Chapter 8 Flashcards

1
Q

Appendicular Skeleton

A

bones of the extremities and shoulder and pelvic girdles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Pectoral Girdle

  • definition
  • 2 parts
A
  • (shoulder) attaches bones of the upper extremities to the axial skeleton
    1. Clavicle
      1. Scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Clavicle

  • Number of bones
  • description
  • 2 articulations
A
  • 2
  • collarbone, slender S-shaped bone
    1. Sternoclavicular joint
      1. Acromioclavicular joint
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sternoclavicular joint

A

Clavicle articulates medially with the manubrium of the sternum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Acromioclavicular joint of the clavicle

A

clavicle articulates laterally with the acromion process of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Scapula

  • number of bones
  • description
  • 5 special features
  • 2 articulations
A
  • 2
  • shoulder blade; flat triangular bone in dorsal thorax
    1. Borders
      1. Spine
      2. Acromion process
      3. coracoid process
      4. Glenoid cavity
    1. Acromioclavicular joint
      1. Shoulder joint
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Borders of the scapula

A
  • superior
  • medial (vertebral)
  • lateral (axillary)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Spine of the scapula

A

Sharp diagonal ridge on posterior surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Acromion process

A

Expanded process at lateral end of spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Coracoid process

A

Hook-like process on lateral end of superior border

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Glenoid cavity

A

Depression below acromion (arm socket)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Upper extremity

A
  • Humerus
  • ulna
  • radius
  • carpals
  • metacarpals
  • phalanges
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Humerus

  • number of bones
  • description
A
  • 2

- long bone of upper arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Proximal features of the humerus

-4

A
  1. Head
  2. Greater tubercle
  3. Lesser tubercle
  4. Deltoid tuberosity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Head of the humerus

A

rounded enlargement at proximal end

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Greater tubercle of the humerus

A

lateral projection distal to head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

lesser tubercle of the humerus

A

projection on anterior surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

deltoid tuberosity of the humerus

A

roughened area along middle of shaft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Distal features of the humerus

-5

A
  1. Medial and lateral epicondyles
  2. capitulum
  3. Trochelea
  4. Coronoid fossa
  5. Olecranon fossa
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Medial and lateral epicondyles

A

Rough projections on either side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Capitulum

A

rounded knob below lateral epicondyle on anterior surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Trochelea

A

pulley-like process on anterior surface

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Coronoid fossa

A

Depression on anterior surface above trochelea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Olecranon fossa

A

depression on posterior surface above trochelea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Proximal articulation of humerus

A

humerus articulates with glenoid cavity of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Distal articulation of humerus

  • capitulum
  • trochelea
A
  • capitulum of humerus articulates with head of radius

- trochelea of humerus articulates with ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Ulna

  • number of bones
  • description
A
  • 2

- medial bone of forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Proximal features of the ulna

-3

A
  1. olecranon process
  2. Coronoid process
  3. Radial notch
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Olecranon process

A

Superior process that forms point of elbow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Coronoid process

A

Anterior projection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Radial notch

A

Lateral depression

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Distal features of the ulna

-2

A
  1. head

2. Styloid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Styloid process of the ulna

A

short pointed process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Proximal articulation of the ulna

A

coronoid process and olecranon process articulate with the trochelea of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Distal articulation of the ulna

A

ulna articulates with the carpals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Radius

  • number of bones
  • description
A
  • 2

- small lateral bone of the forearm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Proximal features of the radius

A

Head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Head of the radius

A

Flat, disc shaped process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Distal features of the radius

A

Styloid process

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Styloid process of the radius

A

Pointed lateral projection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Proximal articulation of the radius

A
  • head of radius articulates with capitulum of humerus

- head of radius articulates with radial notch of ulna

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Distal articulation of the radius

A

Radius articulates with carpals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Carpals

  • number of bones
  • description
A
  • 16 (8 on each hand)

- 2 rows of 4 bones each (wrist)

44
Q

Proximal articulation of the carpals

A

Carpals articulate with the radius and ulna

45
Q

Distal articulation of the carpals

A

Carpals articulate with metacarpals

46
Q

Meta carpals

  • number of bones
  • description
A
  • 10

- long bones forming palm

47
Q

Proximal articulation of the metacarpals

A

Metacarpals articulate with carpals

48
Q

Distal articulation of the metacarpals

A

articulates with proximal phalanges of fingers

49
Q

Phalanges

  • number of bones
  • description
  • proximal articulation
A
  • 28
  • bones of the fingers; 3 per finger and 2 per thumb
  • Proximal phalanges of fingers articulate with metacarpals
50
Q

Pelvic girdle

A

Attach bones of lower extremities to the axial skeleton

51
Q

Hip bone

  • number of bones
  • description
  • fusion of what 3 bones
  • 2 special features
A
  • 2
  • hip bones
  • illium, ishium, and pubis
  • Acetabulum and obturator foramen
52
Q

Illium

A

flat flaring superior region

53
Q

Ishium

A

lower posterior portion

54
Q

Pubis

A

Medial anterior portion

55
Q

Acetabulum

A
  • hip socket

- depression where illium, ishium and pubic bone have fused

56
Q

Obturator foramen

A
  • large hole

- covered by fibrous membrane in body

57
Q

Anterior articulation of the hip bone

A

Pubic symphysis

58
Q

Pubic Symphysis

A

anterior joint between pubic bones

59
Q

Posterior articulation of the hip bone

A

Sacroiliac joint

60
Q

Sacroiliac joint

A

ilia articulate posterior with the sacrum

61
Q

Lateral articulation of the hip bone

A

Hip joint

62
Q

hip joint

A

Acetabulum of hip bone articulates with the head of the femur

63
Q

Pelis

A

Basin-like structure formed by the union of the hip bones with the sacrum and coccyx

64
Q

Male pelvis

A
  • increased curvature of sacrum and coccyx = makes pelvic outlet smaller
  • less than 90
65
Q

Female pelvis

A
  • enlarged pelvic outlet ilia project more laterally

- greater than 100

66
Q

Lower extremity

-7

A
  1. femur
  2. patella
  3. tibia
  4. fibula
  5. tarsals
  6. metatarsals
  7. phalanges
67
Q

Femur

  • number of bones
  • description
A
  • 2

- thigh bone

68
Q

Proximal features of the femur

-6

A
  1. Head
  2. Fovea Capitis
  3. neck
  4. Greater trochanter
  5. lesser trochanter
  6. Linea Aspera
69
Q

Head of the femur

A

Rounded upper end

70
Q

Fovea Capitis

A

small pit in head

71
Q

Greater trochanter

A

large process lateral to head

72
Q

Lesser trochanter

A

small process medial to head

73
Q

Linea aspera

A

Sharp ridge on posterior surface

74
Q

Distal features of the femur

-1

A

medial and lateral condyles

75
Q

Medial and lateral condyles of the femur

A

expanded processes

76
Q

Proximal articulations of the femur

A

head of femur articulates with the acetabulum of the hip bone

77
Q

Distal articulations of the femur

A
  • medial and lateral condyles of femur articulate with tibia

- medial and lateral condyles articulate with posterior surface of patella

78
Q

Patella

  • number of bones
  • definition
  • shape
  • type of bone
  • articulation
A
  • 2
  • knee cap
  • small triangular bone
  • a sesmoid bone embedded in the tendon of the quadriceps femoris muscle group
  • articulates with medial and lateral condyles of the femur
79
Q

Tibia

  • number of bones
  • description
A
  • 2

- shinbone, large medial bone of leg

80
Q

Proximal feature of the tibia

-3

A
  1. Medial and lateral condyles
  2. tibial tuberosity
  3. anterior crest
81
Q

Medial and lateral condyles of the tibia

A

Large bulging processes at proximal end

82
Q

Tibial tuberosity

A

rough region between medial and lateral condyles

83
Q

Anterior crest of tibia

A

sharp vertical ridge on anterior surface

84
Q

Distal feature of the tibia

A

Medial malleolus

85
Q

Medial Malleolus of the tibia

A

sharp medial process

86
Q

Proximal articulation of the tibia

A
  • Medial and lateral condyles srticulate with medial and lateral condyles of the femur
  • tibia articulates with fibula
87
Q

Distal articulation of the tibia

A
  • tibia articulates with the fibula

- tibia articulates with tarsal bone

88
Q

Fibula

  • number of bones
  • description
A
  • 2

- thin lateral bone of lower leg

89
Q

Proximal features of the fibula

A

Head

90
Q

Distal features of the fibula

A

Lateral malleolus

91
Q

Proximal articulation of the fibula

A

Head of the fibula articulates with later condyle of tibia below the knee

92
Q

Distal articulation of the fibula

A
  • Lateral malleolus of ibula articulates with talus (tarsal)

- fibula articulates with tibia

93
Q

Tarsals

  • number of bones
  • description
A
  • 14

- ankle bones

94
Q

2 ankle bones

A
  1. talus

2. Calcaneous

95
Q

Talus

A

superior bone

96
Q

Calcaneous

A

heel bone

97
Q

Proximal articulation of the tarsals

A

talus articulates with the tibia and fibula

98
Q

Distal articulation of the tarsals

A

tarsals articulate with the metatarsals

99
Q

Metatarsals

  • number of bones
  • description
A
  • 10

- instep; long bone of foot

100
Q

Proximal articulation of the metatarsals

A

metatarsals articulate with tarsals

101
Q

Distal articulation of the metatarsals

A

metatarsals articulate with phalanges

102
Q

Phalanges

  • number of bones
  • description
  • proximal articulation
A
  • 28
  • toe bones; 2 per big toe and 3 per other toes
  • phalanges articulate with proximal metatarsals
103
Q

Arches of foot

  • how many arches
  • what are they held by
A
  • 2

- tendon and ligament

104
Q

2 types of arches in foot

A
  1. Longitudinal

2. Transverse

105
Q

Longitudinal arch

A

From calcaneous to distal end of metatarsals

106
Q

Transverse arch

A

Follows joints between tarsals and metatarsals

107
Q

What purpose do the arches of the foot serve?

-3 functions

A
  1. Shock absorption
  2. Balance
  3. Transfer of weight when walking