Its not really about big muscles if you look at the principles he is talking about.
The principles apply to IMA and CMA in many ways to help you evolve as a athlete.
these apply more to just lifting weight:
1. continuity- consistency getting in the gym and working out
2. Understanding- understanding what your doing, why and knowledge.
3. recovery- good sleep, nutrition, and day off
4. solid foundation- gotta have basics before the complex
5. Individualization- know your weaknesses and where you need to improve.
6. specialization- planning and changing to develop new skills
7. periodization- have a plan before you train, enough what your body can give to achieve goals.
8. variety- your training program needs to constantly change
9. training economy- use time wisely in gym, train hard then go.
10. progressive overload- program need increased demands- more weight, more repetitions.
11. nutrition- got to eat healthy, most important discipline
12. safety- common sense, know what your body can do.