For martial artists, both size and speed can be important, but it depends on the martial art style and the individual's personal strengths and weaknesses.


In some martial art styles, such as Brazilian Jiu-Jitsu, size and strength may be less important than technique and leverage. A smaller and lighter martial artist with good technique and leverage may be able to defeat a larger opponent.


In other styles, such as boxing or kickboxing, speed can be a crucial factor in winning fights. A fighter who can deliver fast and powerful strikes can have an advantage over a larger opponent with slower reflexes.


That being said, having a combination of both size and speed can be beneficial in most martial art styles. A larger martial artist may have an advantage in grappling and ground fighting, while a smaller martial artist may have an advantage in striking and agility.


Ultimately, the most important factor for a martial artist is to have good technique, physical conditioning, and mental toughness. These attributes can help a martial artist overcome disadvantages in size or speed and become a skilled and successful fighter.