Will I lose muscle if I do cardio on rest days?

Author: Prof. Faustino Beer V  |  Last update: Saturday, August 9, 2025

In fact, newer studies have shown quite the opposite could be true: cardio doesn't inhibit muscle gain and may even help it. “In recent years, the body of research evidence indicates that doing concurrent training does not interfere with hypertrophy following resistance training,” Rosenkranz says.

Is it okay to do cardio on your rest days?

Absolutely yes, you can do cardio on rest days, just to ensure you have enough energy to complete the non-rest day training.

Will I lose muscle if I do cardio for a week?

No, cardiovascular exercise does not make you lose muscle mass. In fact, it can help you build muscle and strength. Regular cardiovascular exercise can improve your cardiovascular fitness, help you burn calories, and reduce your risk of developing certain chronic diseases.

Is it okay to do cardio 7 days a week?

Yes, you can do cardio 7 days a week, but whether it's advisable depends on your fitness level, goals, and how you structure your workouts. Here are some considerations: Fitness Level: Beginners may need more rest days to allow their bodies to adapt, while more experienced athletes might handle daily cardio better.

How much cardio kills gains?

In fact, newer studies have shown quite the opposite could be true: cardio doesn't inhibit muscle gain and may even help it. “In recent years, the body of research evidence indicates that doing concurrent training does not interfere with hypertrophy following resistance training,” Rosenkranz says.

How To STOP Cardio From Killing Your Gains (3 WORST Mistakes You’re Making)

Does cardio burn belly fat?

To burn off visceral fat, your first step is to include at least 30 minutes of aerobic exercise or cardio into your daily routine. Studies show that aerobic exercises for belly fat help reduce belly fat and liver fat. Some great cardio of aerobic exercises for belly fat include: Walking, especially at a quick pace.

What cardio won't cause muscle loss?

"Utilizing sprints is basically a 'cardio' workout that can help preserve muscle mass," Holder says. Look at elite sprinters—they're jacked for a reason.

Will 2 weeks off gym muscle loss?

Remember, if you're not injured or bedridden, try to get back to resistance training when you can. You've got about 2-3 weeks before you lose a significant amount of muscle mass and strength. If you are injured, incorporating light resistance exercises can help to maintain muscle function and metabolic health.

Does cardio reduce face fat?

By consistently doing cardio, you create a calorie deficit that promotes fat burning, including the fat stored in the face. To include cardio in your routine, aim for at least 30 minutes of moderate-intensity cardio exercises, 5 days a week.

How many rest days to build muscle?

Experts recommend 2 to 3 rest days between strength-training workouts like lifting weights. So you can plan resistance workouts that target different muscle groups. For example, you might do upper-body exercises on Monday and lower-body exercises on Tuesday. On Wednesday, you could do a cardio workout.

What type of cardio is best for fat loss?

Some of the most popular gym cardio exercises include:
  • Running on the treadmill. A 30-minute session on a treadmill at 6 mph (a 10-minute mile pace) can burn approximately 350 calories.
  • Cycling on a stationary or exercise bike. ...
  • Using the rowing machine. ...
  • Working out on the elliptical.

Can I do cardio 5 days in a row?

According to Gam, you can—and should—do light cardio, like walking, every day; however, engaging in moderate-to-high intensity cardio seven days a week is not advised. “I would recommend everyone, even the fittest athletes, be taking at least one rest day per week for recovery,” says Gam.

Is cardio actually bad for fat loss?

Relying on cardio to burn calories is the biggest mistake people make when trying to lose fat, trainer Ben Carpenter told Insider. It can ramp up your appetite, which can lead to more eating, he said. Cardio is important for health, but eating in a calorie deficit is most important for fat loss.

What burns the most belly fat?

Aerobic exercise includes any activity that raises your heart rate such as walking, dancing, running or swimming. This can also include doing housework, gardening and playing with your children. Other types of exercise such as strength training, Pilates and yoga can also help you lose belly fat.

Is cardio bad for building muscle?

Clarke goes on to point out that “While it's true that cardio training will not promote the same gains as resistance training, it doesn't negatively affect muscle growth. In fact, cardio may help, particularly in those prone to muscle loss like older adults”.

Will I lose muscle if I do cardio after weights?

A study found that doing cardio and strength training in the same workout didn't impair muscle growth or strength. So the benefits of separating cardio and weight lifting depends on your goals. You might want to consider separate sessions if you have sports-specific training goals.

Can you overdo cardio?

When you overdo it on cardio, your body can also start to use its lean muscle as fuel, which decreases overall strength and muscle mass. Meaning you could be losing muscle in addition to body fat.

Should I do cardio or weights first?

If you are training for a 5K or a marathon, you will want to do cardiovascular training first for maximum performance. If you want to increase your muscle strength, do strength training first when your muscles are not fatigued from cardio.

Can I do cardio on rest days?

Rest days are a perfect opportunity for LISS cardio, or low-intensity steady-state cardio. This is a form of cardio where you maintain the same low-intensity pace for a set period of time. Typically it calls for a minimum of 30 minutes, but when it comes to doing it on rest days, 20-30 minutes is a perfect goal.

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