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When creating rigidity in the torso, which of the following involves expiring against a closed glottis, combined with contracting muscles of the abdomen and rib cage?

Respuesta :

ashish4112119

Answer:

Valsalva maneuver

Explanation:

Valsalva maneuver

you breathe out strongly through your mouth while holding your nose tightly closed

may slow your heart when it's beating too fast

and go back into normal rhythm

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