A student and teacher practice in the long jump, remember to take note. As follows: 1., To stand in that spot or line to jump 2. Stands down 3. Compet-arm increases in jumping 4. Force transmission from the ankle
students to view the practice of teachers in the long jump, and then remember to observe as follows: 1. standing in the spot where the line or will jump 2. squat down 3. แข่ arms add strength to jump 4. Exert from his ankle