let me copy and paste the first part
One must be able to know how human body grows, adapts, how we can become fast twitch dominant or slow twitch dominant with training, how our CNS learns, other than CNS which structures contribute to our strength, how muscle fibers and tissues get damaged and repair and such. You must know all these things if you want to become a True

One must be able to know why this program works and that does not. There is always a reason why something works. Look for scientific solution and read research articles.
Leave behind traditional

As long as you have any one of such beliefs, you can never manipulate your body as you do not even know how your body produce force and such.
Did you know that people can become fast twitch dominant with certain type of training ?
Did you know that the opposite can be done ?
Did you know that there are countless studies done on it ?
Did you know that muscle fibers can be repaired even if you train the same muscle group for a couple of days in a row? Did you know that it is heavily science backed ? real world result backed ? Did you know that it must be done in a systematic way ?
Did you know that small muscles can be trained more often bcos the amount of muscle fibers that get damaged is less than those of bigger muscles. That also means that there are less fibers to repair?
Did you know that the

Did you know that fast twitch muscle fibers can grow fastest and are also strongest compared to other types?
Did you know that you must recruit all or most of your motor neurons which control your muscle fibers with each and every rep you perform to ensure growth in every muscle fiber?
Second part
In fact, I have provided lots of these information on several occasions. Just that no one who needs help care to remember.
To make muscle fibers grow, generally speaking, one of the two things must be done;
1. impose greater tension than the one they have experienced
2. make them do more total work than they have done
1. impose greater tension than the one they have experienced
Lets assume that you are able to recruit, say 80 % of your Motor Units which contain Motor Neurons, the nerves that innervate respective group of muscle fibers.
To use all of them, say, you have to carry AT LEAST 80 kg. So, when you carry this 80 kg, you will use all 80 % of your Motor Units, making all the muscle fibers belonged to these units contract/fire.
So, can you lift more than 80 Kg ?
Yes, you can. But, you are already using all the MUs that your CNS is capable to using at any one time, how would you acquire more force to lift more weights ?
Simple, as I have explained in my articles, these Motor Neurons will increase their firing rates as necessary, hence, they willl send electrical signals faster, making your muscle fibers to contract faster.
Will they fire at their highest frequencies ? If the load is heavy enough, yes, if not, they will play it by ear.
So, forcing the Motor Neurons to fire faster than they used to do is how you increasing the tension on your muscle fibers.
But, for the you, who can only use 80 % of the available MUs all at once, there are more than 2 general ways of making muscles grow. I will touch on it later. Lets move to number 2.
2. make them do more total work than they have done
This is simple. If you are doing 3 sets of 10 reps, there will be a total of 30 reps. Just increase the total reps.
By using either one or two of these methods, you will damage the muscle fibers and other structures, IN GENERAL.
Lets get back to the you on the top.
You are using 80 % of MUs right now. If you try to gain strength, your CNS will HAVE TO GET better at recruiting muscle fibers.
By the way, I would like to emphasize that there are many other factors that play major roles in increasing one's strength. Recruiting more MUs is just one of those factors. I have talked about these factors in my reply to bro Ben in this thread. Please look for it and read.
So, when your CNS start recruiting the MUs that it really hardly uses or never uses before, the muscle fibers in these units will have to start working.
Now, you are lifting more weights as your strength go up, but it does not necessarily mean that you expose the muscle fibers that you have been using up untill now to greater tension. Why ? bcos, you are using more weights only because there are more muscle fibers working for you.
Does that mean, there would be no growth if you don't make them do more total work ? not really. There will still be growth even if you use same reps, sets bcos the new guys will grow as they are not used to contracting. And what is more, these guys are more quality than others bcos they are largest, strongest and have the most potential for growth.
That said, if you use heavy enough weights to expose all the fibers to greater tension to the one they are used to, then, yes, others may grow as well. Note that I use MAY and there is a certain reason why. If you know about muscle fiber property changes, you know why.
So, as a rule of thumb, your muscle fibers must get damaged if you want them to grow bigger. Don't mix up soreness with damage. Lets not talk about soreness here. The above rules are just two main ways of damaging them.
Obviously, knowing these two is already good enough. Good enough to put you infront of any others shooting in the dark and trying out this and that without knowing the reason why. Still, it is not that simple just yet.
That is why I always say " Eat enough to gain around 0.25 lbs of lean muscles each and every week and if you gain around there but lots of it are fats when you don't have any health problem and the diet is clean or close to clean, then, it is bcos of your training ". Usually, these training regime they are on can cause very little or no damage to the muscle fibers. That also does not always imply that the regime sucks. It can be bcos of the time that the trainee use this training regime.
This is the intro on the real deal training principles.
There will be articles which will bring you from the basics to the intermediate level.
Stay Tuned
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