Dynamic motion makes it possible to create super high-pitched sounds

Dynamic motion makes it possible to create a super high-pitched sound.
A Vocal Coach once asked me, “Is it true that people who have a wide range of motion with cricothyroid articulation, can sing super high-pitched vocals?”
The answer is yes!!
I’ve listed the following requirements necessary to be able to make these super high-pitched sounds.
Describing how to make the super high-pitched sounds purposely, not in a general speaking voice.
1:Normal movement with the cricothyroid articulation (the figure of inferior horn or the glenoid cavity, the hinged movement and the slide movement)
2:The muscles around the larynx must be soft and relaxed.
3:The cricoid cartilage should be big.
1 and 3 are of great importance, though 3 is the most important requirement.
Do you know why the cricoid cartilage must be big to make these super high-pitched sounds?
Because if the cricoid cartilag is bigger, the space of the glenoid cavity will also become bigger.
As a result, the angle of hinge movements and the length of the slide movement increases, and the cricothyroid articulation can move dynamically. Thus, the extension range increases dramatically.
Furthermore, the cricothyroid muscle (oblique and pendant part) is toned because the range of movement is wide.
This is referred to as dynamic motion, which makes it possible to make super high-pitched sounds.
Be advised, heavy cricoid cartilage may obstruct movement. In some cases the big size is not necessarily a positive advantage.

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