What are the closely related technical stages of the whole reading process of the jumping event?

The whole reading process of the jumping event, although the movement form and requirements of each jumping sports are different, they are all from the horizontal displacement of the human body to the projectile motion, which can be divided into the following four closely related technical stages:

1) Running stage: also known as the horizontal displacement stage of the human body.

2) Take-off stage: also known as the transition stage of the human body from horizontal displacement to projectile motion.

3) Take-off stage: also known as the projectile motion stage of the human body.

4) Landing stage: also known as the falling stage after human ejection.

Excludes: Coffee break. The basic stages of the meeting process include three stages: before, during and after the meeting.

Pre-meeting: Planning and preparation for the meeting. The office staff receives the notice of the meeting, asks about the conference service requirements, and then forwards the specific arrangements to the conference staff, who prepare the pre-conference work and do a good job of conference registration.

After that, the conference staff will set up the venue, including: checking the hygiene of the conference room; The way of pulling the line is used to ensure the neat placement of tables, chairs, cups and other conference supplies; The conference preparatory unit provides the list of seat cards and the order of placement, and the staff places them as required. During the meeting:

Practices in meetings. Including reception practice, conference management and refreshment reception, ** or visitors in the meeting, reading and making meeting minutes, etc. For example:

During the meeting, we should pay attention to the rostrum, and if the leader needs help, he should come forward to inquire in time; Pay attention to the microphone switch and position of the next speaker in time, if the microphone suddenly misses.

There are four steps, which are run-up, take-off, take-off and pad-down.

One measure of the step, two runs, three jumps, and four over the pole landing.

Jumping, when you force your feet off the spot to jump up or forward.

Each jumping movement can be divided into four closely connected action stages, that is, the stage of horizontal movement of the human body, which is technically called a run-up; The horizontal movement of the human body forwards to the forward and upward movement phase, which is technically called take-off; The aerial overtaking stage after the human body leaves the ground is technically called vacancy; The stage when the human body lands on the ground after being vacated is technically called landing.

Instructions for jumping

Jumping is a jumping event in track and field, which uses the human body's own ability (or at the same time with the help of certain equipment - poles) to make the human body soar as high as possible or jump as far as possible through a certain form of movement.

The mechanical basis of jumping movements. The jumping event of track and field is a non-periodic event, and each jumping event, although the form and requirements of the movement are different, but there is something in common, that is, the movement of the human body starts from a static state to run forward, and then transforms into the air, and finally lands. The law of projectile motion is usually used as the mechanical basis of national track and field jumping sports.

The initial speed is the most important factor in determining the height or distance of the jump. It is a combination of the horizontal speed of the run-up and the vertical speed generated during the take-off, which is determined by the physical ability and technical level of the person. In order to obtain the maximum initial velocity of lifting, there are different requirements for horizontal plane velocity and vertical velocity depending on the altitude or distance achieved.

Jumping in athletics is the ability of the human body to exercise (or at the same time with the help of certain equipment - poles).

Master the essentials of movement technique.

Pre-swing: open your feet left and right, shoulder-width apart, swing your arms back and forth, when swinging forward, your legs are straight, when swinging back, bend your knees to lower your center of gravity, lean your upper body slightly forward, and swing your hands back as much as possible.

Key points: The upper and lower limbs are coordinated and coordinated, the center of gravity is lowered by one extension and two flexion when swinging, and the upper body is slightly leaning forward.

Take off and take off: Kick the ground quickly and hard with both feet, and swing from back to front and up with both arms slightly bent at the same time, jump forward and up in the air, and fully spread your body. Key points:

Kick the ground quickly and powerfully, the leg push and hand swing should be coordinated, the air body should be fully expanded, and the forefoot before leaving the ground should be emphasized to push the ground instantaneously. Landing cushioning: Tuck your abdomen and raise your legs, stretch your calves forward, swing your arms back vigorously, and bend your knees to cushion on the ground.

Key points: Grasp the timing of the calf extension, bend the leg and extend the arm back, and go forward and not backward after landing.

Run-up, take-off, take-off, landing. The run-up should be increased to the maximum speed, like running 100m; When jumping, you should push the ground with all your feet; Take-off techniques include upright, squatting, and walking; When you land, your legs should be sent forward.

Run, jump, take off, land.

I think the most difficult part of the fluttering jumping technique is the take-off and mastery of the technique.

One of the many difficulties of my sister is divided into those stages, and this stage is average.

Of course, the major difficulty of long jump technology is different, for which stages of that thing to jump one, there is a section of the runway, and then the last jump is different from the start.

The focus of the different long jump techniques is a very good structure and technique.

So these three stages mainly depend on what concept you have in this setting?

What are the major difficulties of the cosmetic treatment technique? What are the stages?

Let's take the sports theory exam... I would also like to ask ...