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Exam 2 gross- Upper limb > Trapezius, levator scapulae, rhomboids > Flashcards

Trapezius, levator scapulae, rhomboids Flashcards

1
Q

Origin of descending trapezius?

A

Occipital bone; spinous process of C1-C7

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2
Q

Insertino of descending trapezius?

A

lateral one-third of clavicle

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3
Q

Innervation of trapezius?

A 
Accessory Nerve (CN XI)
(C3-C4 of cervical plexus)
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4
Q

Action of descending trapezius?

A

Draws scapular obliquely upward
Rotates glenoid cavity superiorly
Tilts head to same side and rotates it to opposite

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5
Q

Origin of transverse trapezius?

A

Aponeurosis at T1-T4 spinous processes

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6
Q

Insertion of Transverse trapezius?

A

Acromion

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7
Q

Action of transverse trapezius?

A

Draws scapula medially

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8
Q

Origin of ascending trapezius?

A

Spinous process of T5-T12

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9
Q

Insertion of ascending trapezius?

A

Scapular spine

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10
Q

Action of ascending trapezius?

A

Draws scapula medially downward

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11
Q

Action of ENTIRE trapezius muscle?

A

Steadies scapula on thorax

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12
Q

Origin of Levator scapulae?

A

Transverse process of C1-C4

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13
Q

Insertion of levator scapulae?

A

Scapular (superior angle)

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14
Q

Innervation of levator scapulae, rhomboid minor, rhomboid major?

A

Dorsal scapular nerve

C4-C5

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15
Q

Action of levator scapulae?

A

Draws scapula medially upward while moving inferior angle medially
Inclines neck to same side

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16
Q

Origin of rhomboid minor?

A

Spinous processes

C7, T1

17
Q

Insertion of rhomboid minor?

A

Medial border of scapula, at/superior to spine of scapula

18
Q

Action of rhomboids major/minor?

A

Steadies scapula

Draws scapula medially upward

19
Q

Origin of rhomboid major?

A

SPinous process of T2-T5

20
Q

Insertion of rhomboid major?

A

Medial border of scapula, below scapular spine

21
Q

3 parts of trapezius?

A

Ascending, descending, transverse

Exam 2 gross- Upper limb (23 decks)

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