Can muscle fibers grow without being activated?

Here is a very short follow-up article to the previous one about how leverage does not determine muscle force (but that does not matter for hypertrophy). This article explains that muscle fibers cannot experience mechanical tension during strength training without first being activated. So activation is the most important thing to look for when programming an exercise.

https://medium.com/@sandcresearch/can-muscle-fibers-grow-without-being-activated-7c920e94e099