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Helena Harrison > skeletal system > Flashcards

skeletal system Flashcards

1
Q

Axial

A

80 bones

head, vertebrae, ribcage

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2
Q

Appendicular

A

126 bones
limbs, pelvis
movement

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3
Q

total bones in body

A

206

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4
Q

skeletal system FUNCTION

A

support facilitates movement
protects organs
Allows muscles to move

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5
Q

5 classifications of bones

A 
epiphysis
diaphysis
articular
periosteum
medullary
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6
Q

epiphysis

A

END

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7
Q

diaphysis

A

SHAFT

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8
Q

articular cartilage

A

PADDING

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9
Q

periosteum

A

covers entire bone

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10
Q

medullary cavity

A

hollow chamber filled with bone marrow

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11
Q

function of red bone marrow

A

carry oxygen to the lungs and organs

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12
Q

function of yellow bone marrow

A

aids in the storage of fats in cells called adipocytes.

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13
Q

compact bone tissue

A

provides protection and strength to bones

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14
Q

spongy bone tissue

A

structural support & flexibility without the weight of compact bone
found in most areas of bone not subject to great mechanical stress

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15
Q

hinge joint

A

elbow

bending & straightening

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16
Q

saddle joint

A

thumb

one concave one convex

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17
Q

planar (plane) joint

A

in hands

slide over each other

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18
Q

pivot joint

A

allows only rotary movement around a single axis

wrist

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19
Q

condyloid joint

A

knuckles

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20
Q

ball and socket joint

A

hip
joint in which the rounded surface of a bone moves within a depression on another bone, allowing greater freedom of movement than any other kind of joint.

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21
Q

protraction

A

movement of ‘reaching out’ to something

shoulders

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22
Q

retraction

A

posterior medial movement of the scapula on the thoracic wall
causes the shoulder region to move posteriorly
picking something up

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23
Q

depression

A

These movements are used to shrug your shoulders

downward movement of scapula

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24
Q

elevation

A

upward movement of scapula

25
Q

supination

A

the opposite motion

moving your ankle outwards

26
Q

pronation

A

palm backwards position

27
Q

Plantar flexion

A

standing on toes

28
Q

dorsiflexion

A

standing on heels

29
Q

opposition

A

thumb movement that brings the tip of the thumb in contact with the tip of a finger

30
Q

reposition

A

Returning the thumb to its anatomical position

31
Q

circumduction

A

arms creating outwards cone shape

32
Q

adduction

A

towards body

33
Q

abduction

A

away from body

34
Q

How many bones in the cranium?

A

8

1 more than number of letters

35
Q

What is the only movable object in the skull?

A

mandible

jaw

36
Q

Fiver vertebral regions (superior to inferior)

A

cervical, thoracic, lumbar, sacrum, coccyx

37
Q

How many vertebrae in CERVICAL?

A

7

1 less that letters

38
Q

How many vertebrae in THORATIC?

39
Q

How many vertebrae in LUMBAR?

40
Q

Scolios

A

abnormal, lateral curve in spine

41
Q

Kyphosis

A

hunchback, curvature of thoracic

42
Q

Lordosis

43
Q

what does THORACIC CAGE protect?

A

heart & lungs

44
Q

costal cartiliage

A

contribute to the elasticity of the walls of the thorax

found at anterior ends of the ribs

45
Q

TYPES OF RIBS

A

False & true

46
Q

false ribs

A

attach to sternum using costal cartilage

47
Q

true ribs

A

last 5 pairs

do not attach to sternum

48
Q

Pectoral girdle

A

scapula, clavicle

49
Q

humerus

50
Q

radius

A

outer forearm bone

51
Q

ulna

A

inner forearm bone

52
Q

carpals

A

dots in wrist

53
Q

metacarpals

A

proximal to wrist

54
Q

phalanges

A

finger tips

55
Q

femur

56
Q

tibia

A

supportive leg bone

57
Q

fibula

A

thin leg bone

58
Q

tarsals

59
Q

metarsals

A

bones in foot

Helena Harrison (9 decks)

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