When to Do Cardio: Before or After Strength Training?
Table Of Contents
- Key Takeaways
- Understanding the Basics: Cardio and Strength Training
- The Impact of Workout Order on Your Goals
- Timing Matters: Workout Duration and Intensity
- Best Ways to Combine Cardio and Strength Training
- Myths Busted: Cardio vs Weights
- Your Fitness Goals, Your Workout Plan
- Final Thoughts
If you’ve ever asked yourself, “Should I do cardio before lifting or after?” you’re not alone. It’s one of the most debated questions in the fitness world. Whether your goal is fat loss, muscle gain, or just overall health, the order of your workouts can make a real difference. So let’s break down the science, sort through the myths, and find out the best workout sequence for you.
Key Takeaways
- The ideal workout order depends on your goal, fat loss, endurance, strength, or muscle gain.
- Cardio before weights can benefit endurance training, but may fatigue your muscles.
- Cardio after strength training helps preserve energy for heavy lifts and may promote better fat burn.
- Combining cardio and strength training in the right way can improve overall fitness without sacrificing results.
- Your training schedule, intensity, and recovery matter more than a one-size-fits-all answer.
Understanding the Basics: Cardio and Strength Training
Before diving into the cardio before or after weights debate, let’s get clear on what each workout does.
Cardio (short for cardiovascular exercise) boosts your heart rate, improves stamina, and burns calories quickly. Think running, cycling, swimming, or using a treadmill.
Strength training builds muscle, strengthens bones, and increases metabolism over time. This includes exercises like squats, deadlifts, dumbbell curls, and bodyweight moves.
Both types of exercise offer unique benefits. But when combined strategically, they can become a powerful fat-burning, muscle-building combo.
The Impact of Workout Order on Your Goals
1. Fat Loss: Should You Do Cardio Before or After Weights?
If your main goal is shedding fat, the answer leans towards cardio after strength training.
Here’s why: When you lift weights first, your body uses glycogen (stored carbs) for energy. By the time you hit cardio, those glycogen stores are low, so your body is more likely to tap into fat stores for fuel.
A 2016 study published in Journal of Strength and Conditioning Research found that participants who did cardio after strength training burned more fat than those who did cardio first. This is why many trainers recommend strength-first routines for fat burning.
Best workout sequence for fat loss:
Strength training → Cardio (moderate to high intensity).
2. Muscle Gain: Preserve Energy for Lifting
If your goal is hypertrophy (muscle growth), doing cardio first might not be the best idea.
Cardio can deplete your energy reserves and neuromuscular efficiency, leaving you too tired to lift heavy. This can lead to poor form, fewer reps, and slower progress in building strength.
Cardio timing for muscle gain:
Lift weights first to train at full strength → Optional light cardio later.
3. Improving Cardiovascular Endurance
If you’re training for a marathon, triathlon, or just want to boost your heart health, cardio should take centre stage.
By doing cardio first, you can focus on building your aerobic capacity without being too fatigued from lifting. In this case, strength training acts as a supportive element to prevent injury and strengthen the muscles involved in endurance.
Optimal workout routine for endurance:
Cardio → Strength (light to moderate intensity).
4. General Fitness: What’s Best for Overall Health?
If you’re working out for better health, energy, and mood, then your personal preference plays a big role. The best routine is the one you’ll stick to.
Some people prefer cardio first as a warm-up. Others feel better lifting before getting sweaty. If you’re combining cardio and strength training in one session, try alternating which one you prioritise each day.
Fitness tips for workout planning:
Alternate focus between cardio and strength, depending on the day or goal.
Timing Matters: Workout Duration and Intensity
It’s not just the order, duration, and intensity that matter. Long cardio sessions before lifting can seriously drain your power. So, if you're combining both:
- Keep cardio light if you’re doing it before strength (e.g., a 10-minute warm-up jog).
- Save intense cardio (like HIIT or long runs) for after your strength session, or do it on alternate days.
Also, give your body time to rest. Doing intense cardio and heavy lifting every day can lead to overtraining, fatigue, or even injury. Plan your weekly schedule with rest and active recovery days.
Best Ways to Combine Cardio and Strength Training
Here’s how to combine cardio and strength training without compromising results:
1. Split Sessions
Do cardio in the morning and strength training in the evening (or vice versa). This lets your body recover between sessions and perform both types of exercise at higher intensity.
2. Alternate Days
Do strength training on some days and cardio on others. This schedule gives each workout type your full attention.
Example:
- Monday: Strength.
- Tuesday: Cardio.
- Wednesday: Strength.
- Thursday: Rest or active recovery.
- Friday: Cardio.
- Saturday: Full body strength.
- Sunday: Rest.
3. Same-Day Combo
If you’re tight on time and doing both in one session:
- Lift weights first if your focus is strength or fat loss.
- Do cardio first if your goal is endurance.
Tip: Keep transitions short and use compound exercises to save time.
Myths Busted: Cardio vs Weights
There’s a long-standing myth that cardio kills gains. That’s not entirely true. Doing too much cardio can interfere with muscle growth, especially if you're in a calorie deficit or not getting enough recovery. But when balanced, strength training with cardio leads to leaner muscle, better heart health, and greater stamina.
Another myth? You have to choose between cardio and weights. The truth is, both are essential for long-term fitness and health. It's all about how you sequence and structure your workouts.
Your Fitness Goals, Your Workout Plan
Choosing whether to do cardio before or after strength training ultimately comes down to your goals and how your body responds.
Here’s a quick goal-based summary:
| Goal | Do Cardio Before or After? |
| Fat Loss | After Strength Training |
| Muscle Gain | After or on separate days |
| Endurance Training | Before Strength Training |
| General Fitness | Based on personal preference |
| Time-Crunch Workouts | Cardio (light) as a warm-up |
Final Thoughts
There’s no one-size-fits-all answer to the cardio and strength training order. Whether you're training for fat loss, strength, endurance, or overall wellness, the key lies in aligning your workout sequence with your goals.
Remember, the best workout routine is the one that fits your lifestyle and keeps you consistent. Pay attention to how your body feels, listen to its cues, and don’t be afraid to experiment with different combinations. Over time, you’ll discover what works best for you, and that’s where real, lasting fitness begins.
Should I do cardio before lifting if I want to warm up?
Yes, but keep it light. A 5–10-minute brisk walk, jog, or cycling is enough to warm up your muscles without using up too much energy.
Can I do cardio and weights on the same day?
Absolutely. Just adjust intensity and timing. For fat loss or muscle gain, do weights first. For endurance, cardio first. Or split them between morning and evening sessions.
Is it okay to do cardio every day if I’m also lifting?
It depends on intensity and your recovery. Light cardio (like walking or low-impact cycling) is fine daily. But intense sessions need rest in between—especially if lifting heavy.
Will doing cardio after weights burn muscle?
Not if you’re fuelling your body well. Eating enough protein, getting rest, and not overtraining will protect your muscle gains, even with cardio after lifting.
