Coach, my understanding is that you’ve described there’s no such thing as myofibrillar vs sarcoplasmic growth in the sense of one does not only lead to an increase in the contractile elements and the other only lead to an increase in non-contractile fluid; the actual difference is the neurological component is absent in what is considered “sarcoplasmic”.
That makes sense. It brings up two questions in my head:
Why does what is typically considered “myofibrillar hypertrophy” lead to a denser/harder physique?
Conversely, even though what is considered “sarcoplasmic hypertrophy” also leads to an increase in the contractile elements of a muscle fiber, why does that type of training lead to more, for lack of better terms, fluid retention? Or am I missing the point and it still leads to an increase of non-contractile elements, it just also increase contractile elements?