Grade 6 - Breathing Flashcards
What are the three types of vertebrae in the spine?
Cervical, thoracic, and lumbar
How many thoracic vertebrae do you have?
12
What is the sternum?
Bone in the centre of the ribcage
How many pairs of ribs do you have?
12
What are true, false, and floating ribs?
True ribs are attached to the sternum, false ribs are attached to the seventh rib, floating ribs are only attached to the spine
How many of each rib types do you have?
Seven true ribs, three false ribs, two floating ribs
What are the two types of intercostal muscle, and what are they each used for?
Outer intercostal muscles are used when creating in, inner intercostal muscles are used when breathing out
How does the shape of the diaphragm change when breathing?
Its resting position of an upturned dome flattens to allow room for the lungs to expand
Where is the diaphragm attached?
To the bottom of the sternum, separating the chest from the abdominal organs
How do the abs help when breathing?
They provide support
Describe breathing in.
- Outer intercostal muscles contract
- Ribs move upwards and outwards
- Diaphragm contracts, moving downwards/flattening
- Lungs expand
- Abdominal muscles are forced by diaphragm contracting to push out abdominal wall
Describe breathing out.
- Inner intercostal muscles relax
- Ribs/ribcage pulled downwards and inwards
- Diaphragm relaxes, returning to its dome-like shape
- Lungs contract
- Abdominal wall flattens as diaphragm relaxes
What is clavicular breathing?
