venkatesh
Forum Junior
Topics: 12
Posts: 36
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Hello, I know my q is simple, can any one tell me which are the expiration and insipiration muscle.
thanks
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| mildus
Forum Guru
Topics: 19
Posts: 614
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Inspiratory muscles can be divided into principal (primary) and accessory (secondary) muscles. Principal: diafragm, external intercostal muscles
Accessory: sternocleidomastoid, pectorals, scalenes
Expiratory muscles are only accessory i.e. there are not principal expiratory muscles because normal expirium is a passive process due to elastic properties of the lungs.
They are internal intercostal, subcostal, transversus thoracis, latissimus dorsi, abdominal muscles
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| venkatesh
Forum Junior
Topics: 12
Posts: 36
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Thanks mildus, i really appreciate your help, i have posted one more q in this forum if u know pls let me know.
thanks
venkatesh
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