The mobilization of the cricothyroid articulation, for improving the high-register

The cricothyroid muscle is necessary in its role to let out a good high-pitched voice. The cricothyroid muscle moves the cricothyroid articulation which lets out a high-pitched voice when bending and sliding to extend the vocal folds.
No one can sense or feel this small articulation when moving.
If you have a problem with moving the cricothyroid articulation, you cannot let out a high-pitched voice easily.
If your cricothyroid articulation is stiff or can not move widely, it will strain the vocal cord muscles and contract the resonance chamber in order to make a high-pitched voice.
The above way makes i:A metallic high-register voice ii:Pitch is not precise or accurate iii:A hoarse voice iv:LDP

First, it is best to check to see if your cricothyroid articulation moves properly. If there is no problem, you can have safe and progressive vocal training, with an achievable goal of making the cricothyroid muscle stronger.
However, if the cricothyroid articulation has problem with its movements you have to fix the underlying cause first. Otherwise, you won’t be able to improve your high-pitched voice, even if you do hard and dedicated training.
The main cause that the cricothyroid articulation is obstructed from moving widely is by (larynx deep position) LDP, which weakens the cricothyroid muscle.
So first you need to fix LDP, then mobilize the stiff cricothyroid articulation, finally after that you can begin targeted muscle training of the cricothyroid muscle.
The following figure shows mobilization of the cricothyroid articulation.
You can increase the range of a high-pitched and low-pitched voice by mobilization of the cricothyroid articulation.

e01

Improving a low-pitched voice: Slide the cricoid cartilage forward. When moving obliquely downward, extend the angle of the cricothyroid articulation to loosen up the vocal folds.

e02

Improving a high-pitched voice:Push up on the cricoid cartilage and bend the cricothyroid articulation to extend to the vocal fold.

e03

Note1:The cricothyroid articulation is the hinge joint and the slide joint. In rare cases, if the shape is different or abnormally irregular between the right and left sides of the thyroid cartilage, it may cause problems with moving the cricothyroid articulation.

Note2:Please do not mobilize the cricothyroid articulation by yourself, because if you press it with too much strength it will be broken easily. Seek a voice care salon or vocalization specialist when dealing with such issues.

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