Basketball stride defense stride from attack to defense to find an opponent or when the defender loses his defensive position, he can use stride to follow the opponent quickly and continue to defend the opponent from passing to slipping. The essentials of starting the action are: when crossing to the left, push your right foot hard to the ground, quickly pull it out from the front side of your left foot, and the upper body slightly crosses to the left. When the right foot touches the ground, the left foot moves to the left, and the feet cross in turn, running fast. Holding the ball to break through the stride: taking the left foot as the center foot as an example. First, make the defender's center of gravity move to the left with fake action, then push the inside of his right foot to the ground and step to the left. The upper body is over the shoulder to the left, and the left hand pushes the ball to the front of his right leg to quickly overtake the opponent. You can also leave the fake action and break through with the ball. Step breakthrough with the ball: take the defender's right side as an example. When breaking through, push the ground hard from the inside of the right palm to the back, take a big step to the defender's right quickly, and bend your knees and turn your shoulders close to the opponent's body; Before the right foot leaves the ground, immediately put the racket in front of the left foot with your left hand; Step on the ground quickly with your left foot and accelerate to overtake your opponent. Action points: take the initiative to kick the ground and start quickly and suddenly; Turn the shoulder, which should be connected with the stride; Before the center foot leaves the ground, release the ball from the hand; Accelerate transcendence and move forward coherently. Holding the ball synchronously (forward step): Take the defender's left breakthrough as an example. When breaking through, push the ground hard with the inside of the left palm, and take a quick step to the other side with the right foot. At the same time, the upper body slightly turns right and the left shoulder presses down. The right hand puts the ball in front of the right foot, the left foot quickly strides for the position, and the right hand pushes the ball to accelerate the overtaking of the opponent. Action points: set off suddenly, step and release the ball quickly and continuously, and leave the ball before the center foot leaves the ground. Easy-to-make mistakes and correction methods ★ Correction methods for foot movement and premature departure of the central foot during breakthrough ☆ Explain the rules and requirements, clarify the concept of the central foot, analyze the reasons and conduct correct demonstrations. Do targeted exercises. If your feet are open, your heels are slightly raised, and your body's center of gravity shifts to your left right foot; Stand in the basic posture, take a step forward left and right, and then go back to the basic posture and practice repeatedly. ☆ Do the ball-holding breakthrough exercise slowly, and gradually improve the breakthrough speed. ★ Corrective methods to keep the body straight or away from the defense when striding ☆ Explain the purpose and function of turning and kicking shoulders when striding, and clarify the striding direction and body posture. And make a correct demonstration. Do more imitation exercises. ☆ Make it clear to the students that the technical breakthrough is a link in the process of holding the ball, and you can't stop it on purpose. ★ The ball was knocked out by the defender due to improper placement. Corrective method ☆ Explain clearly the moving route, release time, impact point and rebound height when holding the ball. It should be emphasized that the appropriate landing point should be to protect, control the ball and accelerate the opponent's overtaking. Make a correct demonstration. Slides can be said to be similar to spacewalks. The steps are as follows: 1) Slide in place: Preparation posture: Stand with your feet side by side and your arms droop naturally. Action process: lift the heel, left foot, and the center of gravity of the body falls on the palm of the front foot. After the left foot presses the heel, the right foot straightens and slides backwards. Then, after the toes leave the ground, bend the leg forward to the original position, lift the heel right foot and heel the right foot at the same time, and then complete the action of the right foot as a supporting foot and the left foot slides backwards. Two feet slide alternately in the same place. Practice tip: practice one-arm in-situ sliding, two-arm forward wave, up and down wave. At ordinary times, we should strengthen the heel lifting training of feet or loads to improve the strength of beating ankles and toes. (2) Slide forward: Prepare posture: Same as above: first straighten your left leg, slide forward one step in the toe direction, then lift your heel with your left foot, straighten your right foot and slide forward one step in the toe direction. At this time, the left foot presses the heel, the right foot lifts the heel, and the two feet slide forward alternately. Exercise tip: the toe direction of forward sliding can be straight ahead or outside. (3) Backward slip: 1. Slip back after heel pressing: the preparation posture is the same as above. Action process: when lifting the heel and pressing the heel, the right foot is straight and the whole sole is smooth backwards; When the toe of the right foot slides to the heel of the left foot, the toe points to the ground, the heel is raised, and the instep is vertical to the ground; Then the right foot presses the heel, the left foot straightens and the whole sole is smooth backwards, so that the toes point to the heel of the right foot, the toes point to the ground, the heel of the left foot is lifted, the instep is vertical to the ground, and the left and right feet alternately complete the backward sliding action. Exercise tip: The main point of action is to follow the ground with one foot and lift the other heel, and repeat alternately. When the rear slipper stops sliding, the toe points to the ground and the instep is vertical to the ground. If you are skilled, you can increase the stride of backward sliding. Pay attention to control the center of gravity when practicing. 2. Raise the heel and prepare for the backward slide: stand side by side with your feet and your arms naturally droop. Action process: the left foot is the supporting foot, the knee joint of the right leg is straight, the whole sole slides back to the heel of the left foot, and the left foot lifts the heel. The left knee joint extends to the sole of the foot and then slides to the right foot, and the right foot lifts the heel. The left and right feet slide backwards alternately. Exercise tip: When gliding, lift heel's ipsilateral shoulder should be lifted upward and transmitted reversely with unilateral joint. (4) Lateral sliding step: 1. Heel-pressing and cross-sliding preparation posture: open your feet left and right, with your toes in front and your feet apart. Action process: the toes are facing left, and the heel of the heel is raised close to the heel of the right foot. When the left foot presses the heel, the right foot is straight, the whole sole is smooth to the right, and the toes step forward, so that the horizontal sliding action to the right can be continuously completed. Exercise tip: The number of horizontal slides left and right can be freely slid according to the needs of the action. 2. The preparation posture of double heel-lifting horizontal sliding step: the feet are left and right, the toes are abduction, and the arms naturally droop. Action process; (Take sliding horizontally to the right as an example) The center of gravity of human body moves to the right. When the legs stand upright to the right, lift the two heels, and the right foot drives the left foot to move one foot to the right, so that the lifted heels of the two heels are close together, and the right foot moves one step to the right to restore the preparation posture. Exercise tip: The main point of action is that the waist and buttocks drive the body's center of gravity to move. 3. Cross-sliding preparation posture: the feet are left and right, the left toe is left, and the arms naturally droop. Action process: (Take sliding horizontally to the right as an example) Lift the heel with the left foot, and the heel is close to the right heel. When the left foot presses the heel, the right leg is straight and the whole sole slides one step to the right. Then the forefoot of both feet quickly makes the toes exceed the inside. When the left foot crosses the previous step of the right foot (the toe crosses the right), the forefoot of both feet continues to grind the ground, so that the left toe crosses the left and the heel is raised at the same time. At this point, the tip of the right foot has turned straight ahead. Prepare to start the second cross slide. Exercise tip: The key point of this slide is the grinding action of the forefoot. To make the movement route of two feet on two parallel lines, beginners should slide in one direction first, and then complete the cross-sliding steps on the left and right sides after they are proficient. 4. Turn around and cross-slide to prepare for the action: Same as above: lift the heel of the left foot and make the toes exceed the left. When the heel of the left foot is close to the arch of the right foot, press the heel of the left foot and slide the right leg one step to the left. At this time, the left foot touches the ground, the right foot lifts the heel, the left foot straightens and rotates to the tip of the right foot, and the body rotates to the right and back 180 degrees, then the right foot touches the ground, the left foot lifts the heel, and the right leg straightens and slides one step to the right. Repeat the action like this. Exercise tip: The key to the action is to press the heel while sliding the other leg. (5) prismatic sliding: prismatic sliding is carried out according to the essentials of horizontal sliding combined with turning action. Exercise tip: 1. Flexible rotation. The prism sliding step can be completed clockwise. 2. When turning and sliding, you can combine the movements of your body and arms. Supplement: Explain in detail that the sliding empty step is an optical illusion effect, which needs more practice. The following are the best practice points for spacewalking that I can find. Why not give it a try? Step 1: find a pair of tight flat shoes. You can use soft-soled shoes at first. Step 2: Make sure that the floor you practice on is not too rough, and try to find a smooth floor. Step 3: Stand with your feet together, with your left foot slightly in front of your right foot (the front end of your right toe should be in line with the middle of your left toe). Step 4: Then lift the heel of your right foot to make it look like you are walking, and stand in front of your right foot and keep your left foot still (be careful not to move). Step 5: When you put down your right heel, move all the center of gravity to your right foot, and slowly drag your left foot backwards so that your left toe is flush with your right heel. When doing this step, the left heel should be slightly off the ground, and the left foot should not step down, otherwise it will not slide. Make sure to slowly lower your right heel while moving your left foot. Controlling speed requires more practice. Step 6: Keep practicing the above steps until you are sure that you can move without obstacles. Step 7: Once you can master the above movements, move your left foot forward, but don't touch the ground. Make it look like you just kicked it to the ground. Move one foot from the front of the right toe. Don't lift your left foot anywhere. Step 8: Move your left foot back to its original position and lift your right heel again. Bend your left leg and repeat step 5. Keep practicing until you understand all the essentials, and you can do whatever you want and get approval from others. Finally, you can overcome gravity, so that you can walk in space like a professional. Step 9: Once you can master the bending of your right foot, exchange your feet and try to do the same with your left foot. Slide your right foot backwards and lift your left heel and put it down. Support your left foot, stretch it, then lift your left heel, then slowly move your right foot backwards and put it down again.