Fitness

Want to increase your stamina? Work on your cardiorespiratory fitness and endurance!

Published

2 years ago

May 24, 2024

Want to increase your stamina? Work on your cardiorespiratory fitness and endurance!

Cardiorespiratory fitness refers to how well your body does while performing a physical task. A healthy diet, weight control and interval training are great ways to improve this.

An increase in stamina, low chances of heart disease and control over high blood pressure are all benefits of cardiorespiratory fitness. Cardiorespiratory fitness, also known as cardiorespiratory endurance, cardiovascular fitness, and cardiovascular endurance, improves oxygen levels in the lungs and heart when we are doing anything that involves physical exertion.

Cardiorespiratory fitness refers to how well your body can perform when you are exercising. If your cardiorespiratory fitness is on point, you can endure long, physical exercise without getting tired. Read on to learn more about cardiorespiratory fitness, the exercises that can help you improve it, as well as the risks involved.

What is cardiorespiratory fitness?

Cardiorespiratory fitness (CRF) refers to the ability of the cardiovascular and respiratory systems to deliver oxygen during prolonged physical activities. “It is an important sign for overall health and heart function,” explains cardiologist Dr Chirag D.

According to research published in Nutrition in the Prevention and Treatment of Abdominal Obesity, cardiorespiratory fitness can be determined by gender, age and genetics, as well as, the relationship between your health and physical activity. Strong CRF allows you to perform daily activities with more ease, reducing fatigue during tasks like climbing stairs or carrying groceries. It also helps you recover faster from exercise, allowing you to get back to your workout routine sooner.

What are the various endurance tests for cardiorespiratory fitness?

Your cardiorespiratory fitness can be measured through some tests.

1. VO2 Max Test

This test measures the maximal uptake of oxygen in a high-intensity exercise. In this exercise, you get on a treadmill or a bike and increase your intensity every few minutes, until you are exhausted. This method is touted to be the most accurate one, states this research, published by the University of Virginia.

2. 6-Minute Walk Test

This test evaluates sub-maximally distance covered within six minutes. This test is low risk and is useful in assessing adults who have love cardiorespiratory fitness, states this study, published in Pulmonology.

3. Treadmill Stress Test

This test monitors heart rate during increasing intensity levels on a treadmill. This test is usually done in a lab, where electrodes are put on the patient’s chest, and these are then connected to an ECG machine. This makes a record of all heart activity, including blood pressure and heart rate, states this study, published by the National Institute of Health.

What are the causes of low cardiorespiratory fitness?

Various causes are associated with low respiratory fitness levels. Some of these are as follows:

Sedentary lifestyle: No regular exercise and sedentary desk jobs can lead to cardiorespiratory fitness levels dropping. No exercise often leads to fatty material in your arteries. This can cause serious problems, including a heart attack. Exercise is beneficial for cardiovascular health, states this study, published in Frontiers in Cardiovascular Medicine.
Chronic diseases: Illnesses like heart attack, diabetic condition, and lung problems can also lead to a drop in cardiorespiratory fitness. This disease can also cause pain and fatigue.
Obesity: The burden of excessive body weight on the heart and lungs can lower cardiorespiratory fitness levels. It may also lead to cardiovascular diseases and needs to be worked on at once, reports a study, published in the Journal of Obesity.
Aging: Gradual deterioration of body strength and muscle mass over time. A study, published in the Archives of Internal Medicine, states that cardiorespiratory fitness levels decrease with age.

How can you improve your cardiorespiratory fitness?

There are various ways to work on your cardiorespiratory fitness levels. Here are a few ideas that you can try out.

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1. Regular aerobic exercise

Regular exercise such as walking, running, and cycling improves the performance of both the heart and lungs. A study, published in Research Quarterly for Exercise and Sport, states that adults should do 150 minutes of moderate-intensity or 60 minutes of vigorous-intensity physical activity per week, as recommended by the American College of Sports Medicine (ACSM) and the American Heart Association (AHA).

2. Interval training

Endurance can be enhanced through fluctuating intensities between highs and lows. High-intensity interval training is a form of exercise where you have short periods of intense and explosive movements, followed by low-intensity exercise or even rest. This helps control obesity and increase cardiorespiratory fitness levels, states this study, published in Frontiers in Public Health.

3. Healthy diet

Nutrient-rich foods support overall physical health and energy levels. A study, published in Nutrients, observed the impact of a healthy diet on a group of Korean adults from 19-64 years. The VO2 Max test was used to determine the cardiorespiratory fitness levels. It was seen that adults, in the age group of 19-34 years, reported high CRF levels.

4. Consistency

Regular, sustained effort is crucial for long-term improvements. Make sure that you continue to do the above-mentioned things regularly to see a change.

Cardiorespiratory fitness can be improved by regular exercise. Image courtesy: Freepik

Cardiorespiratory activities

You can try some cardio-respiratory activities that help elevate your breathing and heart rate for an extended period of time, suggests fitness expert and Fit India Ambassador Wanitha Ashok.

Brisk walking
Running
Jogging
Cycling
Swimming
Aerobics
Dance
Zumba
Jumping rope
Stair climbing
Treadmill
Stationary cycling
Cross trainer
Circuit training
High-intensity interval training (HIIT)
Kickboxing

What to keep in mind while doing CRF exercises?

Make sure to keep these things in mind when you practice cardiorespiratory fitness:

One should start slow and gradually build the workout in terms of duration and intensity.
You should not push yourself and listen to your body.
Hydration before, during and after the cardio respiratory exercises is advised to replace the list water in the form of sweat and to prevent giddiness and nausea.
It’s not advisable to do cardio respiratory exercises in the hot Sun, the best time to workout is early morning or evenings. In cold temperatures it’s advisable to be dressed in layers.

What are the risk factors related to cardiorespiratory fitness?

Low cardiorespiratory fitness, linked to an inactive lifestyle, weakens your body’s ability to use oxygen during exercise. Age, genetics, and certain medical conditions can also contribute. Additionally, high lipid values, high blood pressure, higher heart rates, higher waist circumference and higher body fat percentages can affect cardiorespiratory fitness levels, states this study, published in Scientific Reports.

Regular physical activity is key to improving your CRF. Even small increases in activity can significantly benefit your heart, lungs, and overall health.

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Fitness

Study finds 5 more minutes of exercise could reduce your risk of death by 10%

Published

35 minutes ago

March 6, 2026

Press Room

Study finds 5 more minutes of exercise could reduce your risk of death by 10%

The universal quest for immortality continues, and new research has hinted at a small lifestyle change that could reduce overall death rates in countries if we start taking our movement more seriously.

Conducted by a global research team, the study named ‘Deaths potentially averted by small changes in physical activity and sedentary time: an individual participant data meta-analysis of prospective cohort studies’ was published in The Lancet and suggested that adding five more minutes of physical exercise a day to your life could reduce death rates by 6 per cent.

Conducted on cohorts wearing on-person devices from Norway, Sweden and the USA, scientists analysed activity and sedentary levels to deduce what was causing higher death rates and found that a little change could go a long way.

With the help of the study’s author and additional experts from the field, we delved into the details and uncovered exactly what we need to do to make sure we are maximising our health before it’s too late.

A little change makes all the difference

We already know that we should all be getting out and exercising to ensure everything in our bodies is running smoothly, but just how important is that daily movement and could it be contributing to national mortality rates?

Professor Ulf Ekelund works in the Physical Activity and Health department at the Norwegian School of Sport Sciences and was one of the authors of the study. He broke down the data for HELLO!.

The professor explained: “We estimated the number of deaths potentially prevented by five and ten-minute increases in moderate intensity physical activity if all individuals in the population adhered to this increase.

“We analysed the data using two different approaches:

‘High-risk approach’ comprising the least active 20 per cent of the population
‘Population approach’ comprising 80 per cent of the population (excluding the most active 20 per cent).

He continued: “We found that six per cent and ten per cent of all deaths might be prevented in the two different scenarios, respectively, if all individuals made these changes.

“If an individual is completely inactive, every little move counts. For example, the least active 20 per cent in our study sample were only active for an average of about two minutes per day of moderate intensity. If all these individuals increased their activity by five minutes per day, it might reduce the number of deaths by six per cent annually.”

Dr Darren Player, a professor in Musculoskeletal Bioengineering at University College London, who was not involved in the study, shared his interpretation of the data with us and added: “The key finding was that an increase in Moderate-to-Vigorous Physical Activity (MVPA) by only five minutes per day for the least active individuals prevented 6 per cent of all deaths. This effect could extend to as much as 10 per cent in all individuals, except for those who are already very active.”

Adding five minutes of exercise on to your day could have massive results

Exercise versus moderate intensity

In terms of how to achieve the correct level of activity and movement, we have to understand the difference between physical activity and moderately intense movement. They are different and will yield different results.

Professor Ulf explained: “There is a clear distinction between moderate intensity activity and exercise. Brisk walking is an excellent type of moderate intensity, whereas exercise is defined as something people do with the purpose to enhance fitness and/or health. It is structured and repetitive. Exercise is only a small proportion of all the physical activity people do.

“Physical activity [PA] is any bodily movement that increases energy expenditure above resting levels. It can be conducted with different intensities from very low to very strenuous. Exercise is a subset of PA which is planned, structured and done with a specific purpose.”

Woman and her dog running towards the sunset on a country road — It matters what kind of exercise you do, so we need to understand the difference between physical exercise and intense movement

Could any of this add years onto our lives?

While this study was specifically about reducing death rates through exercise and movement, it made us wonder how it would affect the number of years we could all expect to live. Would incorporating an extra five minutes of movement add any time to the general life expectancy?

Dr Darren referred to data from the UK Biobank to share his estimations. He said: “This is quite a difficult question to answer, but there is some evidence. The following paper suggests that there could be an increase in life expectancy of 0.9 years for inactive women and up to 1.4 years for inactive men.

“The increases are dependent on the nature of physical activity, with higher intensity and greater volume (total amount of exercise) being the key factors. This is a large UK Biobank study, which does have some strengths for the analyses.”

He continued: “However, the factors that contribute to life expectancy and mortality are complex and varied, with further studies required to understand the picture fully. Particularly, the effect of resistance training combined with other forms of physical activity is likely to have a greater effect than one type of activity alone. Further research is required in this area to provide suitable evidence.”

What type of exercises can I do during my five extra minutes a day?

According to the NHS, there are a variety of movements that you can incorporate into your routine to make sure you are hitting the target of five extra minutes of exercise per day to increase your longevity.

These range from simple activities like making a cup of tea to pushing a lawnmower and dancing around your living room for fitness, depending on the intensity you are able for. While the study suggested five minutes of moderate intensity exercise, the health service broke down its recommendations into sections based on vigour:

Light activity:

Getting up to make a cup of tea
Moving around your home
Walking at a slow pace
Cleaning and dusting
Vacuuming

Moderate activity:

Walking for health
Water aerobics
Riding a bike
Dance for fitness
Pushing a lawnmower
Hiking

Intense activity:

Running
Swimming
Football
Hiking uphill
Martial arts

It also suggested some easy-to-do strength exercises that involve using a kitchen chair or filled bottles of water as props:

Sit-to-stand
Mini squats
Calf raises
Standing sideways leg lift
Standing leg extension
Wall press-up
Bicep curls

Fitness

Fitness Class Volume Tied to Exercise Intensity Perception

Published

13 hours ago

March 5, 2026

Press Room

Fitness Class Volume Tied to Exercise Intensity Perception

About The Study: In this comparative effectiveness study, reducing music volume in group fitness classes did not lead to meaningful reductions in perceived exertion and may reduce the risk of noise-induced hearing loss. These findings support implementing safer sound practices in fitness environments and underscore the need for increased awareness and education on hearing protection.

/Public Release. This material from the originating organization/author(s) might be of the point-in-time nature, and edited for clarity, style and length. Mirage.News does not take institutional positions or sides, and all views, positions, and conclusions expressed herein are solely those of the author(s).View in full here.

Fitness

Reward yourself by exercising regularly at One to One Fitness | CWRU Newsroom | Case Western Reserve University

Published

1 day ago

March 5, 2026

Press Room

Reward yourself by exercising regularly at One to One Fitness | CWRU Newsroom | Case Western Reserve University

Now is the time to recommit to your health in time to feel your best for all your summer activities! One to One Fitness Center offers several ways to save in March.

Members of the Case Western Reserve University community can take advantage of sign-up specials designed to reward themselves for creating healthy habits.

Individuals can get 50% off the initiation fee (regularly $50 plus tax) and earn back what they do pay by exercising eight or more days in both April and May. Learn more online about this deal on initiation fees.

Students also can get additional savings:

Graduate students who are enrolled for the spring semester receive summer membership free.
With Spartan Shape Up memberships, affiliate students pay just $40 per month for membership from now through May, and no initiation fee or security deposit is required.
Students also can pay $44 plus tax per month with a month-to-month, ongoing plan. No initiation fee or security deposit required.

One to One Fitness Center, owned and operated by CWRU, is known for offering personal, professional, friendly and clean services. Memberships include full access to the 28,000-square-foot fitness center, group exercise classes, validated parking in Lot 53, towel and locker service, and member discounts on programs and services.

Members also can add their spouse or partner to their account for $30 plus tax per month. The center also offers personal training, Pilates Reformer, massage therapy and sound bath therapy, swim lessons, and more.

Visit the One to One Fitness Center website, email onetoone@case.edu or call 216.368.1121 for more information.