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Sports Medicine 1 > Axial Skeleton > Flashcards

Axial Skeleton Flashcards

1
Q

What does the Axial Skeleton includes?

A

Ribs, Sternum, Spine, & Skull

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2
Q

What does the ribcage consists of?

A

Ribs, Sternum, Thoracic vertebrae, Costal cartilage, and Intercostal spaces

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3
Q

What is the rib cage main function?

A

Protect internal (vital) organs(heart, lungs,…)

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4
Q

What is the breast bone called?

A

Sternum

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5
Q

How many parts are in the sternum?

A

3

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6
Q

What are the 3 parts of the sternum?

A

Manubrium(proximal), Body, Xiphoid process(distal)

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7
Q

What type of bones is the sternum?

A

Flat bone

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8
Q

What does the sternum do?

A

Connects ribs in front via.cartilage

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9
Q

What type of bone is the thoracic vertebrae?

A

Irregular bones

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10
Q

What function does the thoracic vertebrae serves?

A

Provides connection point for ribs on posterior side

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11
Q

How many pairs of ribs are there?

A

12 pairs = 24 bones

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12
Q

What type of bone is the rib?

A

Flat bone

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13
Q

How many sections are in the RIB?

A

3 sections

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14
Q

How many TRUE ribs are there?

A

7 (1-7)

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15
Q

True ribs:

A

Attach to sternum directly via. cartilage & attach to thoracic vertebrae

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16
Q

How many FALSE ribs are there?

A

3 (8-10)

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17
Q

False ribs:

A

Attach indirectly to sternum via. 7th true rib cartilage

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18
Q

How many FLOATING ribs are there?

A

2 (11-12)

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19
Q

Floating ribs:

A

Attach ONLY to the thoracic vertebrae

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20
Q

What purpose does the costal cartilage serves?

A

Allows for expansion and deflation of ribs during breathing

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21
Q

What are intercostal spaces?

A

Spaces b/w the ribs

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22
Q

What is another term for spine?

A

Vertebral column

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23
Q

What type of bones made up the vertebral column?

A

Irregular bones

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24
Q

How many vertebrae are in the vertebral column?

A

33

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25
What do spine do?
Shock absorber, prevents shock, encases spinal cord
26
How long is the spine?
Skull to pelvis
27
What are some functions of the spine?
Holds head & body upright, allows bend & twist, protect spinal cord
28
How many sections are in the Vertebral column?
5 sections
29
What is another term for neck?
Cervical vertebrae
30
How many bones are in the cervical vertebrae?
7
31
What are some functions of the cervical vertebrae?
Support head & neck, Allows nodding & head shaking
32
How is the cervical vertebrae labeled?
C1,C2,C3,C4,C5,C6,C7
33
What is another term for the trunk bones(vertebral column)?
Thoracic vertebrae
34
How many bones are in the thoracic vertebrae?
12
35
What are some functions of the thoracic vertebrae?
Attachments for rib, Allows twisting/turning
36
How is thoracic vertebrae labeled?
T1,T2,T3....T12
37
What is another term for the lower back?
Lumbar vertebrae
38
How many bones are in the lumbar vertebrae?
5
39
What are some functions of the lumbar vertebrae?
Carry upper body weight & provides stable center of gravity (core) when moving
40
How is lumbar vertebrae labeled?
L1,L2,L3,L4,L5
41
What is the Sacrum?
5 FUSED vertebrae
42
What are some functions of the Sacrum?
Forms back wall of pelvic girdle & join 2 coxal bones posteriorly
43
What is another term for the tailbone?
Coccyx
44
What is the coccyx?
4 FUSED vertebrae
45
The coccyx:
Forms back wall of pelvic girdle
46
What is another term for the head?
Skull
47
How many sets of bones are in the skull?
2 sets
48
What are the 2 sets of bones in the skull?
Facial bones & Cranium
49
How many bones are in the facial bones?
14
50
What is the lower jaw bone called?
Mandible (1)
51
The Mandible is:
the ONLY movable bone in skull/ holds teeth/ allow chewing
52
What is the upper jaw bone called?
Maxilla (2)
53
The Maxilla:
holds upper teeth & forms bottom of eye socket
54
What is the tip of nose called?
Vomer (1)
55
What is the cheek bone called?
Zygomatic (2)
56
The Zygomatic bones:
forms bottom of eye socket
57
What does the nasal bones (2) do?
forms "bridge" of nose
58
What does the Lacrimal bones (2) do?
forms inside part of eye socket
59
Where is the inferior nasal concha located?
beneath/below on inside of nasal cavity
60
What is the palatine bones (2)?
The back portion of nasal cavity & forms the bottom portion of eye socket.
61
What is the cranium?
Forehead, top, back & sides of skull
62
How many bones are in the cranium?
8 large flat bones
63
List 6 bones that made up the cranium:
Frontal, Parietal, Occipital, Temporal, Sphenoid, Ethmoid
64
The Frontal bone:
forms top of eye socket & forehead
65
The parietal bones (2):
is part of your head & top of head/sides
66
The occipital bone(1):
forms back & base of head
67
The temporal bones (2):
are the sides
68
The Sphenoid bone (1):
is in front of temporal bones & form sides of eye socket (butterfly/bat)
69
The Ethmoid bone (1):
enclosed & encased cranial bone located behind nasal cavity
70
At 24 months old, cranium bones are:
flexible & good for childbirth
71
At 24 months old, fixed joints:
stars forming into sutures

Sports Medicine 1 (4 decks)

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