Jamie Fowler2 said:(guess it's better to just start a new thread since this doesn't really fit under the Barca discussion)
So, bottom line—nobody in the world is gonna give you one single answer that satisfies everyone. 😬
Just some possible takes I've stumbled upon:
Sun Lu Tang mentioned that internal stuff is all about using natural principles of heaven and earth to develop pure, correct chi.
BKF says internal skills focus on building strength through cultivating chi, the mind, hitting total relaxation, longevity, and meditation.
Jan Diepersloot claims the hallmark of internal arts versus external ones is having little to no body movement.
Then there's a few folks saying the main difference is using "soft" qigong.
Some say it's about applying methods from Xi Sui Jing and Yi Jin Jing.
The whole "internal arts" (Neijia) term didn't even get big until the 20th century. If you'd asked an old-school master before then, he probably would've thought you were talking about Chinese vs. non-Chinese styles. The earliest confirmed use of Neijia and Waijia specifically regarding martial arts seems to go back to the 17th century.
Some people argue splitting them into internal and external is a mistake. I mean, every style has a "hard" and a "soft" side, right? You can't fight with nothing but softness—you won't hurt anyone. And you can't fight with pure hardness either—you wouldn't be able to move. Plus, all "external" styles have an internal component (even something like karate 😬 ). Concepts like power (li), intention (yi), energy (chi), and spirit (shen) aren't just for the internal stuff.
If you're thinking about nei jin ("internal" or "trained strength"), that's a different story... but external styles train nei jin too (like ting jin, which is probably the most important thing). And internal styles have wai jin because, well, it'd be pretty useless not to have it.
Some say the difference is just how you fight. External styles control the opponent's movement; internal ones control (or feel) their intention. But that's tricky, 'cause any decent fighter can sense intention (think boxers or wrestlers...).
You got a specific answer in mind? Maybe something more detailed? Like meridian theory? The five elements? The Yellow River Map? I'm definitely staying out of the I Ching stuff. 😬
What do you think of my avatar?
I don't have an answer for you. Which of those theories does Hao follow? Oh, by the way, are you, Hao, and the rest of Hao's crew heading to the Chen Xiaowang seminar in Washington, D.C.? Or maybe he shouldn't come at all, since Hao might accidentally injure him with all that deep knowledge?
The answer to your question is basically a counter-question: What makes what you're doing "internal," or what makes Hao's way "internal"?
And when it comes to generating power, isn't that where you actually see the gap between internal and external?