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

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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.

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What are the various endurance tests for cardiorespiratory fitness?

Your cardiorespiratory fitness can be measured through some tests.

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The Treadmill Stress Test
The Treadmill Stress Test
is when a patient is hooked on to electrodes to measure his heart function while doing an exercise. Image courtesy: Freepik

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:

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  • 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.

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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.

Woman in the gym
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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“Give This One a Shot”: Jay Cutler Names a Versatile Exercise to Grow Your Triceps

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“Give This One a Shot”: Jay Cutler Names a Versatile Exercise to Grow Your Triceps

Bodybuilding legend with four Mr. Olympia titles, Jay Cutler, continues to impart his wisdom on effective workout techniques. Recently, Cutler highlighted a powerful exercise aimed at boosting triceps development: the skull crusher, also known as the French press.

In an Instagram video post, Cutler encouraged his followers to integrate this exercise into their arm workouts, emphasizing its potential to enhance triceps size and strength. “If you’re hitting arms today, make sure to give this one a shot to really help get those triceps growing!” he said.

In his instructional video, Cutler highlighted that the skull crusher can be done with variations using different equipment such as straight bars, cambered bars, dumbbells, and cables. He explained how the focus was on extending the triceps, describing it as essential to incorporate stretching movements into triceps training routines.

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“I can do this with either a straight bar, cambered bar, dumbbells, or cables,” Cutler said, explaining how there were different ways one could engage in the skull crusher. During his demonstration, Cutler remarked, “This is my first set, and I’m gonna use a cambered bar.”

Cutler used 80 pounds during his first set, highlighting the challenge and dedication required to achieve optimal results in triceps development. Cutler’s advice is not only for gym-goers but also for beginners looking to refine their arm workouts. His emphasis on proper technique and equipment variety is a valuable guide for anyone striving to enhance their fitness journey.

As he discussed the versatility of the skull crusher, the 50-year-old also talked about the Smith machine.

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Jay Cutler sheds light on the Smith machine’s benefits

Earlier, Cutler praised the Smith machine as a valuable addition to one’s workout routine. “Don’t be afraid to work some Smith machine exercises into your routines to switch things up a little bit!” he wrote, highlighting the Smith machine’s versatility compared to free weights or other equipment where movement is more unrestricted.

According to Cutler, the Smith machine offers a controlled path for exercises, like squats, bench presses, shoulder presses, and upright rows, providing precision and safety. This guided motion is beneficial for beginners and those recovering from injuries, minimizing the risk of improper form.

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Additionally, each Smith machine may vary slightly in design, offering options like horizontal or inclined movement. This diversity allows for customized workouts that cater to individual goals. Cutler also prefers using dumbbells over heavy bench presses but recommends the Smith Machine Press for targeted muscle work on chest days. It focuses on shoulders, triceps, and chest muscles, with adjustable angles for better pec activation and reduced stability demands compared to a free bar, as per the Comeback Kid.

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So, the next time you hit the gym, try incorporating skull crushers for the triceps. On top of that, you could also use the Smith machine for additional gains and target multiple muscles in one exercise.

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Fitness

How to exercise when you suffer from hay fever

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How to exercise when you suffer from hay fever

It’s nature’s cruel joke: from May to July, just when we’re eager to exercise outside, grass pollen counts peak, making exercise sneezy, wheezy work for the one in four adults who experience hay fever.

It might be tempting to lock yourself in a gym or medicate yourself up to the eyeballs, but there are other options. In fact, taking meds might interfere with your workout: a 2021 study found that antihistamines slashed the exercise-induced increase in blood flow to muscles by 35 per cent, which impacted performance and recovery.

No wonder a study by Allergy UK found that 49 per cent of people with hay fever spend less time outside because of their symptoms — causing about a third of them to gain weight.

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“Superior for Hypertrophy”: Exercise Scientist Explains How to Go Beyond Failure During Training

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“Superior for Hypertrophy”: Exercise Scientist Explains How to Go Beyond Failure During Training

The pursuit of hypertrophy often involves pushing boundaries. Dr. Mike Israetel, a renowned exercise scientist, recently shared his insights on legendary bodybuilder Dorian Yates’ beyond-failure training approach. Dr. Israetel’s analysis is part of his series on the Renaissance Periodization YouTube channel, where he critiques the famous workout routines of celebrities and bodybuilders.

When discussing failure in training, it’s essential to differentiate between two types: absolute failure and technical failure. Absolute failure occurs when you cannot complete another repetition, no matter how hard you try. On the other hand, technical failure is when you can’t perform another rep with proper form. While sacrificing form can allow for a few more reps, it’s not always advisable. And the six-time Mr. Olympia Dorian Yates strongly advocated embracing absolute failure in training.

In a video titled “Exercise Scientist Critiques Dorian Yates’ HIGH-INTENSITY Training,” Dr. Israetel explained the nuances of Yates’ method. Those who employ volume training or a blend of intensity and volume typically cease at the technical failure to facilitate more sets. In contrast, the bodybuilding legends, Yates and Mike Mentzer favored absolute failure, aiming to exhaust their muscles within one or two sets thoroughly.

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Dr. Israetel highlighted an advanced technique to go beyond failure, which Dorian Yates could have benefitted from. He suggested integrating lengthened partials: “Instead of having someone help you lock that full range out when you can no longer lock it out, go as much as you can. When you can barely move at all, then the set is over. Super failure integrated with lengthened partials… those to be superior for hypertrophy.”

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Dr. Israetel emphasized that these methods are particularly beneficial for those who struggle to train intensely and feel the muscles working. “If you’re small and have trouble really training super hard, you’ve got to go to town on this kind of thing. It’s big,” advised the fitness expert. Moreover, Dr. Mike didn’t just critique; he also offered practical advice. He recommended an alternative to the incline curl that Dorian Yates would often do for his biceps.

Dr. Mike Israetel’s practical tip for gym-goers

While showcasing Yate’s incline curl, Dr. Mike recommended a simple exercise for you to do at home: Take an incline bench and adjust it to make it flat. Lie down on the flat bench and perform curls with dumbbells. Lower the dumbbells until they touch the ground, then lift them back up. “You get even more tension applied at the stretch, which will grow your biceps maybe even a little bit better than the incline curl,” he shared while demonstrating.

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Furthermore, Dr. Israetel acknowledged Dorian Yates’ legendary status in bodybuilding. After examining Yates’ methods and his unique one-arm-at-a-time approach after failure, he was surprised and kind of liked his approach. According to his routine rating procedure, he gave the English bodybuilder “a legend out of 10.”

Dr. Israetel’s insights offer valuable perspectives for those seeking to push their limits in hypertrophy training. By understanding, the difference between absolute and technical failure and incorporating advanced techniques like lengthened partials, aspiring bodybuilders can optimize their muscle growth. Let us know what you think about his opinion.

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