Stimulus: The intended physical stress of an effective training program.
4 factors that comprise Stimulus:
1. Muscular activation
2. Joint performance
range of motion and lever angles:
Upper body: push/pull
Lower body: push/pull
3. Metabolic Range
4. Scaling and progression.
This is completely Horizontal, it is not a vertical hierarchy or a progression ladder. Scaling is using movement as a tool to gain a desired stimulus within the athlete. This is why people with muscle ups still incorporate pull-ups and even ring rows into their training.
This one is vertical, we don’t control for stimulus in our progressions, we use specific drills for a specific purpose to progress for specific reasons. Think of a beat swing (kip swing) as a specific muscle up drill, the benefit is seen in the practice of the movement, not in the training stimulus.
Thus, at the intersection of scaling and progression we find our ideal ability. We have found that the struggle for most people is attempting to operate where we want our ability to be. If we focus on stimulus, ability is a lot easier to see because it is simply a result of our progressions and scaling. We essentially remove the guessing game and ultimately lay a much stronger foundation. A virtuous approach and endeavour.