How many resistance sessions lead to gains in muscle strength & size?

In this video, I talk through how many resistance sessions are needed to improve strength and size of the muscle from novice to elite athlete.
Please check out the playlist for all other videos on this topic: • Insights into Olympic ...

[@AbdAllah-Karim]

So did I understand it well that you first start to see visual changes after 20 - 24 sessions?
Does it count for beginners or advanced?