Martial Arts is a life long endeavor. It is not something that is measured in school years. To earn a black belt takes 3 to 8 years depending on the style. And that means you have really started to learn by realizing how much you do not know.
You become a martial arts master by studying a single martial art for many years. It is not something that is easy.
The Korean word for the martial arts school is the do jang. There are many of them around the word and they all vary according to the instructor and the school. In Japanese it is a dojo.
You can start at whatever age you wish and that the school will take you. Many start at six years old, so as long as you can move and follow instructions, you can take your martial art.
Anyone can do martial arts if they have the physical ability, In my karate school we have a kid with downsyndrom who is a purple belt and only needs two more belts to become black. So practically anyone can do martial arts.
Ranma ½ isn't based on any one style of martial arts, but several of them, and many of them are parodied or are inaccurate. The school of martial arts that Ranma and his father, along with Akane and Soun Tendo practice, is known as the Anything-Goes School of Martial Arts, so while it incorporates numerous actual martial arts techniques, it also uses ridiculous "techniques" and fictionalized martial art styles.
Too many and too many variations of each.
It would be very difficult to create such a listing. Most martial arts are hundreds of years old and can trace their roots back many centuries and some even a 1000 years. And over the last century, many of the martial arts have been combined to create new ones.
A master in the field of martial arts is someone who has achieved a high level of skill, knowledge, and expertise in various martial arts disciplines. They have typically dedicated many years to training and honing their abilities, often earning recognition and respect from their peers and students.
Many cultures have occupied Florida. The martial arts of Florida are the martial arts of these cultures. The martial arts of native American cultures included the arts of working with knives, spears and bows. The martial arts of European cultures included the arts of working with swords, rifles and cannon. Unarmed fighting and wrestling were also practiced by both cultures.
It is impossible to know any martial art in anyamount of time. Besides you do not need to know several martial arts. If you find a martial arts that suits you and train, train and train, then in 3-4 years you should be pretty proficient at it. Everyone who studys martial arts are always learning. If anyone says they know a martial art, they are either lying or have a massive ego.
There are many karate or martial arts studios in Pennsylvania that offer Mixed Martial Arts.
Martial arts have developed over many many centuries in many different places. It was not created by a single person.