What Is Course Load?

Amount of exercise is also called "exercise load", which refers to the amount of physical and psychological load and calories consumed by the human body in physical activities, the intensity and duration of exercise performed by the exercise, the accuracy of the movement and the exercise item Characteristics and other factors to determine the amount of exercise.

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Effects of exercise and inactivity

People who exercise heavily usually have a stronger heart, so their heart rate is slower than normal people.

Reasonably arrange exercise load before class

This requires teachers to prepare lessons before class to have textbooks in mind and students in mind. There are teaching materials in mind, that is, when arranging teaching materials, a reasonable mix of teaching materials of different natures, different strengths, and appropriate numbers should be used. Such as high-volume exercise and low-volume exercise are arranged alternately, and then different intensity of different ways of walking, standing long jump, throwing, simple rhythmic dance and more intense running, jumping, climbing and other content combinations. If you have a student in your heart, you should arrange the exercise load according to the student's age, gender, physical development, exercise level, and physical strength. In addition, the burden of other physical activities, as well as climate change, site and sanitation conditions, must be considered.

Adjust exercise load in time

The most commonly used exercise load detection methods in classroom teaching are inquiry and observation. According to research by Swedish physiologists, when students are asked about their self-experience after exercising, students have different heart rates when they answer "tired, very tired, a little tired, okay, very relaxed, very relaxed" There is a very obvious correspondence between them. In this way, we can use the student's answer to determine the situation of students bearing the exercise load. The observation rule is used to more directly and easily know the students 'exercise load. Teachers can observe the students' face, expression, gasping, sweating, reaction speed and other performance to determine the size of the exercise load. For example, when the student is under a small physiological load, his forehead is slightly sweaty and his face is slightly red; when he is under a moderate load, his face is crimson and his face is dripping with sweat; when he is under excessive exercise load, his face is white and his head is large Sweat, uncontrolled movements, etc.

Analysis by measurement

We can also analyze by measuring the pulse of the students (Generally, the pulse index remains below 120 beats per minute for a light exercise load, 140 to 160 beats for a moderate exercise load, and 170 to 180 beats for a larger exercise load. ) To determine whether the exercise load is appropriate. You can make reasonable adjustments to exercise load by changing the content of exercises, the number of repetitions, extending or shortening the practice time, the interval between exercises, the sequence and combination of exercises, and changing the organization and teaching methods of the lesson.

Too much attention to the students 'physiological effects and neglecting the psychological effects is biased, while no longer focusing on the students' physiological effects is from one extreme to the other. Physical health is the biological basis of mental health and good social adaptation. Therefore, paying attention to exercise load and respecting physiological laws are the teaching concepts and behaviors that must be adhered to. We should integrate the new curriculum reform concepts into realistic physical education teaching on the basis of inheritance. Among them, let the physical education give new vitality and vitality.

Exercise attention

Fortunately, exercise for half an hour after a meal is better. Exercise before the meal is fasting at night. Exercise requires proper energy. The source of energy for the human body usually depends on sugars in the diet. However, when exercising on an empty stomach, the main The energy source depends on fat. When a person is exercising on an empty stomach, the free fatty acids in the blood will be significantly increased. If the source of fatty acid muscle activity is excessive, there will be a "poison" that damages the heart muscle, cause arrhythmia, and even cause sudden death. Therefore, before fasting, drink a glass of milk or eat some pastries to reduce the risk of hypoglycemia. On the other hand, half an hour of exercise can effectively avoid the harm of fasting. It is not possible to exercise immediately after a meal. It is best to exercise half an hour after a meal.