2. If there are more than 8 athletes, each athlete should be allowed to try throwing three times. The top eight athletes with the best effective results can try to throw three times, and the order of trying to throw is opposite to the ranking after the first three attempts. If the eighth place is equal after the third attempt, it will be handled according to the rule 146 3. When there are only 8 people or less in the competition, each person can try throwing 6 times.
3. Before the start of the competition, athletes can practice trial throwing in the competition venue, and the practice group should draw lots in order, and always under the supervision of the referee.
4. Once the competition begins, athletes are not allowed to practice with equipment, whether holding equipment or not, and they are not allowed to practice throwing on the ground in the throwing or landing area.
5. The shot put should be pushed from the throwing circle. Athletes must try to throw from a static position. Athletes are allowed to touch the inside of the hoop and toe board.
6. Push the shot from the shoulder with one hand. When the athlete enters the circle and begins to try to throw, the shot put should be close to or close to the neck or jaw, and the ball holder should not be lower than this position during the shot put. Don't put the ball behind the shoulder shaft.
7. (1) It is forbidden to use any device to help throwers, such as tying two or more fingers together with a belt. Do not use bandages or adhesive tapes on your hands except for open wounds that need to be bandaged.
(b) gloves are not allowed.
(c) In order to hold the shot put better, athletes can use some suitable substances, but only by hand.
(d) In order to prevent wrist injury, athletes can put a bandage on their wrists.
(e) To prevent spinal injuries, athletes may wear belts or belts made of other suitable materials.
(f) Athletes are not allowed to spray any substance into the boxing ring or sole.
8. After the athlete enters the circle and begins to throw, if any part of the athlete's body touches the ground outside the circle, or touches the iron ring and toe board, or pushes the shot put thrown in an irregular way, it is judged as a throwing failure.
9. If the throwing does not violate the above regulations, the athlete may stop the throwing that has already started, leave the throwing circle inside or outside the circle with the equipment on the premise of observing this article 12, and then return to the circle to start throwing again from the rest position.
Note: All the behaviors allowed in this paragraph are included in the time limit of one throw stipulated in the rule 142 4.
10, the shot put must completely fall on the inner edge of the corner line of the landing zone, and the trial throw is effective.
1 1, and the score shall be measured immediately after each effective trial. Take a straight line from the nearest point of the shot put landing trajectory to the inner edge of the throwing circle, and the measuring line should pass through the center of the throwing circle.
12, the athlete can't leave the throwing circle before the instrument hits the ground. When leaving the throwing ring, the upper edge of the iron ring or the ground outside the ring must be completely behind the white line outside the ring, and the extension line of the rear edge of the white line should be able to pass through the center of the throwing ring.
14, the best throwing performance of each athlete, including the trial throwing performance caused by the tie for the first place in the final ranking competition, shall be regarded as the final decision.