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CAPS 391 (14) Muscles: Trunk > Back > Flashcards

Back Flashcards

1
Q

What are the two groups of muscles of the back?

A

1) superficial muscles

2) deep muscles

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2
Q

What are the superficial muscles?

A

1) trapezius
2) latissimus dorsi
3) levator scapulae
4) rhomboid minor
5) rhomboid major

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3
Q

O: Trapezius

A

Occipital bone, spinous process of all cervical and thoracic vertebrae

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4
Q

I: Trapezius

A

clavicle, acromion, and spine of scapula

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5
Q

F: Trapezius

A

elevation, depression and retraction (adduction of scapula)

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6
Q

N: Trapezius

A

CN 11

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7
Q

What is the broadest muscle in the human body?

A

Latissimus dorsi

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8
Q

O: Latissimus dorsi

A

lower thoracic, all lumbar vertebrae, sacral and iliac crests

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9
Q

I: Latissimus dorsi

A

intertubercular groove of the humerus

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10
Q

F: Latissimus dorsi

A

prime mover for extension of the femoral/humoral (shoulder) joint

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11
Q

N: Latissimus dorsi

A

brachial plexus (thoracodorsal plexus)

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12
Q

O: Levator scapulae

A

upper cervical vertebrae

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13
Q

I: Levator scapulae

A

superior angle of scapula

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14
Q

F: Levator scapulae

A

elevation of the scapula

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15
Q

N: Levator scapulae

A

branch of brachial plexus

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16
Q

Rhomboid minor

A

Q

17
Q

O: Rhomboid major

A

thoracic vertebrae

18
Q

I: Rhomboid major

A

medial border of scapula

19
Q

F: Rhomboid major

A

retraction and elevation of scapula

20
Q

N: Rhomboid major

A

branch of brachial plexus

21
Q

What are the deep muscles of the back?

A

1) erector spinae

2) transversospinalis

22
Q

What are the bundles that make up the erector spinae? (3)

A

1) iliocostalis
2) longissimus
3) spinalis

23
Q

O: Erector spinae

A

ribs, transverse processes, articular processes and spinous processes of vertebrae

24
Q

I: Erector spinae

A

ribs, transverse processes, and spinous processes of vertebrae

25
Q

F: Erector spinae

A

erects/straightens/extends spine

26
Q

N: Erector spinae

A

dorsal rami of spinal nerve

27
Q

What are the bundles that make up the transversospinalis? (3)

A

1) multifidus
2) semispinalis
3) rotatores

28
Q

O: Transversospinalis

A

transverse and spinous process of vertebrae

29
Q

I: Transversospinalis

A

spinous processes of vertebrae

30
Q

F: Transversospinalis

A

stabilising vertebral column, rotation of vertebral column

31
Q

N: Transversospinalis

A

dorsal rami of spinal vertebrae

32
Q

What is the prime mover for the extension of the femoral/humeral joint?

A

Latissimus dorsi

CAPS 391 (14) Muscles: Trunk (5 decks)

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