMPK pathway, which is usually activated during aerobic exercise (like running). Concurrent training can cause the AMPK pathway to downregulate or inhibit the mTOR pathway, potentially hindering muscle hypertrophy and protein synthesis. This means that performing cardio and weight training together may lead to diminished returns from resistance training.
Additionally, combining cardio and resistance training can fatigue individuals, depleting their energy stores and reducing their ability to lift with the same volume or frequency. This fatigue can occur when the body does not fully recover after workouts due to insufficient rest or fuel. It is important to allow adequate recovery time and provide the body with sufficient fuel to avoid overtraining and its negative consequences, such as hormonal imbalances, which can lead to loss of muscle tissue.
However, it is important to note that the evidence on the impact of concurrent training on muscle growth is mixed. Some studies suggest that certain types of cardio exercises, such as High-Intensity Interval Training (HIIT), have minimal or no negative effect on muscle loss. HIIT workouts have been shown to promote muscle growth, particularly in the lower body, by increasing blood flow to the muscles, improving muscle recovery, and enhancing overall fitness.
To optimize results, it is recommended to prioritize one type of training over the other during a session. For example, performing cardio before weight training can encourage protein metabolism, while doing cardio last can be beneficial for those aiming for big lifts. Additionally, a balanced diet that meets the nutritional demands of both running and weight training is crucial to support muscle repair and growth.
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Running can improve muscle endurance and performance during weight training
Running is often believed to inhibit muscle growth and strength gains. However, this is a common gym myth, and scientific research shows conflicting evidence. While it is true that running can compromise muscle growth if not paired with adequate nutrition, it can also improve muscle endurance and performance during weight training in several ways.
Firstly, running can increase blood flow to the muscles, bringing more oxygen and nutrients to the muscle tissue. This improved circulation enhances muscle recovery and growth, as well as overall cardiovascular health. As a result, individuals can become stronger and better equipped to perform resistance training exercises.
Secondly, running can improve muscle endurance, which is crucial for runners who repeat the same movement over and over. Muscular endurance refers to a muscle's ability to work over a period by increasing the total time a muscle can be contracted during an exercise. This allows individuals to perform more reps and sets during resistance training, leading to greater muscle stimulus and growth.
Additionally, performing cardio exercises like running before weight training can encourage protein metabolism. However, it is important to note that more experienced individuals may benefit from performing cardio after weight training to have sufficient energy for more intense lifting.
Furthermore, weight training itself can positively impact running ability. By working against resistance, weight training improves the strength and endurance of muscles, leading to increased cardiovascular fitness as the body becomes more efficient at utilising oxygen to fuel muscles. Accessory exercises, such as weighted lunges, can also enhance knee strength for running.
In conclusion, running does not destroy muscles but instead can enhance muscle endurance and performance during weight training through improved blood flow, increased muscular endurance, and protein metabolism. However, it is important to note that the combination of running and weight training may yield different results depending on individual factors such as age, goals, and fitness level.
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Diet is important for muscle growth when incorporating running into a workout routine
Running is good for building muscle, but only if you give your body the right fuel. A well-balanced diet is crucial for muscle growth when incorporating running into your workout routine.
Firstly, it is important to eat enough. If you are not consuming enough calories, your body may not have the energy required to support muscle growth. This is especially true if you are engaging in concurrent training, which involves combining cardio and strength training in the same session. In this case, you will need to increase your caloric intake to provide enough energy for both types of exercise.
Secondly, it is crucial to consume adequate nutrients, especially protein. Protein is essential for the muscle-building process, as it enhances muscle protein synthesis (MPS). To promote greater muscle gains, experts recommend consuming 0.64–0.91 grams of protein per pound (1.4–2 grams per kg) of body weight daily. Good sources of protein include meat, poultry, dairy, fish, eggs, soy, beans, and legumes.
Carbohydrates are also important for runners, as they provide the body with glycogen, which is the primary fuel source for endurance exercise. Distance runners, in particular, require more carbohydrates than people who are not training. However, it is important to note that carb loading is not necessary for casual runners. Ensuring that your daily diet includes extra carbohydrates is usually sufficient.
In addition to protein and carbohydrates, healthy fats are also an important part of a runner's diet. Good sources of healthy fats include fatty fish, extra virgin olive oil, whole eggs, seeds, avocado, nuts, and nut butters.
Finally, hydration is key. Water helps regulate body temperature and other bodily functions. The National Academy of Medicine recommends that men and women consume 125 ounces (3.7 liters) and 91 ounces (2.7 liters) of water per day, respectively.
By following a well-balanced diet that includes adequate protein, carbohydrates, healthy fats, and hydration, you can support muscle growth while incorporating running into your workout routine.
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Frequently asked questions
Running and other forms of cardio are often thought to inhibit muscle growth, but the science is mixed. Running can be high-impact and may leave your body drained, but it can also improve muscle gains by increasing blood flow to the muscles, improving overall fitness, and increasing muscle endurance.
Running can improve muscle gains by increasing blood flow to the muscles, bringing more oxygen and nutrients to the muscle tissue, and improving recovery and growth. It can also increase muscle endurance, allowing you to perform more reps and sets during resistance training.
Running itself is not necessarily bad for building muscle. In fact, accessory exercises like weighted lunges can improve running performance and build muscle. However, it's important to ensure that running does not interfere with your resistance workouts or leave you too fatigued to lift weights effectively.
Running and other forms of cardio do burn a significant number of calories, but the more muscle you have, the more calories you burn at rest. Additionally, diet plays a crucial role in your fat-to-muscle ratio, so be sure to consume enough calories and nutrients to support muscle growth and recovery.
Running and lifting weights, or resistance training, serve different purposes. Running can improve cardiovascular health and endurance, while lifting weights helps build muscle and increase strength. Combining both types of exercises in a balanced training plan can be beneficial, but proper planning and recovery are crucial to avoid fatigue and potential interference with muscle growth.
