Posts Tagged ‘workout’

If You Don’t Sweat During Exercise, Is It A Waste Of Time?

Thursday, April 15th, 2010

 

You always hear the old adage, “lets go exercise and work up a good sweat” like sweating is a sign that you’ve had a good, productive workout. But what if you exercise and you don’t really sweat during the workout? Was that workout a lost cause? Does it mean you just didn’t exercise long or hard enough for it to be a productive workout?

Well let’s examine the facts here and dispel the ever popular myth about just why you sweat and it’s relation to exercise.

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Your body is like an engine that never stops running and like all engines, it produces heat. The more your muscles contract, the more heat is produced. If the body didn’t have ways of keeping you cool, you would overheat and collapse within 20 minutes.

 

The first method is radiation where heat radiates out of the skin if the air around you is cooler than your body. The second method is conduction which is the transfer of heat by direct contact such as swimming in a pool of cold water where the water absorbs your body heat. The third method is convection where moving air cools us down like when you stand in front of a fan or when the wind blows. The last method is evaporation where water from our blood absorbs the heat and rises to the surface of the skin through the sweat glands so it can evaporate creating a cooling effect.

 

In colder conditions, you will not need to sweat as much due to the body using radiation to keep cool. In hotter conditions, sweating is the primary method of keeping cool due to the air being hotter than your body but if there is humidity present, sweat cannot evaporate as well and that’s why you will see sweat dripping off you. Since in these conditions sweat doesn’t evaporate, radiation and convection (remember the moving air?) are used by your body to keep cool.

 

Everyone has a different sweating pattern. Gender, age, fitness level and environment contribute to how much you sweat. Women seem to sweat less and start to sweat at higher temperatures than men. People tend to sweat less as they grow old and thus cannot take the heat as well as a younger person but declining fitness levels may have something to do with that. In laboratory experiments where both young and old people were of similar fitness levels, there was no notable difference in their sweating process.

 

If you exercise in an air-conditioned room or outside when it’s a cooler time of year, you will not sweat as much because the cold air evaporates your sweat faster and also sets your body up to use more of the radiation method meaning your body can deal with the heat created by exercise more easily. It does not mean you are not burning as many calories because the intensity and length of time of your exercise is what determines caloric burn, not how much you sweat. You are sweating all the time but you just can’t see it because it is always evaporating.

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If it were true that the more you sweat, the more calories you burn during exercise then it would also be true that you would be burning more calories simply sitting in a hot, humid room so as to build up a sweat but this is obviously not the case as the sweat you would be seeing is due only to the conditions of the room not allowing for evaporation for cooling the body.

 

Exercise produces heat, heat produces calorie expenditure, and you produce the same amount of heat whether exercising in a cold environment or a hot one so just because you don’t sweat as much in the colder environment does not mean your exercise session was less productive.

 

Keeping Fit During Your Pregnancy Days

Thursday, April 1st, 2010

Many women look for a fat loss solution and when they find out that they are pregnant this becomes even more important. When you are pregnant you have to get fit and stay healthy. This will not only help you when you are in labor but it will be healthy for the baby too as he or she will get more oxygen and a better blood flow.

You know what that means don’t you? If you don’t, it means that if you have an event that you need to go to in the morning, you are out of luck, but if you were to plan ahead, and you have an event that you want to look good for in a few months, then you will be able to achieve your goal weight. If you are pregnant, you should know that you should find the perfect pregnancy workout.

There is nothing wrong with putting on weight while you are pregnant; in fact, it is something that will happen, whatever you do, even if you do workout. Gaining weight is one of those things in pregnancy.

You should not work out too much in your pregnancy, but this does not mean that you should not work out at all. Now obviously, you should know that running or jogging is out of the question, especially if you are in the 7 months of pregnancy, it will only be a little uncomfortable. This is why you should find other great ways to keep fit and your body moving. Slight movements are the perfect solution to keeping in shape; you will find that all you need to build muscle and maintain your body is a little slight movement every now and again.

This is why you will find so many pregnant women recommending that you do Yoga or Pilates. This is all you need to keep that extra fat off of your body. If you want to go for a run or jog, stop yourself right there. It would be better for you and the baby if you rather went for a walk. Take the dogs out or go for a walk with a dear friend or even your hubby if he is not working too much.

If you want to get your body back after your pregnancy, you will find that you will still not be able to work out, because you will still be in pain, and it will only rip out your stitches if you have any.

One other thing that you may want to remember is that, if you want to get your stomach back, you need to wrap your tummy with a post pregnancy wrap, in order to put everything back where it was before, and tighten up that midsection again.


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