Should you start your workout with cardio or strength training?
Peter Attia MDPublished on February 11, 2025
Summary authored by editor@wellifi.com
TLDR Summary
Deciding whether to do cardio or resistance training first on the same day depends on personal goals, workout intensity, and practical considerations. Prioritizing based on what matters most and considering recovery time between workouts can help optimize performance. There's no one-size-fits-all rule, and flexibility based on individual experience is key.
Key Points
- Prioritize the workout that matters most to you, especially if it’s more intense or requires a higher level of performance.
- Consider practical life constraints and the load and recovery time needed between workouts.
- For lower body days, doing low-load cardio in the morning and high-load resistance training later can be manageable with sufficient rest in between.
- On upper body days, the sequence of cardio and resistance training may not significantly impact performance.
- Listen to your body and adjust based on personal goals and how you feel to optimize your training regimen.
Optimizing Your Workout: Cardio or Resistance Training First?
When it comes to combining cardio and resistance training in a single day, the question of which to do first can be a bit of a puzzle. The answer isn't as straightforward as one might hope, and it can depend on various factors, including personal goals, the intensity of the workouts, and even practical life constraints. Let's dive into some considerations that can help you make the best decision for your fitness regimen.
Choosing Based on Priority
One simple rule of thumb is to prioritize the workout that matters most to you. This prioritization can be particularly important if one of the workouts is significantly more intense or requires a higher level of performance. For instance, if you're planning a VO2 Max workout, which is generally high intensity and might only be done once a week, it makes sense to do this before a resistance training session to ensure you're performing at your best.
Practical Considerations and Personal Experience
However, life doesn't always allow for perfect scheduling. Travel, work, and other commitments can dictate when we can fit our workouts in. In these cases, it's useful to consider the load and recovery time needed between workouts. For example, a Zone 2 cardio session, known for its lower intensity, might be more easily paired on the same day with a high-load leg resistance training session, provided there's sufficient rest between them.
From personal experience, doing a low-load Zone 2 cardio session in the morning and a high-load leg resistance session later in the day can be quite manageable. This approach allows for ample recovery time and doesn't negatively impact the performance of the second workout. The key is to listen to your body and adjust based on how you feel and what you're able to accomplish without risking injury.
Upper vs. Lower Body Workouts
The decision of which workout to do first may also differ based on whether you're focusing on upper or lower body. For upper body days, the sequence may not matter as much, and you might find it easier to transition between cardio and resistance training with minimal impact on your performance.
Conclusion
Ultimately, there's no hard and fast rule dictating the sequence of cardio and resistance training. It's more important to consider what you're trying to achieve, the specifics of your workouts, and how your body responds. By being flexible and making informed decisions based on your goals and experiences, you can optimize your training for the best results.
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