Back Flashcards

1
Q

muscles which connect the upper limbs to the trunk

A

superficial

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2
Q

accessory respiratory muscles are the – layer

A

intermediate

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3
Q

move the vertebral column are the – layer

A

deep

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4
Q

superficial layer supplied by – nerves

A

ventral rami

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5
Q

intermediate layer supplied by – nerves

A

ventral rami

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6
Q

deep layer supplied by – nerves

A

dorsal rami

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7
Q

extrinsic muscles

A

superficial and intermediate

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8
Q

4 superficial extrinsic back muscles

A

trapezius, latissimus dorsi, rhomboids, and levator scapulae

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9
Q

most superficial of the superficial back muscles

A

trapezius

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10
Q

trapezius is located in –, shoulder and upper back region

A

posterior neck

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11
Q

large, fan-shaped muscle of mid and lateral back

A

latissimus dorsi

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12
Q

lat dorsi is inferior to and partially – by the trapezius

A

overlapped

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13
Q

rhomboids are – to trapezius

A

deep

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14
Q

rhomboids are – to lev scapulae

A

inferior

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15
Q

levator scapulae is – to trapezius

A

deep

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16
Q

2 intermediate back muslces

A

serratus posterior superior and serratus posterior inferior

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17
Q

serratus posterior superior – ribs

A

elevate

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18
Q

serratus posterior inferior – ribs

A

depresses

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19
Q

deep or true back muscles are considered to be – muscles of the back

20
Q

clinically all of these true deep back muscles are collectively called –

A

paraspinals

21
Q

superficial layer of deep back muscles

A

splenius muscles

22
Q

intermediate layer of deep back muscles

A

erector spinae muscles

23
Q

deep layer of deep back muscles

A

transversospinalis muscles

24
Q

– surrounds and covers deep back muscles

A

thoracolumbar fascia

25
thoracolumbar fascia is a dense -- tissue
connective
26
the superficial layer of intrinsic back muscles includes these two muscles
splenius capitis and splenius cervicis
27
splenius muscles are -- to trapezius and serratus posterior superior
deep
28
alone a splenius muscle laterally bends and -- to the side of the active muscles
rotate the head
29
together the splenius muscles --
extend the head and neck
30
splenius muscles are innervated by --
dorsal rami of cervical nerves
31
bilaterally, the erector spinae muscle extend --
vertebral column and head
32
unilaterally, the erector spinae muscle -- vertebral column
bend
33
3 fibers/groups that make erector spinae
iliocostalis, longissimus, and spinalis
34
most medial erector spinae
spinalis
35
intermediate erector spinae
longissimus
36
most lateral erector spinae
iliocostalis
37
T/F: each group of the erector spinae muscles (e.g. iliocostalis) can be subdivided
true
38
4 groups of deep layer of intrinsic back muscles
semispinalis, multifidus, roatores, and interspinous & intertranverse
39
fibers of semispinalis, mulifidus, and rotatores are -- and medially from the transverse processes of lower vertebrae to the spinous processes of higher vertebrae
directed upward
40
semispinalis and multifidus are involved in extension and -- of the vertebral column
lateral flexion
41
rotatores are -- to multifidus
deep
42
rotatores -- and assist with local extension and rotation
stabilize the vertebrae
43
interspinous aid in -- and rotation of vertebral column
extension
44
intertransverse muscles aid in -- and stabilizing vertebral column
lateral bending
45
trapezius is -- to the latissimus dorsi
superior
46
superior muscles control -- movements
limb