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Doctor insights on: What Is The Primary Fuel Used During Endurance Exercise

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Is athletes heart causing my palpitations during exercise? Resting hr 50 ,clear echo and 24hr holter. I do lots of endurance training.

Is athletes heart causing my palpitations during exercise? Resting hr 50 ,clear echo and 24hr holter. I do lots of endurance training.

Pvcs, : Endurance runners can have skipped beats and irregular heart beat such as atrial Fibrilation during or at the end of an exercise bout . They do not usually have any clinical significance except if the runner has a lot of symptoms or interfere with overall performance. ...Read more

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Dr. Heidi Fowler
5,113 doctors shared insights

Exercise Or Physical Activity (Definition)

Exercise is a physical activity that is completed to maintain or improve health. Benefits of exercise include weight maintenance, improving mood, increasing energy, preventing or controlling chronic diseases, promoting better sleeping, and improving sex life and libido. ...Read more


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What sort of exercise can I do for sex endurances?

What sort of exercise can I do for sex endurances?

Anything aerobic!: Sexual activity, like any aerobic activity, requires good cardiovascular conditioning (the ability of your heart and circulatory system to deliver an increased supply of oxygen-rich blood to your muscles). Any exercise that increases your heart rate, makes you breathe harder and break a sweat, will improve your endurance. ...Read more

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Is endurance exercise better for mental cognition than strength exercise?

Is endurance exercise better for mental cognition than strength exercise?

Best=what you'll do!: Yes, endurance/other activity that raises hr is better than simply lifting weights, eg. But the regimen need not be overly strenuous. Even walking has been shown to have beneficial effects on cognitive function of "seniors" (note the numerous articles by art kramer, phd, and colleagues). So it is best to select or continue an activity that is enjoyable and engage in it on a regular basis. ...Read more

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How to increase endurance and stamina through exercise and what type of nutrition would be most suitable and what type of food to avoid for a 18 year?

How to increase endurance and stamina through exercise and what type of nutrition would be most suitable and what type of food to avoid for a 18 year?

Long question: it's hard to give you a good answer in 400 characters - suggest you adopt a regular program of aerobic activity for minimum 20 minutes/day then gradually increase to 1 hr/day. Nutrition has a lot of lore- but abundant fresh fruits and vegetables, minimize sources of animal fat, and lots of fiber in your diet are all good ideas. ...Read more

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Can testosterone boosters increase endurance during sex?

Can testosterone boosters increase endurance during sex?

No, but: There are no testosterone "boosters", no matter what the internet and tv and your friends may tell you. The only way to "boost" your testosterone is through a healthy lieve style, proper nutrition, exercise, and avoidance of toxins like alcohol and tobacco. Save your money, and your health. ...Read more

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Looking to start exercising again.mainly like to tone up and build endurance. What exercises r ideal? havent exercised in 3yrs dont want to overexert

Looking to start exercising again.mainly like to tone up and build endurance. What exercises r ideal?  havent exercised in 3yrs dont want to overexert

Cardio and Strength: Using caution when starting an exercise program is a wise idea. For endurance, try walking briskly, with periods of slower walking if necessary for recovery. For toning, try some bodyweight exercises that build muscle. These include squats, lunges, crunches, and pushups. They can be an excellent workout without any added weight, without the risks of using dumbbells or other weights. ...Read more

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When I exercise, my chest gets really tight. I don't think this is an endurance problem. Could this be a lung problem?

When I exercise, my chest gets really tight. I don't think this is an endurance problem. Could this be a lung problem?

Possibly.: Chest tightness with exercise can be from a number of causes, the most serious being heart or lung problems. If one experiences tightness, an immediate evaluation by your physician is warranted. Exercise should be stopped until this evaluation occurs. ...Read more

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My mcv, mch, and mchc are all below avg. Could this make it difficult for endurance training and rigorous exercise? If so, what can be done to help?

My mcv, mch, and mchc are all below avg. Could this make it difficult for endurance training and rigorous exercise? If so, what can be done to help?

Thal, right?: I see you have mild alpha-thal. This is a non-problem if you're not anemic. Different people have different capacities for endurance training / super-fitness, but as a mature adult, for you the fun is taking part rather than competing with the 18 year olds. Make your body do what it's willing to, and enjoy yourself. ...Read more

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I have diagnosed wenckbach heart block. Is endurance exercise a problem? Can stress make it worse?

I have diagnosed wenckbach heart block. Is endurance exercise a problem? Can stress make it worse?

Wenkebach: Is generally a benign condition provided that is actually what u have. Stress should not make it worse nor cause exercise problems. ...Read more

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Edema of whole body - weight increase of 5-6lbs, following endurance events (4-7 hours of exercise) - resolves spontaneously vasopressin related?

Edema of whole body - weight increase of 5-6lbs, following endurance events (4-7 hours of exercise) - resolves spontaneously vasopressin related?

Body heal thy self: Endurance is a depletion event. The body has injury and attempts to regain balance. It can overcorrect and then return to homeostasis. ...Read more

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What is the difference in the exercise prescription for building muscular endurance vs muscle strength ?

What is the difference in the exercise prescription for building muscular endurance vs muscle strength ?

Str vs Endur: Strength is looking for maximum output over a short period of time. An example of this would be powerlifting. Endurance would be training for long periods of time usually at a reduced rate. This would be a distance runner. Usually it is best to cross train, or train for both as in doing so you can develop both types of muscle fibers, fast twitch (strength) and slow twitch (endurance). ...Read more

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What is the difference between the exercise prescription for building muscular endurance and muscle strength?

What is the difference between the exercise prescription for building muscular endurance and muscle strength?

Training: Endurance training will usually involve doing cardiovascular training such as running, biking, swimming. Muscle strength training usually uses resistance training or weight based exercise. That said you can do resistance training in a cardiovascular way and vice versa. ...Read more

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How is glycogen used during exercise?

How is glycogen used during exercise?

Released: Glycogen is complex carbohydrate storage that is broken down in your body and released as 'simple carbohydrates' when your exersise becomes more intense and longer-lasting(usually more than an hour depending on your aerobic fitness).When glycogen stores are "used up"about the 21st or 22nd mile in a marathon u have"hit the wall"...A most umcomfortable feeling! ...Read more

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What is the primary problem during psychogenic shock?

What is the primary problem during psychogenic shock?

The term: shock, is a precipitous drop in blood pressure; psychogenic shock is brought about by vasodilation and constitutes an emergency, regardless of the reason. ...Read more

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How to gain energy to exercise during menopause?

How to gain energy to exercise during menopause?

Exercise: Believe it or not, not exercising can make you feel tired. Muscles need to move or they start to ache. But the good news is that it doesn't take much activity to help you feel more energized. Have you tried taking a 10-minute walk? How do you feel afterward? If you find that walking makes you fatigued or out of breath, it's time to see your doctor. ...Read more