1. Teaching key take-off is an important technical link in long jump. Its purpose is to make the human body get vertical upward speed on the basis of run-up. Take-off (landing, concession and extension) must be completed in a short time (0. 1 1. 13÷). Push and stretch, push the ground, swing the legs, swing the arms, pull out the waist, hold out the chest, lift the shoulders, raise the head ... 2. Teaching difficulties run-up is one of the important technical links in long jump. Its purpose is to make the human body get the maximum horizontal speed before taking off. Run-up take-off makes the human body move from front to top, so as to obtain the appropriate take-off angle and the fastest take-off speed.
Long jump, also known as sprint long jump, is a jumping event in track and field. It includes run-up, take-off, flight and landing. Athletes run up in a straight line, take off with one foot before and after the springboard, go through the flying stage, and then land their feet in the bunker. In the competition, the ranking is determined by the distance of jumping. Long jump is one of the oldest competitions. It is the activity of human beings crossing rivers and ditches when hunting or avoiding wild animals. Later, it became a means of military training, and in 708 BC, it became one of the five events in the ancient Olympic Games. In the pentathlon of the ancient Greek Olympic Games, there was the long jump.