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Excessive Closure

过度闭合

The vocal folds are pressed together too tightly, causing a squeezed, strained sound.

In a Nutshell

The vocal folds close too tightly, resulting in a squeezed, strained, and effortful voice.

Feeling	Description
Squeezed sound	Voice sounds tight and constricted
Throat tightness	A sense of pressure in the throat
Singing fatigue	Excessive effort leads to tiredness
Can't reach high notes	Glottis is too tight to vibrate freely

Cause	Description
Excessive vocal fold force	Vocal folds close too tightly
Too much airflow	Excessive air pressure causes the vocal folds to over-adduct
High larynx position	Larynx rises too much

Humming exercises: Hum "mmm~" and feel the vocal folds relax

Sigh-based exercises: Glide downward from a high pitch, letting the voice come out naturally

Don't "push" the voice: Let phonation happen naturally without forcing it

Diaphragmatic breathing: Support the airflow with the abdomen rather than squeezing with the throat