Changes in the human body under the influence of physical activity
Training of fitness of a person and his body:
The beauty and power of a trained body has always attracted painters and sculptors. This was apparent already in rock cave paintings of our ancestors who have attained perfection in the frescoes of ancient Greece, the sculptures of Michelangelo. At the same time is not always the fitness
of the person is accompanied by an increase stamina and records in professional sport, the body often paid a high price.
The fitness of the human body is the ability to perform heavy physical exertion is usually observed in people whose lifestyle or profession are associated with Continue reading
Running came into your life and you now know what benefits are sports. But sooner or later, want something new,for example, run at your usual time the distance is longer. And we say to ourselves I want to run faster. And before us there is the question of what needs to be done to improve speed endurance?
First, an extending step we do not increase your speed. Instead of running will be jumping. The value of the running step depends on the force pushing. And don’t forget about stretching during the warm-up. There are
times when it is not possible to run fast due to insufficient stretching of the flexors and extensors of the legs.
Exercise for stretching. Put your feet on width of your step, the right leg in front, another behind. Stop right looking right, left foot turned at a 90 degree angle in the direction of movement. The knee of your right leg bent. You need to embrace right thigh with your hands and pull the body to the right leg. At this time, we begin to slowly move to the left supporting leg bent Continue reading
During the life of the body, whether it’s metabolic processes, muscle activity, etc. going on the energy consumption. ATP (adenosine triphosphate) is degraded to ADP (adenosine diphosphate), releasing energy that is used in all life processes.
ATP ADP + energy
The ATP content in muscle minor. During intense muscle activity, the ATP consumed in the 2C. However, within the muscles, there are several support systems that continuously regenerate ADP to ATP.
There are three main systems of resynthesis of ATP: phosphate, lactate and oxygen.
KrF + ADP → ATP + creatine
— creatine (ECOP), which reserves in the muscles are limited to 6-8 with intensive work.
At maximum load the phosphate system Continue reading