These are five clear signs that you are doing too much cardio: 1. So if you’re 20 years old, this would be 200 beats per minute. To avoid accelerating muscle loss, be mindful of doing too much cardio. How much HIIT is too much? You’re putting your body under more stress and your body is adapting to this new training. This can be a frustrating side effect of doing too much cardio exercise. Putting your body through too much cardio training during a time when you’re dealing with other stressors (e.g., at work or in relationships) might do more harm than good. Not to keep you too long. These are all important benefits to consider, but often the lines are blurred when it comes to understanding how much cardio is too much. According to a study by the Mayo Clinic, training for these events can cause an enlarged heart and affect the right ventricle. It delivers both physical and mental rewards that’ll leave you feeling good and energized from the inside out. The question is, how much cardio is too much cardio? Putting your body through too much cardio training during a time when you’re dealing with other stressors (e.g., at work or in relationships) might do more harm than good. If you prefer longer runs, then working on your slow twitch muscle fibers will be better beneficial instead. Who says that you need to replace exercise with more exercise? You can lose fat and reach an extremely low body fat percentage without doing one day of cardio. Experiencing muscle soreness from time to time is normal, especially if you are diversifying the intensity of your training or introducing new exercises. These workouts combine the best of strength and endurance workouts in one session, which can often be under 30 minutes. Doing cardio for 60 minutes or more per day is too much to be called a great workout routine. Cardio exercises are so beneficial and can give you more energy, help you lose weight, and can decrease your risk for many illnesses. Good question! On average, a moderate-intensity cardio exercise of two to two-and-a-half hours per week is more than enough for most people. Those who train in Muay Thai or boxing, for example, need to have great cardiovascular endurance to increase their stamina in the ring. You may be spending over an hour a day doing cardio, but your body may seem like merely a smaller version of what it was before. Taking a rest now and again or varying routine can correct this strain. Hitting this limit will unfortunately start to have the opposite effect and impact you negatively instead of positively. Reduce the amount of cardio you’re doing and see whether it’s made a difference to your sleep. For all the benefits that come along with endurance training, there is a downside of going too far. For example, if you’re trying to gain muscle, doing a ton of aerobic exercise cuts into your ability to add mass, because your body will be too busy recovering from the cardio to dedicate resources for building muscle. Generally speaking, there are three categories of cardio that are each appropriate in different situations: Low Intensity. Excessive exercise can have the same negative effect on the heart as a sedentary lifestyle. There Can Be Too Much Cardio. It can be a great state to be in but the more you exercise, the longer you’re in this excited state which then becomes not-so-great if you’re trying to sleep. This is the part of the brain that’s responsible for memory and learning, so if you find that you have more brain power after a session, you can thank cardio for that! During rest periods, our body repairs itself, and muscle tissue rebuilds itself to become stronger than it was before. This is particularly true of high impact exercises such as jogging, squash, or aerobics.