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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
Q

What do spine do?

A

Shock absorber, prevents shock, encases spinal cord

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26
Q

How long is the spine?

A

Skull to pelvis

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27
Q

What are some functions of the spine?

A

Holds head & body upright, allows bend & twist, protect spinal cord

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28
Q

How many sections are in the Vertebral column?

A

5 sections

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29
Q

What is another term for neck?

A

Cervical vertebrae

30
Q

How many bones are in the cervical vertebrae?

A

7

31
Q

What are some functions of the cervical vertebrae?

A

Support head & neck, Allows nodding & head shaking

32
Q

How is the cervical vertebrae labeled?

A

C1,C2,C3,C4,C5,C6,C7

33
Q

What is another term for the trunk bones(vertebral column)?

A

Thoracic vertebrae

34
Q

How many bones are in the thoracic vertebrae?

A

12

35
Q

What are some functions of the thoracic vertebrae?

A

Attachments for rib, Allows twisting/turning

36
Q

How is thoracic vertebrae labeled?

A

T1,T2,T3….T12

37
Q

What is another term for the lower back?

A

Lumbar vertebrae

38
Q

How many bones are in the lumbar vertebrae?

A

5

39
Q

What are some functions of the lumbar vertebrae?

A

Carry upper body weight & provides stable center of gravity (core) when moving

40
Q

How is lumbar vertebrae labeled?

A

L1,L2,L3,L4,L5

41
Q

What is the Sacrum?

A

5 FUSED vertebrae

42
Q

What are some functions of the Sacrum?

A

Forms back wall of pelvic girdle & join 2 coxal bones posteriorly

43
Q

What is another term for the tailbone?

A

Coccyx

44
Q

What is the coccyx?

A

4 FUSED vertebrae

45
Q

The coccyx:

A

Forms back wall of pelvic girdle

46
Q

What is another term for the head?

A

Skull

47
Q

How many sets of bones are in the skull?

A

2 sets

48
Q

What are the 2 sets of bones in the skull?

A

Facial bones & Cranium

49
Q

How many bones are in the facial bones?

A

14

50
Q

What is the lower jaw bone called?

A

Mandible (1)

51
Q

The Mandible is:

A

the ONLY movable bone in skull/ holds teeth/ allow chewing

52
Q

What is the upper jaw bone called?

A

Maxilla (2)

53
Q

The Maxilla:

A

holds upper teeth & forms bottom of eye socket

54
Q

What is the tip of nose called?

A

Vomer (1)

55
Q

What is the cheek bone called?

A

Zygomatic (2)

56
Q

The Zygomatic bones:

A

forms bottom of eye socket

57
Q

What does the nasal bones (2) do?

A

forms “bridge” of nose

58
Q

What does the Lacrimal bones (2) do?

A

forms inside part of eye socket

59
Q

Where is the inferior nasal concha located?

A

beneath/below on inside of nasal cavity

60
Q

What is the palatine bones (2)?

A

The back portion of nasal cavity & forms the bottom portion of eye socket.

61
Q

What is the cranium?

A

Forehead, top, back & sides of skull

62
Q

How many bones are in the cranium?

A

8 large flat bones

63
Q

List 6 bones that made up the cranium:

A

Frontal, Parietal, Occipital, Temporal, Sphenoid, Ethmoid

64
Q

The Frontal bone:

A

forms top of eye socket & forehead

65
Q

The parietal bones (2):

A

is part of your head & top of head/sides

66
Q

The occipital bone(1):

A

forms back & base of head

67
Q

The temporal bones (2):

A

are the sides

68
Q

The Sphenoid bone (1):

A

is in front of temporal bones & form sides of eye socket (butterfly/bat)

69
Q

The Ethmoid bone (1):

A

enclosed & encased cranial bone located behind nasal cavity

70
Q

At 24 months old, cranium bones are:

A

flexible & good for childbirth

71
Q

At 24 months old, fixed joints:

A

stars forming into sutures

Sports Medicine 1 (4 decks)

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