Tips: Don't teach beyond your knowledge and understanding. That will get you into a mess really quick. Take the little bit that you know, study it and know that you can explore it. For example: A jab is really simple. Now break it down.
1. How many ways can you jab?
- twisting jab
- range finding jab
- retreating jab
- defensive jab
- attacking jab
- set up jab
- vertical jab
- non-twisting jab
- single jab
- double jab
- chasing jab
- horizontal jab
- downward jab
- upward jab
- jab feints
- jab counters
- jab combos
- snapping jabs
- stabbing jabs
- Power jabs
- Long range jabs
- short range jabs.
2. How many ways can you draw power for a jab?
- Draw power from leg push
- Draw power from hip rotation and pivot
- Draw power from shuffle
- Draw power from arm
- Draw power from chest.
These are things you can explore and learn without getting into too much deep water. All of these are things you would see in various martial arts systems. Start with what you know and understand then grow. When you grow share your growth with others. It's ok not to know everything.
Lack of muscle doesn't have anything to do with looking weak or feeling weak. Stuff in martial arts will usually look week or feel weak because you aren't connecting the power correctly. Your dominant arm will always feel like the stronger one because you are better at connecting the power for that arm.
If you really want to have good power then you have to do some work on your structure. This means stance training. And learn to breath. I can always tell when someone is punching without breathing because I end up holding my breath while watching. These are just a few simple things you can work on. It's not as exciting as doing a lot of martial arts moves but it will being to lay a good foundation for your self-training and it will give you the time you need to learn something new to teach or explore with the other students.
If you are truly serious about improving your techniques then this is what that process looks like. Not a lot of excitement but it's the fastest way to improve.