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  •  The muscles involved in inspiration include  Option: 1 Pectoralis minor  

 The muscles involved in inspiration include

 

Option: 1

Pectoralis minor

 


Option: 2

External intercostals

 


Option: 3

Sternocleidomastoid

 


Option: 4

All of the above 

 

 


Answers (1)

best_answer

Mechanism of Breathing: Inspiration -

??Muscles of Inspiration:
  • Core muscles: 
    • External intercostal muscles: These contract to elevate the ribs
    • Diaphragm: It contracts to expand the thoracic cavity
  • Accessory muscles:
    • Sternocleidomastoid: It contracts to elevate the sternum
    • Pectoralis minor: It contracts to pull ribs outwards

The muscles of inspiration are 

 

 

Hence, the correct option is d. All of the above 

Posted by

Deependra Verma

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