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Body Structure:
Body Structure and Processes - Axial Skeleton PT1 - 7/10/24
| Question | Answer |
|---|---|
| functions of the vertebral column? | support head neck and trunk facilitates transmission of weight and forces throughout body protects spinal cord maintains posture when sitting and standing |
| how many bones are there in the vertebral column? | 26 |
| how many bones are there in the cervical vertebrae? | 7 |
| how many bones are there in the thoracic vertebrae? | 12 |
| how many bones are there in the lumbar vertebrae? | 5 |
| how many sections is the vertebral column split into? | five vertebral regions |
| what are the sections in the vertebral column? | cervical vertebrae, thoracic vertebrae, lumbar vertebrae, sacrum and coccyx |
| what does curvature ensure? | centre of gravity sits on midline and balances body's weight |
| how does the body's centre of gravity sit on the midline and balance its weight? | curvature |
| how many curvatures are there from lateral view? | 4 |
| what are the 4 curvatures? | thoracic, sacral, cervical and lumbar |
| what are primary curvatures? | present from birth |
| what are the primary curvatures present for birth? | thoracic and sacral |
| what are secondary curvatures? | develop later |
| what are the secondary curvatures? | cervical and lumbar |
| describe the cervical curvature | secondary curve develops as infant learns to balance weight of head on vertebrae of neck |
| describe the thoracic curvature | primary curve provides room for thoracic organs |
| describe the lumbar curvature | secondary curve balances weight of trunk over lower limbs developing with the ability to stand |
| describe the sacral curvature | primary curve provides room for various abdominopelvic organs |
| scoliosis? | congenital |
| kyphosis? | exaggerates thoracic curvature |
| lordosis? | exaggerates lumbar curvature |
| what is in the cervical region? | C1 articulates with occipital bone C7 articulates with T1 |
| in the cervical region what does the C1 articulate with? | occipital bone |
| in the cervical region what does the occipital bone articulate with? | C1 |
| in the cervical region what does the C7 articulate with? | T1 |
| in the cervical region what does the T1 articulate with? | C7 |
| what is in the thoracic region? | all vertebrae articulate with at least one pair of ribs |
| in the thoracic regions what do all vertebrae articulate with? | at least one pair or ribs |
| in the thoracic vertebrae what do ribs articulate with? | all vertebrae |
| what is in the lumbar region? | L5 articulates with sacrum |
| in the lumbar region what does L5 articulate with? | sacrum |
| in the lumbar region what does the sacrum articulate with? | L5 |
| how does the sacrum form? | 5 fused vertebrae fused during embryonic development |
| how does the coccygeal form? | 4 small bones that used to be the tail |
Created by:
cowcow
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