Yes, martial arts can be used effectively without a weapon. In fact, many martial arts styles are designed to be used primarily in unarmed combat situations. These styles typically involve training in techniques such as strikes, kicks, throws, joint locks, and grappling maneuvers.


Some examples of martial arts styles that focus on unarmed combat include:


Boxing: a sport and martial art that involves punching techniques and footwork.


Karate: a Japanese martial art that emphasizes striking techniques using the hands, feet, and other parts of the body.


Taekwondo: a Korean martial art that emphasizes kicks and strikes.


Judo: a Japanese martial art that focuses on throws and grappling techniques.


Brazilian Jiu-Jitsu: a martial art that emphasizes ground fighting and grappling techniques.


In addition to these styles, there are also many other martial arts that can be used effectively in unarmed combat, including Muay Thai, Capoeira, and Krav Maga.


While martial arts can be used effectively without a weapon, it is important to note that some styles also incorporate weapon training as well. However, even in these styles, unarmed combat techniques are typically emphasized as the foundation of the training.