Logan Steele
Running is a great way to improve your health and fitness, but it's natural to wonder whether it will help or hinder muscle growth. The answer depends on several factors, including the type of running, your diet, and the other forms of exercise in your routine. So, will running reduce muscle?
| Characteristics | Values |
|---|---|
| Running builds muscle | High-intensity, short-duration running builds leg muscles, while long-distance running causes significant muscle damage, inhibiting muscle growth. |
| Muscle growth | Muscle growth occurs when the body synthesizes more protein than it breaks down. |
| Nutrition | Good nutrition is important for building muscle. A protein-rich diet supports muscle growth. |
| Calorie deficit | Running can lead to a calorie deficit, which may hinder muscle development. |
| Muscle loss | Running may lead to muscle loss if it replaces strength training or if calorie intake does not match the energy expenditure. |
| Muscle soreness | Running can cause muscle soreness, especially if combined with resistance training. |
| Muscle stiffness | Muscle stiffness can impact the energy cost of running. |
| Muscle recovery | Running can help improve muscle recovery between sessions. |
| Muscle definition | Running can lead to defined and clear muscle definition in the legs. |
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What You'll Learn
High-intensity interval training (HIIT)
HIIT is an efficient way to build muscle, lose weight, and boost metabolism. It is particularly effective for increasing lower body muscle mass, such as the quadriceps and hamstrings. A study found that participants who engaged in HIIT workouts three times a week for ten weeks showed an 11% increase in their quadricep muscle fiber area.
To achieve the muscle-building benefits of HIIT, it is important to push your body beyond its comfort zone. This means getting your heart rate above 80% of its maximum and working at a very intense level, followed by slower recovery periods. The traditional HIIT protocol involves intervals of 20 seconds of intense activity with 10 seconds of rest, but these can be adjusted to ranges of 20 to 45 seconds of effort and up to 75 seconds before the aerobic system takes over.
While HIIT is a powerful tool for improving fitness, it is not for everyone. It requires significant motivation and stamina, and those who are new to this type of training may experience sprains and strains. Additionally, individuals with joint or muscle problems may not be able to perform HIIT safely. It is important to consult with a doctor before starting a HIIT regimen to ensure it is suitable for your health and fitness level.
Nutrition also plays a crucial role in building muscle. Consuming adequate protein is essential to support muscle growth. It is recommended to consume 0.64-0.91 grams of protein per pound of body weight daily to maximize muscle gains.
In summary, HIIT is a demanding but effective training method that can build muscle, enhance athletic performance, and promote weight loss. When combined with proper nutrition, HIIT can be a valuable tool for improving overall health and fitness.
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Running form and technique
Foot Placement
Your feet should land beneath your hips, not in front of your body. Landing with your feet in front of you creates a braking force, increasing fatigue and the risk of injury. Taking smaller steps can help with this. Aim to land on the balls of your feet by keeping your toes pulled up.
Posture
Maintain good posture by keeping your chest out, shoulders relaxed and square (facing forward), and head up with your eyes focused about 10 to 20 feet ahead of you. Avoid slouching, especially when you're tired, as this can lead to neck, shoulder, and lower back pain.
Arm and Hand Position
Keep your arms uncrossed and your hands lightly cupped, avoiding making a fist to prevent tension in your forearms and shoulders.
Stride Rate
Speed up your stride rate to avoid overstriding. A faster stride rate will naturally shorten your steps. Aim for your feet to strike the ground roughly 170-180 times a minute.
Core Engagement
Flex your abdominal muscles while running to train your core. Lift your head away from your tailbone to maximize muscle contraction.
Gait Analysis
If you're experiencing pain or want to improve your form, consider doing a gait analysis. This can be done by a physical therapist who will analyze the angle formed by the connection of your hip and ankle, known as the Z-angle. You can also take a video of yourself running from the side and draw lines through your hip, stance leg, and ankle to form a Z-shape.
While there is no one-size-fits-all running form, improving your technique can make you a more efficient, comfortable, and injury-free runner.
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Nutrition and diet
Running is an excellent exercise for weight loss as it burns more calories than many other forms of exercise. However, nutrition is just as important as the miles you run. A good diet can boost your physical health and help you meet your fitness goals.
Carbohydrates
Carbohydrates are the body's main source of energy and are critical for long-distance running. Eating plenty of carbohydrates helps ensure that your energy stores are ready to support your training. When those stores get too low, runners are more likely to run out of energy and "hit a wall". Aim for complex carbohydrates like whole grains, which provide a steady release of energy.
Proteins
Protein is vital for muscle repair and growth. Your muscles break down as you run, which makes refueling with protein important for rebuilding those muscles. Without protein, the muscles are unable to rebuild efficiently, which can lead to muscle wasting and an increased risk of injury. Lean meats, fish, poultry, and plant-based sources like lentils, quinoa, and tofu are good sources of protein.
Vitamins and Minerals
Runners need more vitamins and minerals than the average person, especially iron, vitamin D, calcium, potassium, and magnesium. Iron is crucial for the development of red blood cells, which deliver oxygen to working muscle cells. Vitamin D, calcium, and potassium are also important for bone health. Colorful fruits and vegetables are a great source of vitamins and minerals, as well as antioxidants, which help decrease cell damage caused by intense exercise.
Healthy Fats
Fats are a concentrated source of energy and are important for hormone balance and the absorption of fat-soluble vitamins. Avocados, nuts, and seeds are good sources of healthy fats.
Pre- and Post-Run Nutrition
Before a run, opt for a meal or snack that is high in carbohydrates, moderate in protein, and low in fat to provide sustained energy. After a run, focus on replenishing glycogen stores and repairing muscles with a combination of carbohydrates and protein.
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Muscle groups targeted
Running is a whole-body workout, but it primarily targets the core and lower body muscles. The muscles used when running depend on the type of running, such as sprinting, running uphill, or running long distances.
High-intensity, short-duration running, such as sprinting, can build muscle in the lower body, particularly the quadriceps and hamstrings. The quadriceps, a group of four muscles in the front of the thigh, help to bend the hip when the knee is lifted. The hamstrings are located on the back of the thigh and are essential for maintaining maximum efficiency as a runner. Many people have weak hamstrings, which can lead to imbalances in the hips, knees, and overall stride.
The gluteus maximus, or glute max, is also important for reaching top speed. This muscle is significantly larger in elite sprinters than in untrained runners. The gluteus medius and gluteus minimus, the second and third largest gluteal muscles, respectively, help to stabilize the hips and pelvis during the stance phase of the running gait cycle.
When running uphill, the vastus muscles of the quadriceps are activated more, while the hamstrings are used less. Running uphill also requires more activation of the calf muscles, which are located on the back of the lower leg and are responsible for reducing the shock of impact when the foot strikes the ground.
The arm movements involved in running are powered by the latissimus dorsi, or the large, fan-shaped muscles in the back, and the shoulders. These muscles also help to maintain an upright posture during a run.
In addition to these muscle groups, the big toe muscle, or flexor hallucis brevis, is important for stabilizing the foot during each footfall.
While running can build muscle in the lower body, it may not be as effective as strength training with weights. Running long distances can also increase muscle damage and hinder muscle growth. To build muscle through running, it is important to combine running with adequate nutrition, particularly protein, which enhances the muscle-building process.
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Running and weight training
However, balancing running and weight training can be challenging. It is important to approach this hybrid training method mindfully to avoid overtraining and injury. Developing a structured schedule that alternates running and weight training days is essential. The intensity and impact of each workout should also be considered to ensure proper recovery. For example, after a heavy leg day, a light run or active recovery can enhance muscle repair. Similarly, focusing on upper body or core weight training after a high-intensity run can prevent overworking the leg muscles.
Nutrition is also a critical aspect of combining running and weight training. Carbohydrates are essential for fuelling runs and aiding recovery, while proteins are crucial for muscle repair and growth. Healthy fats should also not be neglected as they are important for overall health. Additionally, hydration is particularly important when combining these two forms of exercise, as running can lead to significant fluid loss.
When incorporating weight training into a running regimen, it is important to adjust the strength training based on the running cycle. During the off-season or early in the training cycle, the focus can be on building strength and muscle. As race day approaches, shifting towards maintenance workouts will help keep muscles strong without causing fatigue. Including exercises that target areas commonly injured by runners, such as IT bands, knees, and ankles, can help prevent injuries.
In conclusion, running and weight training can be effectively combined to improve overall fitness and performance. A well-structured schedule, proper nutrition, and adjusting strength training based on the running cycle are key to successfully integrating these two forms of exercise. Additionally, paying attention to signs of overtraining, such as fatigue and prolonged soreness, and prioritising rest and recovery are important considerations.
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Frequently asked questions
Running can help build lower body muscles, especially in the quadriceps and hamstrings, but only if you are consuming adequate calories and protein. Running for weight loss can lead to muscle loss if you are not consuming enough calories and protein.
Experts recommend consuming 0.64–0.91 grams of protein per pound (1.4–2 grams per kg) of body weight daily. This equals 96–137 grams of protein for a 150-pound (68.2-kg) person.
High-intensity, short-duration running workouts like HIIT can help build muscle. Long-distance running can cause muscle damage and hinder muscle growth.
Running primarily works the lower body muscles, including the calves, hip flexors, quadriceps, hamstrings, and glutes. However, it is important to also strengthen the upper body, including the arms, shoulders, chest, and upper back, to improve running performance and maintain proper posture.
