The message to the general population is to maintain fitness in old age would have important implications and preserve life and function (muscle).

The expert said the study, published in BMJ, also suggests that a test of walking speed can know better the health status of older patients.

Previous studies have associated the slow gait with an increased risk of death in a given period, as well as to falls and other adverse health consequences, but none had shown the highest risk if the concentrated heart disease or other cause .

The investigation of five-year, part of the trial of Inserm called Three City Study, included more than 3,200 men and women with relatively good physical fitness, between 65 and 85 years who resided in three cities in France.

At baseline in 1999, the team used questionnaires and interviews in person to evaluate the health of each participant. Then, clocked the speed of each participant to walk as fast as possible without running, in a corridor.

In five years, 209 participants died (mostly from cancer, followed by heart disease and infectious diseases course and other causes), the mortality rate was 7 percent.

In the third who had walked more slowly (5.4 km/h or less for men and 4.8 km/h for women), the mortality rate was 44 percent higher than the two thirds of participants who had walked faster.

Mortality from myocardial infarction, cerebrovascular accident (CVA) and associated causes was 2.9 times more common in the slowest third of participants than among the fastest two thirds.

The increase in mortality from heart disease was seen in men and women was not associated with age or physical activity of participants.

There was no relationship between walking speed and other causes of death, including cancer.

What, then, what explains the relationship between walking and slow death from heart disease?

One possibility, is that the same risk factors that increase the risk of developing the disease, like high blood pressure and diabetes, also produce “silent stroke”, which prevent walking fast. That idea “deserves further studies to confirm it.

In a related editorial, Drs H. Rowan Harwood, Queen’s Medical Center in Nottingham, England, and Simon P. Conroy, University of Leicester, also in England, wrote that the loss of walking speed problems may appear in different organ systems, from the bones, muscles and lungs to the brain.

Some of these systems are linked through vascular disorders and smoking.

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Benefits of exercise in children with asthma:

• Improved child development
• Improved physical fitness and exercise tolerance itself
• The attacks caused by stress are reduced or are less strong
• The crisis is best handled
• Helps reduce the nervousness caused by the attacks.

But keep in mind that at least 80% of children with asthma may have a bronchoconstriction with sports, unless appropriate measures are taken). However, given the benefit of sport psycho and integrator, is a great error overprotect the asthmatic child and prevent a normal level of exercise.

When we begin a physical activity for the first time we all get tired, feel fatigue and breathlessness. In the asthmatic child who has done sports before, these feelings are even stronger. Therefore, the adaptation of the child with asthma sports activity should be very gradual, so that eventually learn to distinguish between normal breathlessness by intense exercise and breathlessness by an asthma attack.

Asthma and Sport

Except for diving with air bottles, a child with asthma can play sports. But there are a number of sports less likely to trigger asthma than others.

The free running, which is the basis of the running, athletics, and sports like football or basketball, is the activity which can produce bronchospasm. As there is usually a refractory period of 2 to 4 hours’ duration in the exercise-induced asthma during which no bronchospasm occurs again, however much they continue to exercise, so running causes an intense and continuous more bronchospasm that perform the exercise intermittently.

Activities that cause exercise-induced asthma

In order of severity are:

1. Free Race
2. Career treadmill
3. Cycling
4. Swimming

In addition, sports like swimming in warm pool (hot and humid air), gymnastics, walking, golf, hiking and biking on level ground are much less likely to trigger asthma. The tennis and ball games, but require much free running, usually take the form of intermittent heavy exertion, so are also good, like the martial arts (judo, karate, taekwondo), fencing, etc..

The deep diving with compressed air cylinders is not an activity recommended by the pressure changes involved, and unable to cope with an asthma attack at a certain depth: In the midst of a crisis of dyspnea, it may be very difficult to carry out maneuvers required for decompression to the surface without risk of barotrauma.

The mountain sports in asthmatics (mountaineering, alpine skiing and background, etc.) only have the problem of breathing cold, dry air, which can be minimized by the use of masks or helmets.

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