Muscles of the Head and Neck Flashcards

(71 cards)

1
Q

Proximal Attachment of Temporalis

A

Temporal Fossa of Skull

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2
Q

Distal Attachment of Temporalis

A

Coronoid Process of Mandible

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3
Q

Action of Temporalis

A

Elevates and Retracts Mandible

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4
Q

Proximal Attachment of Frontalis

A

Cranial Aponeurosis

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5
Q

Distal Attachment of Frontalis

A

Skin of Forehead

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6
Q

Action of Frontalis

A

Raises eyebrows and skin of forehead

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7
Q

Proximal Attachment of Masseter

A

Zygomatic Arch

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8
Q

Distal Attachment of Masseter

A

Ramus of Mandible

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9
Q

Action of Masseter

A

Elevates Mandible

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10
Q

Proximal Attachment of Sternocleidomastoid

A

Medial portion of clavical/top of sternum

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11
Q

Distal Attachment of Sternoclidomastoid

A

Mastoid process of skull

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12
Q

Action of Sternocleidomastoid (Unilateral contraction)

A

Contralateral rotation of cervical, ipsilateral cervical flexion

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13
Q

Action of Sternocliedomastoid (Bilateral contraction)

A

Cervical flexion, elevation of sternum and assists in forced inhalation

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14
Q

Proximal Attachment of Splenius Capitus

A

Spinous processes of vertebrae C7-T3, nuchal ligament

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15
Q

Distal Attachment of Splenius Capitus

A

Lateral superior nuchal line of occipital bone, mastoid process of temporal bone

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16
Q

Process

A

Any projection or bump on a bone

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17
Q

Ramus

A

An extension of a bone making an angle to the rest of the structure

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18
Q

Trochanter

A

A large, rough projection of bone

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19
Q

Tuberosity

A

A Rough projection of bone

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20
Q

Tubercle

A

A small, rounded projection of bone

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21
Q

Crest

A

A prominent ridge of bone

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22
Q

Line

A

A low ridge of bone

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23
Q

Spine

A

A pointed process

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24
Q

Head

A

The expanded, articular head of an epiphysis

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25
Neck
The narrower connection between the epiphysis and diaphysis
26
Condyle
A smooth, rounded, articular process
27
Trochlea
A smooth, grooved, articular process shaped like a pulley
28
Facet
A small, flat articular surface
29
Fossa
A shallow depression in bone
30
Sculus
A narrow groove in bone
31
Foramen
A narrow passageway in bone for blood vessels and nerves
32
Fissure
An elongated cleft in bone
33
Meatus or Canal
A passageway through the substance of a bone
34
Sinus or Antrum
A chamber within a bone, normally filled with air
35
Action of Splenius Capitus (Unilateral)
lateral flexion of the head and neck and ispilateral rotation of the head
36
Action of Splenius Capitus (Bilateral)
Extension of the head and cervical spine
37
Cartilage
Soft, gel-like padding between bones that protects joints
38
Epiphysis
Enlarged, wide end of a long bone
39
Diaphysis
Shaft of long bone
40
Tendon
A cord of strong, flexible tissue that connects muscle belly to bone
41
Ligament
Very tough band of tissue that connects bone to bone and provides stability to joints within the body
42
Metaphysis
Region between diaphysis and epiphysis
43
Epiphysial line
In adults, point of fusion between epiphysis and metaphysis
44
Periosteum
connective tissue that surrounds the external bone surface
45
Medullary cavity
the hollow space within the diaphysis that contains fatty yellow marrow in adults.
46
Endosteum
a thin connective tissue membrane that lines the medullary cavity.
47
Osteocyte
Mature bone cell
48
Osteoblast
These cells are responsible for the production of new, healthy bone tissue - a process called Osteogenesis.
49
Osteoclast
Osteoclasts resorb damaged or old bone cells during periods of growth or repair. They are also crucial in returning Calcium from bone to the bloodstream.
50
Osteogenic Cell
These cells are a type of stem cell that can differentiate to form Osteoblasts. The ability to produce additional Osteoblasts becomes important when bone is cracked or broken
51
Concentric contraction
Shortening contraction of a muscle
52
Eccentric Contraction
Lengthening contraction of a muscle
53
Isometric Contraction
Static contraction of a muscle
54
Proximal Attachment of Superior trapezius
Medial third of the superior nuchal line, external occipital protuberance, nuchal ligament
55
Distal Attachment of Superior Trapezius
Lateral Clavicle
56
Action of Superior Trapezius
Elevates scapula, extension & lateral flexion of neck
57
Proximal Attachment of Middle Trapezius
T1-T12 Vertebrae (Spinous Processes)
58
Proximal Attachment of Inferior Trapezius
T1-T12 Vertebrae (Spinous Processes)
59
Distal Attachment of Middle Trapezius
Acromion Process of Scapula
60
Distal Attachment of Inferior Trapezius
Spine of Scapula
61
Action of Middle Trapezius
Retracts Scapula
62
Action of Inferior Trapezius
Depresses Scapula
63
Proximal Attachment of Levator Scapula
Transverse Processes C1 - C4
64
Distal Attachment of Levator Scapula
Superior Angle of Scapula
65
Action of Levator Scapula
Elevates Scapula. Lateral Flexion and Extension of neck.
66
Proximal Attachment of Rhomboids Major
Spinous process of vertebrae T2-T5
67
Distal Attachment of Rhomboids Major
Medial border of scapula
68
Action of Rhomboids Major
Draws scapula superomedially, Rotates glenoid cavity inferiorly; Supports position of scapula
69
Proximal Attachment of Rhomboids Minor
Nuchal ligament, Spinous processes of vertebrae C7-T1
70
Distal Attachment of Rhomboids Minor
Medial spine of scapula
71
Action or Rhomboids Minor
Draws scapula superomedially, Rotates glenoid cavity inferiorly; Supports position of scapula