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Muscles - Origin, Insertion & Action 2 > Muscles of the Scapula > Flashcards

Muscles of the Scapula Flashcards

1
Q

What is the technical name of the joint where the scapula meets the ribcage?

A

Scapulothoracic joint

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2
Q

What is the technical name of the shoulder blade?

A

Scapula

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3
Q

What are the possible movements of the scapula?

A 
Elevation
Depression
Protraction
Retraction
Upward rotation
Downward rotation
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4
Q

What is the name of the parts of the vertebrae that stick out to either side ?

A

Transverse processes

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5
Q

What is the name of the angled corner at the top of the scapula ?

A

Superior angle of the scapula

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6
Q

What does the word levator mean?

A

To lift

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7
Q

What is the insertion of levator scapulae?

A

Superior angle of the scapula

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8
Q

What is the origin of levator scapulae?

A

Transverse processes of vertebrae C1-C4

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9
Q

What are the two main actions of levator scapulae?

A

Elevation of the scapula

Downward rotation of the scapula

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10
Q

What is the name of the part of each vertebra that sticks out posteriorly?

A

Spinous processes of the vertebrae

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11
Q

What is the name of base of the horizontal ridge on the scapula?

A

Root of the spine of the scapula

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12
Q

What shape does the name rhomboids refer to?

A

A parallelogram

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13
Q

What is the name of the angled corner at the bottom of the scapula?

A

Inferior angle of the scapula

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14
Q

What is the name of the edge of the scapula that is closest to the midline of the body?

A

Medial border of the scapula

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15
Q

What is the insertion of the rhomboids major portion?

A

Vertebral border from the root of the spine of the scapula to the inferior angle

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16
Q

What is the origin of the rhomboids major portion?

A

Spinous processes T2-T5

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17
Q

What is the origin of rhomboids minor portion?

A

Spinous processes C7 and T1

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18
Q

What is the insertion of the rhomboids minor portion?

A

Root of the spine of the scapula

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19
Q

What are the two primary actions of the rhomboids?

A

Retraction (adduction) of the scapula

Downward rotation of the scapula

20
Q

What is the name of the bone at the back and the bottom of the skull?

A

Base of the occiput

21
Q

What is the name of the tendinous sheath at the nape of the neck?

A

Ligamentum nuchae

22
Q

What shape does the word trapezius refer to?

A

A trapezium

23
Q

What is the name of the portion of the collarbone farther away from the midline of the body?

A

Lateral clavicle

24
Q

What is the name of the projection of bone at the very edge of the shoulder?

A

Acromion process

25
Q

Where is the insertion of the upper portion of trapezius?

A

Lateral clavicle and acromion process

26
Q

Where is the insertion of the middle portion of trapezius?

A

Spine of the scapula

27
Q

Where is the insertion of the lower portion of trapezius?

A

Root of the spine of the scapula

28
Q

Where is the origin of the upper trapezius?

A

Base of the occiput, ligamentum nuchae, and spinous processes of vertebrae C1-C7

29
Q

Where is the origin of the middle section of the trapezius?

A

Spinous processes of vertebrae C7-T3

30
Q

Where is the origin of the lower trapezius?

A

Spinous processes T4-T12

31
Q

What is the action that all sections of trapezius contribute to?

A

Upward rotation of the scapula

32
Q

What action does the upper trapezius do?

A

Elevation of the scapula

33
Q

What action does the middle trapezius do?

A

Retraction (adduction) of the scapula

34
Q

What action does the lower trapezius do?

A

Depression of the scapula

35
Q

What is the name of the edge of the shoulder blade closer to the midline of the body?

A

Medial border of the scapula

36
Q

What is the name of the corner of the scapula closest to the head?

A

Superior angle of the scapula

37
Q

What does the word serratus mean?

A

To saw

38
Q

What is the name of the corner of the scapula farthest from the head?

A

Inferior angle of the scapula

39
Q

What is the insertion of the serratus anterior?

A

Medial border of the scapula

40
Q

What is the origin of the serratus anterior?

A

Surface of the upper 8 or 9 ribs

41
Q

What are the actions of serratus anterior?

A

Protraction of the scapula
Stabilization of the scapula to the rib cage
Assists in upward rotation of the scapula

42
Q

What is the name for the beak-like projection on the front of the scapula?

A

Coracoid process

43
Q

What muscle does pectoralis minor lie deep to?

A

Pectoralis major

44
Q

What is the insertion of pectoralis minor?

A

Coracoid process

45
Q

What is the origin of pectoralis minor?

A

Ribs 3, 4, and 5

46
Q

What are the three actions of pectoralis minor?

A

Depression of the scapula
Downward rotation of the scapula
Protraction (abduction) of the scapula

Muscles - Origin, Insertion & Action 2 (3 decks)

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