When designing a workout routine, one question that often arises is the order of exercises, particularly whether you should tackle abs before or after cardio. The answer isn’t a one-size-fits-all solution as it is dependent on your fitness goals, energy levels, and personal preferences.
Your body has a limited energy reserve, primarily stored as glycogen in muscles, to fuel your workout (1). The sequence of exercises can influence how effectively this energy is utilized.
By prioritizing the component of your workout that is aligned with your goals, you ensure maximum effort and focus when your energy is at its peak.
Here’s what to know when designing your routine.
Abs and cardio are complementary exercises that can be done together effectively, as long as the session is well-planned.
Cardio primarily improves cardiovascular health and aerobic capacity. It’s excellent for burning calories and reducing overall body fat (2). On the other hand, abs exercises aim to strengthen the muscles in the core, which include the abdominals, obliques, and lower back (3). These muscles support posture, stabilize movement, and play an essential role in most physical activities (4).
When combined, these activities target complementary aspects of fitness. Cardio helps create the calorie deficit that is needed for fat loss (5), while abs exercises improve muscle tone and core strength (4). When done strategically, this pairing can enhance your overall workout efficiency. For more details about calisthenics supersets, take a look at our prior publication.
Both approaches have their benefits and drawbacks and the right choice often depends on your specific goals and individual body responses.
Focused Energy for Core Work
At the start of a workout, your energy levels are at their highest. This means your muscles can perform with optimal strength and endurance.
Prioritizes Core Strength Goals
If improving core strength is your main objective, starting with abs ensures you’re giving this area the highest priority.
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Potential Fatigue During Cardio
The core plays an essential role in maintaining posture and stability during cardio (4). If the core muscles are fatigued from abs exercises, your cardio performance may suffer.
Scenario: Imagine completing a challenging ab circuit, then immediately moving to treadmill sprints. A fatigued core may cause alignment issues, which will impact your stride.
Reduced Capability for Elevated Cardiovascular Output in a Given Workout Session
When cardiovascular exercise follows intense abs training, your overall stamina and energy reserves may be reduced.
Takeaway: If fat loss or cardiovascular health is your top goal, prioritizing cardio may be wiser.
Warms up the Core Muscles
Cardio increases your body’s temperature and stimulates blood flow to your muscles (6). This applies to your core too.
Example: Running or cycling engages the core indirectly, acting as a natural warm-up for targeted abs work later.
Enhances Fat Loss Potential
If your goal is fat loss, cardio before abs may help because it burns more calories upfront.
Decreased Core Engagement
After a demanding cardio session, overall fatigue may impact your ability to fully engage the core during abs moves.
Increased Risk of Poor Form
Fatigue after cardio doesn’t just affect engagement, it can also hurt your form.
Caution: Always aim for quality over quantity when training the core, even if you feel tired.
Your ideal workout order will depend on your fitness goals and personal preferences. Here are some recommendations to guide your choice:
Read more: 7 Exercises for an Ab Workout, No Equipment Needed
The order of exercises can influence your performance (7), which plays a role in how many calories you will burn during a workout.
However, fat loss is a long-term process that requires consistent effort. You should focus on structuring workouts in a way that supports your performance (how well you execute exercises) and consistency (how frequently you work out).
Ultimately, the order of exercises plays a minimal role in fat loss compared to other factors such as diet and overall activity level.
That being said, there are some considerations when it comes to the order of exercises for optimal fat burning results. Here are a few tips you should keep in mind:
By starting with cardio first:
Our previous article covers everything you need to know about beginner cardio workout.
For fat-burning goals, leading with cardio is often practical as it maximizes calorie expenditure upfront.
Starting with abs won’t burn as many calories initially, but it still has benefits. By focusing on abs exercises when your energy is fresh, you can effectively engage your core muscles and improve strength. A stronger core can improve posture, stabilize movement, and even boost your efficiency during cardio exercises (8).
However, abs exercises alone don’t require as much energy as cardio. The calorie burn from an abs-focused portion of your workout will be lower. If you perform abs first and your core becomes fatigued, you may find it difficult to maintain proper form during cardio, which could limit your performance and calorie burn.
To summarize:
Read more: At-Home Workout For Abs: 3 Basic Exercises To Do
Rest during a workout may feel like “downtime”, but it’s an essential part of your routine. The right amount of rest can impact your performance, recovery, and results (9). When combining abs and cardio in a workout, the duration of rest between the two will depend on your fitness goals and the intensity of your session.
The ideal rest period between abs and cardio varies depending on what you aim to achieve. Here’s a breakdown:
1. For Fat Loss
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2. For Endurance
Uncover the surprising benefits of the ab exercises on pull up bar in our past article.
3. For Core Strength
The intensity of your exercises also influences how much rest you need. High-intensity abs moves, such as V-ups or bicycle crunches, place significant strain on your core.
Similarly, vigorous cardio, such as sprints or HIIT, demands more recovery time to replenish energy stores. If you combine two high-intensity segments, lean toward longer rest (60-90 seconds).
With lower-intensity exercises, rest can be shorter. For example, a steady jog followed by gentle core work may only require 15-20 seconds to transition safely.
While these guidelines are useful, your body’s cues are the best indicator of rest duration. If your breathing is labored or your muscles feel fatigued, it’s okay to take a bit more time. Rushing back into exercise prematurely can lead to burnout or compromised form.
Separating these two workouts can allow for better focus and recovery. By dedicating a full session to either abs or cardio, you’ll maximize the quality of your workout.
1. Improved Performance
If you’re not dividing your energy between abs and cardio in the same session, you can give 100% effort to each. For example:
2. Better Recovery
The core will be involved in all cardio exercises. It may not be the primary muscle being used, but you need that stability for anything in the gym or outside of it. Running, jumping, swimming, biking, and stair stepping all rely heavily on the core.
Doing one type of workout at a time reduces the strain on your muscles. Separating them can prevent overfatiguing the core, which is heavily involved in both abs and cardio exercises. This also lowers the risk of injury.
3. Flexibility to Prioritize Goals
Separating workouts lets you schedule each according to your goals. For example:
This balance helps you pursue both goals without compromising on quality.
The order in which you do cardio and abs won’t drastically affect the results of your core training and the development of your core. What matters more is the quality of your workout and maintaining proper form. That being said, doing abs after cardio can be harder as your core may already be fatigued, which may impact performance during ab exercises. The timing of your workout doesn’t significantly change how effective your ab exercises are. Whether you work out in the morning or evening, consistency and proper technique are far more important factors for building a strong core. Morning workouts can be beneficial if you feel more energized and focused earlier in the day. However, there’s no physiological advantage to working out in the morning versus later. Choose a time that is aligned with your energy levels and schedule to ensure consistency. Yes, rest days are essential for muscle recovery and growth, including your abdominal muscles. Overtraining can lead to fatigue and hinder progress. Proper rest, combined with a balanced diet and consistent training, supports better results for ab definition.Frequently Asked Questions
Does cardio order affect ab results?
Does workout timing change ab effectiveness?
Is morning better for abs and cardio?
Do rest days help ab definition faster?
Whether to do abs before or after cardio depends largely on your personal fitness goals. For fat loss and endurance, starting with cardio is often the better choice. However, if core strength and stability are your priorities, tackle abs first while your energy is fresh.
Remember, the best workout is the one that is tailored to your needs and preferences. By being purposeful with the order of your exercises, you can optimize performance, reduce the risk of injury, and get closer to your fitness goals.
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