There are many aspects to consider in handball to be successful. Here are some important points:

1. Master technique and fundamentals: A solid command of the basic techniques such as passing, catching, dribbling and throwing is crucial. Regular training and perfecting these skills is essential.

2. Fitness and stamina: Handball is an intensive sport that requires endurance, strength and speed. It is therefore important to complete a targeted fitness program in order to be physically fit and capable.

3. Tactical understanding: Understand the different tactical concepts in handball, such as attack and defense systems, moves and strategies. A good tactical understanding enables you to read the game and make the right decisions.

4. Teamwork and communication: Handball is a team sport that requires close cooperation and communication. Work well with your teammates, be supportive and communicate effectively on the field.

5. Fair Play and Respect: Respect your opponents, referees and team members. Follow the rules of the game and practice fair play at all times.

6. Injury prevention: Take care of your physical health and avoid injuries by warming up before training, wearing the right equipment and using correct technique.

7. Mental strength: Handball is not only physically demanding, but also requires mental strength. Be focused, stay calm under pressure and keep a positive mindset, even if things don't go as planned.

By taking these aspects into account and continuously working on your game, you can improve your skills and become a successful handball player.