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Anatomy > Deep Back Muscles > Flashcards

Deep Back Muscles Flashcards

1
Q

What is the P of the Splenius Capitis and Cervicis?

A

Social interaction and driving

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1
Q

What is the MA of the Splenius Capitis and Cervicis?

A

Bilaterally: extension of the head and neck

Unilaterally: lateral flexion of the neck and ipsilateral rotation of the head

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2
Q

What is the PA of the Splenius Capitis and Cervicis?

A

Nuchal ligament and spinous processes of C7-T6 vertebrae

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3
Q

What is the DA of the Splenius Capitis?

A

Mastoid process and superior nuchal line

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4
Q

What is the DA of the Splenius Cervicis?

A

Transverse processes of C1-C4 vertebrae

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5
Q

What is the N for the Splenius Capitis and Cervicis?

A

Dorsal rami of spinal nerves

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6
Q

What is the P of the Erector Spinae Group?

A

Maintaining an upright posture for Activities of Daily Living (ADLs)/Instrumental Activities of Daily Living (IADLs)

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7
Q

What is the MA of the Erector Spinae Group?

A

Bilaterally: extension of the vertebral column

Unilaterally: lateral flexion of the vertebral column to the ipsilateral side

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8
Q

What is the PA of the Erector Spinae Group?

A

Common tendon (thoracolumbar fascia) that attaches to:

the posterior surface of the sacrum

iliac crest

spinous processes of T11-L5

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9
Q

What is the DA of the Iliocostalis?

A

Lower rib angles and cervical transverse processes

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10
Q

What is the DA of the Longissimus?

A

Between rib tubercles and angles to thoracic transverse processes

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11
Q

What is the DA of the Spinalis?

A

SP of upper thoracic vertebrae to SP of C2

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12
Q

What is the N for the Erector Spinae Group?

A

Dorsal rami of spinal nerves

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13
Q

What is the P of the Rotatores (Brevis and Longus)?

A

Tai chi or yoga (deep postural stability)

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14
Q

What is the MA of the Rotatores (Brevis and Longus)?

A

Bilaterally: extension of the vertebral column locally and may function as organs of proprioception

Unilaterally: contralateral rotation of the vertebral column

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15
Q

What is the IA of the Rotatores (Brevis and Longus)?

A

Transverse processes of vertebrae (thoracic the best)

16
Q

What is the SA of the Rotatores (Brevis and Longus)?

A

Spinous processes of C2-L5 (rotatores brevis spans 1 vertebra and rotatores longus spans 2 vertebrae)

17
Q

What is the N for the Rotatores (Brevis and Longus)?

A

Dorsal rami of the spinal nerves

18
Q

What is the P of the Multifidus?

A

Tai chi or yoga (deep postural stability)

19
Q

What is the MA of the Multifidus?

A

Bilaterally: extension of the vertebral column and stabilizes the vertebrae during local movements of the vertebral column

Unilaterally: contralateral rotation of the vertebral column

20
Q

What is the IA of the Multifidus?

A

Arises from:

posterior sacrum

posterior superior iliac spine (PSIS)

aponeurosis of erector spinae

sacroiliac (SI) ligaments

mammillary processes of lumbar vertebrae

transverse processes of T1-T3

articular processes of C4-C7

21
Q

What is the SA of the Multifidus?

A

Fibers pass obliquely superomedially through the entire length of spinous processes and spans 2-4 segments, thickest in the lumbar region

22
Q

What is the N for the Multifidus?

A

Dorsal rami of the spinal nerves

23
Q

What is the P of the Semispinalis?

A

Using a computer workstation and looking overhead

24
Q

What is the MA of the Semispinalis?

A

Extension of the head, neck, and thoracic spine and contralateral rotation of the head, neck, and thoracic spine

25
Q

What is the IA of the Semispinalis?

A

Transverse processes of C4-T12

26
Q

What is the SA of the Semispinalis?

A

Fibers run superomedially to occipital bone and spinous processes in thoracic and cervical regions, spanning 4-6 segments

27
Q

What is the N for the Semispinalis?

A

Cervical dorsal rami of the spinal cervical nerves

Anatomy (29 decks)

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