Anyone on a weight-loss journey knows that both diet and exercise play important roles in attaining a healthier weight—but figuring out what type of exercise is best for weight-loss has been a source of confusion for decades.
Many people think that aerobic (cardiovascular) exercise is the fastest path to fat reduction because it burns the most calories per session. While that has been the prevailing thinking for ages, research is beginning to shift. Plus, there are some undeniable benefits of combining aerobic (cardio) and anaerobic (strength) training to reach your goals faster.
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Here’s what the research says about cardio and strength training for weight loss and how to best spend your time.
Table of content
Top 5 Benefits of Cardio Training
- Cardio boosts heart health and stamina by enhancing oxygen uptake, thus improving endurance and efficiency in physical activities.
- Cardio aids in fat loss, offering two approaches: High-Intensity Interval Training (HIIT) preserves muscle while burning fat through hormonal activation, and Low-Intensity Steady State (LISS) is optimal for sustained fat loss at a gentle pace, suitable for all fitness levels.
- Engaging in cardio exercises elevates energy levels by triggering the release of stress hormones in moderate amounts, which energizes the body.
- Regular cardio exercises strengthen the heart, leading to reduced effort in blood pumping and consequently lowering blood pressure.
- Cardio workouts enhance mental clarity and brain function due to improved blood circulation, benefiting memory and alertness.
Also Read: How to Lose Weight in 8 Weeks?
Top 5 Benefits of Strength Training
- Strength training enhances muscle growth through hypertrophy, as resistance from weights prompts muscle tissue breakdown and rebuilding, proven to increase lean mass.
- Post-workout, strength training continues to burn calories due to the ongoing muscle repair process, leading to an extended calorie burn.
- It boosts bone density, reducing the risk of osteoporosis and fractures, thereby strengthening bones.
- Enhancing muscle strength supports joint health, improves balance, coordination, and posture, thereby reducing the risk of injuries and conditions like arthritis.
- Weight training benefits cardiovascular health by increasing lean muscle, which aids in more efficient oxygen processing and blood pumping, lowering the risk of heart disease and strokes.
Cardio Has Long Been the King of Calorie Burning
While it is true that cardio exercise is a form of exercise that can contribute to weight loss, scientists have long deduced that cardio exercise burns more calories per session when compared to strength training. However, we have ample evidence today to show that cardio is not the only or best way to lose weight.
It’s easy to see where this belief stems from, though. If consistently being in a calorie deficit is the key to weight loss and scientists have long said that cardio burns more calories per workout session than weight-training, it’s no wonder weight-loss hopefuls think they need to run weekly marathons in order to drop fat fast. But resistance training has also been found to be effective for weight loss—in new and different ways.
Also Read: Mental Strength Vs Physical Strength - Can You Have Both?
Now, Weight Training May Burn As Many Calories Per Session
It was historically believed that strength training couldn’t measure up to cardio for burning maximum calories per training session but a recent meta-analysis of 58 studies paints a different picture.
Of the 3000 plus participants across these studies that followed a weight training program for five months, participants lost 1.4% of body fat per week on average, which experts say is about the same body fat reduction that’s been associated with cardio exercise. This is a revolutionary discovery after decades of research saying that cardio reigned supreme for calories burned per session.
But whether you favor epic running sessions or repping it out in the weight room, the study author of this meta analysis says that a combination of both cardio and strength training—along with a nutritious diet— is still the best approach for weight loss (more on that in a minute).
Weight Training Burns Calories Long After Exercise
Now that we know that cardio and weight training come pretty close in calories burned per workout, let’s look at another appealing aspect of strength training that should encourage you to include resistance training in your routine—even if it’s not your first choice. Unlike cardio exercise, the effects of weight training last long after the workout is over.
That’s right. For an impressive 72 hours after a strength-training session, your metabolic rate remains high, meaning that you’re still zapping calories even at rest (think sitting down or even sleeping).
If that’s not enough to convince you to prioritize strength days, another key benefit is that pumping iron helps you to maintain muscle mass over time, which keeps your metabolism humming along efficiently and supports weight loss.
How Much Cardio and Strength Training Should You Do?
While the cardio-to-strength split will depend (and vary) largely based on the individual and the individual’s exercise prescription from a qualified personal trainer, a popular programming breakdown includes approximately two to three days of strength training and about five 30-minute cardio sessions per week. You can either do full-body resistance days using compound (multi-joint) exercises to make the most of each session, or you can break it up and do a leg day, a push day and a pull day.
The general exercise recommendation according to the World Health Organization is 150 to 300 minutes of activity a week, which is about 21 to 43 minutes a day. But if you’re condensing your training days into five days (instead of seven), you’re looking at five one-hour sessions a week.
You can either separate your cardio and strength days or combine them depending on your preference. Here’s what each option could look like:
Cardio & Strength Combined:
Monday: 30 minutes cardio + 30-min leg workout
Tuesday: 1-hour cardio
Wednesday: 30 min cardio + 30-min pull workout
Thursday: 1-hour cardio
Friday: 30 min cardio + 30-min push workout
Cardio & Strength Separate:
Monday: 1-hour leg workout OR 1-hour full body workout
Tuesday: 1-hour cardio
Wednesday: 1-hour pull workout OR 1-hour full body workout
Thursday: 1-hour cardio
Friday: 1-hour push workout OR 1-hour full body workout
Also Read: Circuit Training Exercises
Bottom line
Whether you’re a cardio fanatic or you prefer weight-training, experts agree that a blend of both cardio and resistance training is the best recipe for reaching peak fitness and weight loss.
It’s also important to remember that you can’t monitor the full scope of your progress by stepping on the scale alone. Consider a comprehensive body composition scan to see a detailed breakdown of your fat, muscle and bone mass and how you are progressing over time. Find one near you here.
By: David Barta
Fitness Goal Keeper
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