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SCT1 Anatomy Midterm Exam > Muscles Connecting Upper Limb to The Spine > Flashcards

Muscles Connecting Upper Limb to The Spine Flashcards

1
Q

Name the 3 trapezius muscles connecting the upper limb to the spine.

A 
UPPER TRAPEZIUS
\+
MIDDLE TRAPEZIUS
\+
LOWER TRAPEZIUS
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2
Q

Which muscles would the acronyms LD, R, and LS refer to in regard to connections of upper limb to spine?

A 
LATISSIMUS DORSI
\+
RHOMBOIDS
\+
LEVATOR SCAPULA
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3
Q

Superior attachment:
MIDDLE 1/3RD OF THE SUPERIOR NUCHAL LINE, EXTERNAL OCCIPITAL PROTUBERANCE (INION) TO THE C7 SP VIA THE NUCHAL LIGAMENT

Inferior/lateral attachment:
LATERAL CLAVICLE, ACROMION

Actions:
- HEAD / NECK FIXED -
S - T ELEVATION, 
S - T UPWARD ROTATION
- SCAPULA FIXED -
HEAD / NECK EXTENSION
HEAD / NECK IPSILATERAL LATERAL FLEXION
HEAD / NECK CONTRALATERAL ROTATION
A

UPPER TRAPEZIUS

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4
Q

What is the fiber direction of upper trapezius?

A

SUPEROMEDIAL
or
INFEROLATERAL

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5
Q

Medial attachment:
C7 - T5 SPs

Lateral attachment:
SUPERIOR LIP OF THE SPINE OF THE SCAPULA

Action:
S - T RETRACTION

A

MIDDLE TRAPEZIUS

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6
Q

Medial attachment:
T6 - T12 SPs

Lateral attachment:
MEDIAL END OF THE SPINE OF THE SCAPULA
(ROOT OF THE SPINE)

Action:
S - T DEPRESSION
S - T UPWARD ROTATION

A

LOWER TRAPEZIUS

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7
Q

What is the long list of actions of upper trapezius?

HINT
2 actions with head/neck fixed, 3 actions with scapula fixed

A 
- HEAD / NECK FIXED -
S - T ELEVATION, 
S - T UPWARD ROTATION
- SCAPULA FIXED -
HEAD / NECK EXTENSION
HEAD / NECK IPSILATERAL LATERAL FLEXION
HEAD / NECK CONTRALATERAL ROTATION
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8
Q

What is the superior attachment for upper trapezius?

A

MIDDLE 1/3RD OF THE SUPERIOR NUCHAL LINE, EXTERNAL OCCIPITAL PROTUBERANCE (INION) TO THE C7 SP VIA THE NUCHAL LIGAMENT

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9
Q

What is the inferior/lateral attachment for upper trapezius?

A

LATERAL CLAVICLE, ACROMION

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10
Q

What is the action performed by middle trapezius?

A

S - T RETRACTION

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11
Q

What is the medial attachment for middle trapezius?

A

C7 - T5 SPs

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12
Q

What is the lateral attachment for middle trapezius?

A

SUPERIOR LIP OF THE SPINE OF THE SCAPULA

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13
Q

What are the 2 actions performed by lower trapezius?

A

S - T DEPRESSION

S - T UPWARD ROTATION

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14
Q

What is the medial attachment for lower trapezius?

A

T6 - T12 SPs

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15
Q

What is the lateral attachment for lower trapezius?

A

MEDIAL END OF THE SPINE OF THE SCAPULA

ROOT OF THE SPINE

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16
Q

What is the fiber direction of lower trapezius?

A

SUPEROLATERAL
or
INFEROMEDIAL

17
Q

Inferior/medial attachment:
SP T6 - ILIAC CREST, LUMBAR AND SACRAL VERTEBRAE VIA THE THORACOLUMBAR FASCIA, RIBS 9 - 12, INFERIOR ANGLE OF THE SCAPULA

Superior/lateral attachment:
FLOOR OF THE BICIPITAL GROOVE

Actions:
G - H INTERNAL ROTATION
G - H EXTENSION
G - H ADDUCTION

A

LATISSIMUS DORSI

18
Q

What are the 3 actions performed by latissimus dorsi?

A

G - H INTERNAL ROTATION
G - H EXTENSION
G - H ADDUCTION

19
Q

What is the inferior medial attachment for latissimus dorsi?

A

SP T6 - ILIAC CREST, LUMBAR AND SACRAL VERTEBRAE VIA THE THORACOLUMBAR FASCIA, RIBS 9 - 12, INFERIOR ANGLE OF THE SCAPULA

20
Q

What is the superior lateral attachment for latissimus dorsi?

A

FLOOR OF THE BICIPITAL GROOVE

21
Q

Medial attachment:
SP C7 - T5

Lateral attachment:
ROOT OF THE SPINE OF THE SCAPULA TO THE INFERIOR ANGLE OF THE SCAPULA

Actions:
S - T RETRACTION
S - T DOWNWARD ROTATION
S - T ELEVATION
HELPS SERRATUS ANTERIOR HOLD SCAPULA AGAINST THE RIBS
A

RHOMBOIDS

22
Q

The rhomboids are _____ to trapezius.

A

DEEP

23
Q

What is the fiber direction of the rhomboids from the spine to the medial scapula?

A

INFEROMEDIAL

24
Q

What does S - T stand for?

A

SCAPULO THORACIC

25
Q

What are the actions performed by the rhomboids?

A

S - T RETRACTION
S - T DOWNWARD ROTATION
S - T ELEVATION
HELPS SERRATUS ANTERIOR HOLD SCAPULA AGAINST THE RIBS

26
Q

What is the medial attachment for the rhomboids?

A

SP C7 - T5

27
Q

What is the lateral attachment for the rhomboids?

A

ROOT OF THE SPINE OF THE SCAPULA TO THE INFERIOR ANGLE OF THE SCAPULA

28
Q

Superior attachment:
TVP C 1 - 4

Inferior attachment:
SUPERIOR ANGLE TO THE ROOT OF THE SPINE OF THE SCAPULA

Actions:
- HEAD / NECK FIXED -
S - T ELEVATION
S - T DOWNWARD ROTATION
- SCAPULA FIXED -
HEAD / NECK EXTENSION (WHEN BILATERALLY CONTRACTING)
HEAD / NECK IPSILATERAL LATERAL FLEXION
HEAD / NECK IPSILATERAL ROTATION
A

LEVATOR SCAPULA

29
Q

Which muscle is related to a ‘kink in the neck’?

*** $$$

A

LEVATOR SCAPULA

SCT1 Anatomy Midterm Exam (29 decks)

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