Spinal column

Question 1

How many vertebra are there?

Answer 1

33 total

Question 2

What are the 5 sections of the spinal column and how many vertebra do they have in each section

Answer 2

1. Cervical (7 vertebra)
2. Thoracic (12 vertebra)
3. Lumbar (5 vertebra)
4. Sacral (5 vertebra)
5. Coccyx (5 vertebra)

Question 3

What do the cervical vertebra do and what movements do they allow

Answer 3

• Support weight of head
• protect beginning of Spinal column
• provide passage way for bloodflow into the brain
• MOVEMENT
• Flexion (bending chin forward)
• Extension (bending chin backwards)
• Rotation
• lateral flexion

Question 4

What is the difference between C-1 and C-2 and what movements do they do

Answer 4

• C-1 Atlas:
• Has no body or spinous process
• holds weight of head
• widest of the cervical vertebra due to ransverse process extending further
• MOVEMENTS:
• Flexion and extension
• small rotation
• C-2 Axis:
• MOVEMENT: Side to side

Question 5

What do the Thoracic vertebra do? And a difference between these vertebra and the others

Answer 5

• Extra stabilzed due to attachment to the Ribs
• Carries large portion of upper body
• Larger Spinous process

Question 6

What do the vertebra in the lumbar spine do?

Answer 6

• Largest vertebra in the spine
• Carries large portion of upper body weight

Question 7

What do the vertebra in the sacrum and coccyx look like

Answer 7

The vertebra in these 2 sections are fused together and the coccyx are the smallest vertebra