Standard men's ball #7: weight 600-650g, circumference 75-76cm.
Standard female ball #6: weight 5 10-550g, circumference 70-7 1cm.
Junior ball #5: weight 470-500g, circumference 69-7 1cm.
Children's game ball #3: weight 300-340g, circumference 56-57cm.
Extended data
Basketball maintenance
Don't touch water: Under normal circumstances, you need to be careful not to let the basketball touch water, which will reduce the service life of the basketball and easily crack.
Don't press hard: don't kick or sit on the basketball to rest, and don't press the basketball with heavy objects.
Don't be exposed to the sun: after using the basketball, wipe the surface of the ball with a cloth, don't rinse it with water, and store it in a cool and dry place.
Correct inflation: after wetting with a special air needle, slowly insert it into the ball mouth for inflation. It is forbidden to directly inflate with a high-pressure air pump, and the inflation pressure should be between 7 and 9 pounds.
To be a basketball player, you need the following steps:
1. Cultivate interest: First of all, you need to have a strong interest in basketball. Just like any other activity, interest is the foundation of becoming a successful basketball player.
2. Understand the rules of basketball: It is very important to understand the rules of basketball. You need to know the rules of the game, the scoring method and other important details. This will help you to express yourself better in the competition.
3. Participate in training: find a suitable basketball club or school and participate in professional basketball training. In addition, you can also participate in basketball training activities such as basketball summer camp to improve your skills and skills.
4. Keep a healthy lifestyle: As a basketball player, you need to have a good physique and a healthy lifestyle. This includes a healthy diet, adequate sleep and regular exercise.
5. Mastering basic skills: Understand and master the basic skills of basketball. This includes skills such as dribbling, passing, shooting and defense. Improve your skills through constant practice and interaction with the coach.
6. Participate in competitions: Participate in various basketball competitions and competitions. This helps to test your skills and provides opportunities to compete with other players, learn from them and grow.
7. Establish team spirit: Basketball is a team sport, and teamwork is very important. Learn to cooperate with teammates, work together to achieve the same goal, and learn to support and cooperate with each other in the game.
8. Persistence and perseverance: It takes a long time to become a successful basketball player. You must set goals for yourself and make unremitting efforts to achieve them.
9. Accept feedback and improve: Actively accept feedback from coaches, teammates and others and use it to improve your skills and performance.
The most important thing is to enjoy basketball and keep a positive attitude. Remember, it takes time and effort to be an excellent basketball player. Although you may encounter difficulties and challenges in your journey, if you persist, you can realize your dream in the field of basketball.