term1 Definition1term2 Definition2term3 Definition3
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Action of breathing
Muscles - diaphragm and intercostal mm.
Inspiration - diaphragm flattens and intercostals contract and elevate ribs
Expiration - passive, elastic recoil
Accessory mm of breathing
Inspiration - SCM, scalene, platysma, strap mm of neck
Expiration - abdominals
Signs of inc work of breathing
- Accessory mm.
- Nasal flaring
- Tracheal tug
- Intercostal indrawing
- Bracing
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