Home>Misc>Featured>Interval Training: How To Do It

Interval Training: How To Do It Interval Training: How To Do It


Interval Training: How To Do It

Discover the benefits of interval training and learn how to incorporate it into your fitness routine. Read this featured guide to maximize your workout results.


Interval training is a dynamic and efficient form of exercise that has gained significant popularity in recent years. If you’re looking to maximize your workout time and achieve excellent results, then interval training might be just what you need.

But what exactly is interval training? In simple terms, it involves alternating between periods of high-intensity exercise and periods of active recovery or rest. This method challenges your body by pushing it to work harder during the intense intervals, while also allowing it to recover during the rest periods.

Interval training can be applied to various forms of exercise, such as running, cycling, swimming, and even strength training. It offers a range of benefits beyond traditional steady-state workouts, making it an attractive option for individuals looking to boost their fitness levels and achieve their desired goals.

Whether you’re a seasoned athlete or a beginner just starting out on your fitness journey, interval training can be customized to suit your unique needs and fitness level. The versatility and flexibility of interval training make it accessible to everyone.

In this article, we will delve deeper into interval training, exploring the benefits it offers, how to get started, different types of interval training, designing effective workouts, warm-up and cool-down recommendations, important considerations, monitoring progress, and common mistakes to avoid.

Are you ready to take your fitness to the next level? Let’s dive into the world of interval training and discover how it can transform your workouts.


What is Interval Training?

Interval training is a workout strategy that involves alternating between high-intensity exercise intervals and periods of active recovery or rest. Unlike traditional steady-state exercise where you maintain a consistent intensity, interval training pushes your body to its limits during the intense intervals, allowing for brief periods of recovery in between.

The concept behind interval training is to challenge your cardiovascular system and muscles by increasing the intensity for a set amount of time. This cycle of exertion and recovery helps to improve your aerobic capacity, anaerobic fitness, endurance, and overall athletic performance.

What sets interval training apart from other exercise methods is its ability to maximize calorie burn and improve fitness in a short amount of time. Research has shown that including interval training in your workout routine can provide better results compared to steady-state exercise alone.

The beauty of interval training is its flexibility. It can be adapted to suit different fitness levels and preferences, making it accessible to a wide range of individuals. Whether you’re a beginner or a seasoned exerciser, you can modify the duration and intensity of the intervals to match your abilities.

Interval training can be applied to a variety of exercises, including cardiovascular activities like running, cycling, swimming, and rowing, as well as strength training exercises. It allows you to incorporate both aerobic and anaerobic exercises into your routine, providing a well-rounded workout.

This training method also stimulates the body’s ability to burn calories long after the workout is finished. Known as the “afterburn effect” or excess post-exercise oxygen consumption (EPOC), your body continues to burn calories at a higher rate even during periods of rest. This can be especially beneficial for those looking to lose weight or improve body composition.

When done correctly, interval training can be an efficient and time-saving way to improve your fitness. It challenges your body in a way that steady-state exercise alone cannot, leading to faster progress and noticeable improvements in your overall health and well-being.


Benefits of Interval Training

Interval training offers a multitude of benefits that make it an effective and popular workout method. Here are some key advantages of incorporating interval training into your fitness routine:

  • Increased calorie burn: Interval training stimulates your metabolism, leading to a higher calorie burn during and after your workout. The intense bursts of exercise elevate your heart rate and engage multiple muscle groups, resulting in a more efficient calorie-burning process.
  • Improved cardiovascular fitness: By pushing your heart rate to higher levels during intense intervals, interval training helps to boost your cardiovascular health. Over time, this can lead to improved endurance, increased stroke volume, and a stronger heart.
  • Enhanced fat burning: Interval training promotes fat loss by increasing your body’s ability to use stored fat as fuel. The intensity of the workout activates your body’s fat-burning mechanisms and can result in greater fat loss compared to steady-state exercise.
  • Time-efficient: One of the biggest advantages of interval training is its time-saving nature. With shorter, high-intensity workouts, you can achieve the same or even better results compared to longer, moderate-intensity workouts. This is especially beneficial for individuals with busy schedules who struggle to find time for exercise.
  • Muscle strength and endurance: Interval training not only improves cardiovascular fitness but also helps to build strength and endurance. The intense exercise intervals challenge and strengthen your muscles, leading to increased power, stamina, and overall athletic performance.
  • Variety and motivation: Performing the same workout routine can become monotonous and lead to boredom and a lack of motivation. Interval training allows for endless variations in terms of exercise choices, interval durations, and intensities. This variety keeps your workouts interesting, motivating, and prevents plateaus.
  • Adaptable to all fitness levels: Whether you’re a beginner or an advanced athlete, interval training can be tailored to your fitness level. By adjusting the intensity, duration, and recovery periods, you can gradually increase the challenge as you progress, ensuring continuous improvement.

These are just some of the many benefits that interval training has to offer. Incorporating this workout method into your fitness routine can help you achieve your fitness goals more effectively, whether you’re aiming to lose weight, improve performance, or simply enhance your overall health and well-being.


How to Get Started with Interval Training

If you’re ready to embark on the journey of interval training, here are some steps to help you get started:

  1. Consult with a healthcare professional: Before beginning any new exercise program, it’s important to consult with a healthcare professional, especially if you have any underlying health conditions or concerns.
  2. Set your goals: Determine what you want to achieve through interval training. Whether it’s improving cardiovascular fitness, losing weight, or increasing strength, having clear goals will help you stay focused and motivated.
  3. Choose your preferred exercises: Decide which exercises or activities you enjoy or would like to try for your interval training workouts. It could include running, cycling, swimming, jumping rope, or any other form of exercise that gets your heart pumping.
  4. Start with a warm-up: Before diving into the intense intervals, make sure to warm up your body. Spend 5-10 minutes performing dynamic stretches and light aerobic exercises to prepare your muscles and joints for the upcoming workout.
  5. Design your interval workout: Determine the duration and intensity of your intervals and the length of your recovery periods. Beginners may start with shorter intervals and longer recovery periods, while more advanced individuals can increase the intensity and decrease the recovery time.
  6. Gradually increase intensity: Start with a moderate intensity during your first few interval training sessions. As you become more comfortable and gain fitness, gradually increase the intensity and push yourself harder during the intense intervals.
  7. Monitor your progress: Keep track of your workouts, including the duration, intensity, and any changes or improvements. This will help you gauge your progress and make necessary adjustments to your interval training program.
  8. Recovery is key: Allow yourself adequate time to recover between interval training sessions. This will prevent overtraining and reduce the risk of injury. Aim for at least one or two rest days per week.
  9. Stay hydrated and fuel properly: Hydration and proper nutrition are essential for optimal performance and recovery. Drink plenty of water before, during, and after your workouts, and fuel your body with nutritious foods that support your fitness goals.
  10. Listen to your body: Pay attention to how your body feels during and after interval training sessions. It’s normal to experience muscle soreness, but if you feel excessive pain or discomfort, it’s important to modify or adjust your workouts accordingly.

Remember, consistency and gradual progression are key when starting interval training. Start slowly and gradually increase the intensity and duration of your workouts as your fitness improves. With time and dedication, interval training will become an integral part of your fitness routine, helping you achieve the results you desire.


Setting Your Goals

When starting any fitness program, including interval training, it’s crucial to establish specific and achievable goals. Setting clear goals will not only provide you with a sense of direction but also serve as a source of motivation to stay consistent and committed to your training. Here are some steps to help you set effective goals for your interval training journey:

  1. Identify your motivations: Determine why you want to incorporate interval training into your fitness routine. Whether it’s to improve cardiovascular health, lose weight, build strength, or enhance athletic performance, understanding your motivations will help you set relevant goals.
  2. Be specific: Set specific goals that are measurable and time-bound. For example, instead of saying, “I want to get fitter,” you can set a goal like, “I want to be able to run a 5K race in under 25 minutes within three months.”
  3. Make them realistic: While it’s important to challenge yourself, make sure your goals are attainable and realistic. Setting unrealistic goals can lead to disappointment and frustration. Consider your current fitness level, lifestyle, and any limitations that may impact your progress.
  4. Break them down: Divide your larger goals into smaller, achievable milestones. This will make the overall goal less overwhelming and allow you to track your progress more effectively. Celebrating small victories along the way will boost your confidence and motivation.
  5. Consider your timeline: Determine a reasonable timeframe for achieving your goals. Make sure the timeline allows for gradual progression and allows you to adapt to the demands of interval training. Keep in mind that results may vary for each individual, so be patient and focus on the process rather than solely on the outcome.
  6. Track your progress: Keep a record of your workouts, including the duration, intensity, and any improvements you notice. This will help you stay accountable and track your progress over time. Regularly reassess your goals and make any necessary adjustments based on your progress.
  7. Stay motivated: Continuously remind yourself of why you set these goals and the benefits you will gain from achieving them. Find sources of inspiration that resonate with you, whether it’s reading success stories, following fitness influencers, or joining a supportive community.

Having clear goals will guide your interval training journey and provide you with a sense of purpose. Remember that setting goals is a personal process, and what works for others might not work for you. Customize your goals based on your own aspirations, abilities, and lifestyle, and be prepared to adapt and evolve them as you progress. With well-defined goals, you will have a roadmap to follow and the motivation to push yourself further in your interval training endeavor.


Types of Interval Training

Interval training offers various methods and formats that you can incorporate into your workouts. Here are some popular types of interval training:

  1. Tabata: Named after its creator, Dr. Izumi Tabata, Tabata intervals consist of 20 seconds of intense exercise followed by 10 seconds of rest. This format is repeated for a total of 4 minutes. Tabata intervals are known for their high intensity and are great for improving aerobic capacity and anaerobic performance.
  2. High-Intensity Interval Training (HIIT): HIIT involves short bursts of intense exercise followed by a brief recovery period. The intervals can range from 20 seconds to several minutes, depending on your fitness level and goals. HIIT is highly effective for burning calories, improving cardiovascular fitness, and boosting metabolism.
  3. Pyramid Intervals: Pyramid intervals involve gradually increasing and then decreasing the intensity or duration of your intervals. You start with a short, high-intensity interval, then gradually increase the length or intensity until you reach the peak. After reaching the peak, you then decrease the length or intensity in a similar manner.
  4. Interval Circuit Training: This type of interval training combines cardiovascular exercises with strength training exercises. You perform a set of exercises targeting different muscle groups, alternating between periods of high-intensity cardio exercises and strength exercises. It provides a well-rounded workout that improves both cardiovascular fitness and muscular strength.
  5. Variable Intervals: Variable intervals involve changing the duration and intensity of the intervals throughout your workout. For example, you can alternate between short, intense bursts of exercise and longer, moderate-intensity intervals. This type of interval training keeps your body guessing and prevents it from adapting to a consistent pattern.
  6. Fartlek Training: Fartlek, a Swedish term meaning “speed play,” involves mixing various intensities of running or other cardiovascular activities. You alternate between periods of easy-paced jogging, fast-paced running, and sprinting. Fartlek training is a flexible and enjoyable way to incorporate interval training into your outdoor cardio workouts.

These are just a few examples of the many interval training methods available. Experiment with different types to find what works best for you and keeps you motivated. You can also combine different formats to add variety and challenge to your workouts. Remember to gradually progress the intensity and duration of your intervals as your fitness improves.

It’s important to note that while interval training can provide great benefits, it may not be suitable for everyone, especially individuals with certain health conditions or injuries. Consult with a healthcare professional to determine the most appropriate type of interval training for your specific needs and abilities.


Designing Your Interval Training Workouts

When it comes to designing your interval training workouts, there are several factors to consider to ensure effectiveness and safety. Here are some key steps to help you design effective and tailored interval training workouts:

  1. Determine your fitness level: Assess your current fitness level to determine the appropriate intensity and duration of your intervals. Beginners may start with shorter intervals and longer recovery periods, while more advanced individuals can challenge themselves with longer, more intense intervals.
  2. Choose the exercises: Select exercises or activities that you enjoy and that align with your fitness goals. This can include running, cycling, swimming, jumping rope, or any other form of exercise that gets your heart rate up. Varying your exercises can help prevent boredom and keep your workouts engaging.
  3. Set the work-to-rest ratio: Decide on the duration of the intense interval and the length of the recovery period. The work-to-rest ratio will depend on various factors, including your fitness level and goals. A common ratio is 1:1, with equal intervals of high intensity and recovery, but you can adjust it as needed.
  4. Gradually increase intensity: As you progress in your interval training, gradually increase the intensity of your intervals. You can do this by increasing the speed, resistance, or effort level. Progressive overload is essential to continue challenging your body and making progress.
  5. Mix up the interval lengths: Try incorporating different interval lengths within your workout. For example, you can include shorter, intense bursts lasting 10-30 seconds, followed by longer intervals of 1-2 minutes. This variation keeps your body guessing and helps prevent adaptation.
  6. Add variety: Spice up your interval training workouts by adding different types of intervals or exercises. You can include Tabata intervals one day, pyramid intervals the next, and fartlek training another day. This variety keeps your workouts interesting and prevents monotony.
  7. Include recovery periods: It’s important to incorporate recovery periods between intervals to allow your body to rest and recover. Active recovery, such as light jogging or walking, can help maintain blood flow and prevent muscle stiffness. Take enough time to recover fully before starting the next interval.
  8. Progress gradually: Gradually increase the intensity, duration, or number of intervals as your fitness improves. The key is to challenge yourself while maintaining proper form and technique. Push yourself, but not to the point where it compromises safety or leads to overtraining.
  9. Listen to your body: Pay attention to how your body feels during and after your interval training workouts. If you experience pain or discomfort that is beyond normal muscle soreness, adjust your workout intensity or seek guidance from a qualified fitness professional.

Remember to warm up before starting your interval training workouts and incorporate a cool-down at the end to gradually bring your heart rate back to normal. Stay hydrated throughout your workout, and always prioritize safety and proper form. It’s also beneficial to have a structured plan or program to follow, which can help you stay on track and monitor your progress.

By designing well-rounded and challenging interval training workouts, you can optimize your results, enhance your fitness level, and continue progressing towards your goals.


Warm-up and Cool-down for Interval Training

Warm-up and cool-down periods are crucial components of any workout, including interval training. They help prepare your body for exercise, prevent injury, and promote recovery. Here’s why warm-up and cool-down are important for your interval training sessions:


A proper warm-up is essential to prepare your body for the upcoming intensity of your interval training workout. Here are the key elements of an effective warm-up:

  • Dynamic stretches: Perform dynamic stretches that target the major muscle groups you will be engaging during your intervals. These stretches involve continuous movement and help increase your range of motion.
  • Cardiovascular warm-up: Include a few minutes of light cardiovascular exercise, such as jogging or cycling, to gradually elevate your heart rate and increase blood flow to your muscles.
  • Activation exercises: Engage in exercises that activate the specific muscles you will be using during your interval training. This helps establish proper muscle activation and prepares your body for the movements ahead.

By incorporating a comprehensive warm-up, you increase your body’s temperature, improve flexibility, enhance blood flow, and mentally prepare for the upcoming intensity of your interval training.


A proper cool-down is just as important as the warm-up in an interval training session. It allows your body to gradually transition from intense exercise to a restful state, aiding in recovery and reducing muscle soreness. Here’s what a cool-down typically entails:

  • Gradual reduction in intensity: Slowly decrease the intensity of your exercise, transitioning from high-intensity intervals to lower intensity movements. This allows your heart rate to gradually return to its resting state.
  • Static stretching: Incorporate static stretches during your cool-down to improve flexibility and reduce muscle tension. Focus on stretching the major muscle groups you worked during your intervals, holding each stretch for 15-30 seconds.
  • Breathing exercises: Practice deep breathing exercises to help calm your heart rate and promote relaxation. This can also help shift your focus from the intense workout to a state of recovery and restoration.

A proper cool-down helps prevent dizziness and lightheadedness, facilitates the removal of metabolic waste products, and promotes proper circulation and muscle recovery.

Remember, the warm-up and cool-down periods should not be rushed or neglected. Allocate at least 5-10 minutes for both at the beginning and end of your interval training sessions. Tailor your warm-up and cool-down based on your personal needs and fitness level.

By incorporating a comprehensive warm-up and cool-down into your interval training routine, you set the stage for a safe and effective workout while also supporting your body’s recovery process.


Important Considerations for Interval Training

Interval training can be an excellent way to improve fitness and achieve your health goals, but it’s important to keep a few key considerations in mind to ensure a safe and effective workout. Here are some important factors to consider when engaging in interval training:

  1. Proper form and technique: Pay attention to your form and technique during each exercise to ensure proper alignment and prevent injury. If you’re unsure about the correct form, consider seeking guidance from a qualified fitness professional.
  2. Gradual progression: Progress gradually, both in terms of intensity and duration of the intervals. Avoid sudden increases in workload, as this can lead to overexertion and increased risk of injury. Listen to your body and make adjustments accordingly.
  3. Recovery and rest days: Allow adequate recovery time between interval training sessions. Overtraining can lead to fatigue, diminished performance, and potential injuries. Incorporate rest days into your training plan to give your body time to repair and recharge.
  4. Listen to your body: Pay attention to any indications of pain, discomfort, or fatigue during exercise. Push yourself, but not to the point where it compromises your safety. If you experience persistent pain or discomfort, consult with a healthcare professional.
  5. Stay hydrated: Hydration is crucial during interval training. Drink water before, during, and after your workouts to prevent dehydration. The intensity of your intervals can lead to increased sweating, so be mindful of your fluid intake.
  6. Proper nutrition: Fueling your body with the right nutrients is essential for optimal performance and recovery. Consume a balanced diet that includes a mix of carbohydrates, protein, and healthy fats. Consult a registered dietitian for personalized nutrition advice.
  7. Warm-up and cool-down: Don’t neglect the importance of a proper warm-up and cool-down. These periods help prepare your body for exercise and aid in recovery. Allocate sufficient time for both at the beginning and end of your interval training sessions.
  8. Personal health considerations: If you have any pre-existing medical conditions or injuries, consult with a healthcare professional before starting interval training. They can provide guidance on exercises to avoid or modify based on your specific needs.
  9. Avoid comparison: Focus on your own progress and avoid comparing yourself to others. Everyone’s fitness level is different, and what works for someone else may not work for you. Celebrate your own accomplishments and embrace your unique journey.
  10. Maintain consistency: Consistency is key when it comes to interval training. Aim to incorporate regular interval sessions into your routine to achieve the desired results. Even if you have time constraints, shorter, high-intensity workouts can be just as effective as longer, steady-state workouts.

By keeping these considerations in mind, you can maximize the benefits of interval training while minimizing the risk of injury or burnout. Remember to listen to your body, take care of yourself, and enjoy the process of challenging yourself and achieving your fitness goals through interval training.


Monitoring Your Progress

Monitoring your progress is an essential aspect of any training program, including interval training. Regularly assessing your progress allows you to track improvements, make necessary adjustments, and stay motivated. Here are some ways to effectively monitor your progress in interval training:

  1. Keep a workout journal: Record your interval training sessions, including the exercises, duration, intensity, and any observations or notes. This allows you to look back and see how far you’ve come, identify patterns, and make informed decisions about your workouts.
  2. Track your performance: Measure your performance during your intervals, such as distance covered, speed, or number of repetitions. Use a fitness tracking device or app to monitor your progress and set goals based on the data you collect.
  3. Assess perceived exertion: Pay attention to how challenging each interval feels on a subjective scale. This can be based on a rating of perceived exertion (RPE) or a self-assessment of effort level. As your fitness improves, you may find that previous levels of intensity feel less demanding.
  4. Measure cardiovascular fitness: Periodically assess your cardiovascular fitness by performing a fitness test, such as the 1-mile run, beep test, or a timed distance. Repeat the test every few weeks or months to see if there’s an improvement in your performance.
  5. Monitor heart rate: Use a heart rate monitor during your workouts to track your heart rate response to the intervals. Over time, you may notice changes in your heart rate recovery and the amount of time it takes for your heart rate to return to normal after intense intervals.
  6. Track body measurements: Take body measurements, such as weight, body fat percentage, or waist circumference, to assess changes in body composition. These measurements can provide insight into the effectiveness of your interval training program beyond just performance improvements.
  7. Assess muscular strength and endurance: Perform regular assessments of your muscular strength and endurance, using exercises specific to the muscle groups you are targeting with your interval training. Monitor changes in the number of repetitions, amount of weight lifted, or how easily you can perform certain exercises.
  8. Listen to feedback from your body: Pay attention to how your body feels and responds to interval training. Notice improvements in energy levels, recovery time between intervals, and overall feelings of strength and stamina. Be mindful of any aches or pains that may indicate the need for adjustments or modifications in your training.

Remember that progress is not always linear, and there may be fluctuations in your performance from one session to another. It’s important to focus on long-term trends rather than getting discouraged by small setbacks.

By monitoring your progress in interval training, you gain a better understanding of your capabilities, identify areas for improvement, and stay motivated as you see tangible results. Adjust your training plan accordingly based on the information you gather and continue striving towards your fitness goals.


Common Mistakes to Avoid in Interval Training

Interval training is a highly effective workout method, but like any type of exercise, it’s important to approach it with proper technique and mindset. Here are some common mistakes to avoid in order to get the most out of your interval training sessions:

  1. Skipping the warm-up and cool-down: Neglecting to properly warm up before starting your intervals and cool down afterward can increase the risk of injury and hinder recovery. Always allocate time for a thorough warm-up and cool-down in your workouts.
  2. Starting with overly intense intervals: While it’s important to challenge yourself, don’t push beyond your fitness level too soon. Gradually increase the intensity and duration of your intervals to avoid overexertion and burnout.
  3. Ignoring rest and recovery: Rest and recovery are critical in interval training. Overtraining can lead to fatigue, diminished performance, and increased risk of injury. Make sure to incorporate rest days into your training program and listen to your body’s signals for adequate recovery.
  4. Focusing solely on high-intensity intervals: While high-intensity intervals are an integral part of interval training, it’s important to include recovery periods and lower-intensity intervals. This balance allows for better overall conditioning and reduces the risk of overuse injuries.
  5. Improper form and technique: Performing exercises with incorrect form can lead to ineffective workouts and increase the risk of injury. Focus on maintaining proper form and technique throughout your intervals, and seek guidance from a qualified trainer if needed.
  6. Neglecting progression: It’s essential to gradually progress the intensity and duration of your intervals over time. Without progression, your body will adapt and plateau. Continuously challenge yourself by increasing the difficulty of your workouts within your capabilities.
  7. Not listening to your body: Your body is a powerful indicator of what it can and cannot handle. If you experience persistent pain, dizziness, or extreme fatigue during or after intervals, it’s crucial to listen to your body and make adjustments or seek professional advice if needed.
  8. Improper rest intervals: Make sure to allow adequate recovery time between intervals. Rushing through or cutting short the recovery periods can compromise the quality and effectiveness of your workout. Pay attention to your body and give yourself enough time to rejuvenate between intervals.
  9. Overemphasizing quantity over quality: Although interval training can be time-efficient, it’s important to focus on the quality of your intervals rather than simply rushing through them to complete a certain number. Proper form, technique, and effort are crucial for optimal results.
  10. Ignoring individual needs and goals: Every person is unique, with different fitness levels, goals, and limitations. Avoid comparing yourself to others and tailor your interval training program to suit your own needs and preferences. Seek professional guidance to customize your workouts if necessary.

Avoiding these common mistakes will help you create a safe and effective interval training routine. Remember to listen to your body, prioritize proper form and technique, and give yourself time for rest and recovery. By staying mindful and following these guidelines, you can maximize the benefits of interval training and achieve your desired fitness goals.


Final Thoughts on Interval Training

Interval training is a highly effective and versatile workout method that can help you achieve your fitness goals more efficiently. By incorporating high-intensity intervals and periods of recovery, interval training challenges your body, boosts calorie burn, and improves cardiovascular fitness, endurance, and strength.

One of the great advantages of interval training is its adaptability to different fitness levels and preferences. Whether you’re a beginner or an advanced athlete, you can customize the intensity, duration, and exercises to suit your abilities and goals.

It’s important to approach interval training with proper form, technique, and mindset. Avoid common mistakes, like skipping warm-ups or overexerting yourself too quickly, to reduce the risk of injury and maximize the benefits of your workouts. Listen to your body, allow time for rest and recovery, and gradually progress the intensity and duration of your intervals.

Stay consistent and monitor your progress through various means, such as tracking performance, assessing perceived exertion, and measuring fitness markers. This will provide motivation and help you gauge your improvement over time.

Remember that interval training is just one piece of the puzzle. Incorporate a balanced approach to your overall fitness routine, including strength training, flexibility work, and other forms of cardiovascular exercise, to create a well-rounded program that supports your goals.

Lastly, enjoy the journey. Interval training can be challenging, but it’s also rewarding and invigorating. Embrace the variety, versatility, and effectiveness of interval training as you progress on your fitness journey.

So, lace up your shoes, find your rhythm, and embrace the power of interval training to push your limits, achieve optimal fitness, and unlock your full potential. Whether you want to improve your cardiovascular health, shed pounds, or enhance athletic performance, interval training is a proven method to help you get there.