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DBCS 311 > Anatomy Deep Back and Spinal Cord > Flashcards

Anatomy Deep Back and Spinal Cord Flashcards

1
Q

Origin and insertion of the splenius capitis…

A

Origin: Nuchal ligament and spinous processes of C7-T3

Insertion: Mastoid process and occipital bone

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2
Q

Innervation of splenius capitus

A

Posterior ramus of spinal nerves C3, C4

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3
Q

Blood supply of the splenius capitus

A

muscular branches of the aorta

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4
Q

Actions of the splenius capitus

A

extend, rotate, laterally flex the head

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5
Q

Origin and insertion of the splenius cervicis

A

Origin: Spinous process of T3-T6

Insertion: Tranverse process C1-C3

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6
Q

Innervation of splenius cervicis

A

Dorsal rami of C5, C6

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7
Q

Blood supply of splenius cervicis

A

Transverse cervical artery and occipital artery

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8
Q

Actions of the splenius cervicis

A

Bilaterally: extend neck and head

Unilaterally: Lateral flexion, rotation to the same side

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9
Q

Origin and insertion of iliocostalis..

A

Origin: Sacrum, lliac Crest,Spinous Processes of T11-L5

Insertion: Angles of ribs and transverse processes C4-C6

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10
Q

Innervation of iliocostalis

A

Posterior (dorsal) branch of spinal nerve

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11
Q

Blood supply of iliocostalis

A

Muscular branches of the aorta

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12
Q

Actions of iliocostalis

A

Unilaterally: laterally flex the vertebral column to the same side

Bilaterally: Extend the vertebral column.

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13
Q

Origin and insertion of longissimus

A

Origin: Sacrum, Iliac Crest, Spinous processes of lower thoracic and lumbar, transverse processes of T1-T5

Insertion: Mastoid process, transverse processes of all thoracic vertebrae, upper lumbar, and C2-C6

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14
Q

Innervation of the longissimus

A

Posterior (dorsal) branch of spinal nerve

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15
Q

Blood supply of longissimus

A

Lateral Sacral Artery

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16
Q

Actions of the longissimus

A

Laterally: Flex the head and neck to the same side

Bilaterally: Extend the vertebral column

17
Q

Origin and insertion of spinalis

A

Origin: Spinous process of upper lumbar and lower thoracic vertebrae, nuchal ligament and spinous process of C7, Spinous process of upper thoracic vertebrae.

Cervicis Insertion: Spinous process of C2-C6, T3-T8, between inferior and superior nuchal line

18
Q

Innervation of spinalis

A

Posterior branch of spinal nerve

19
Q

Blood supply of spinalis

A

Lateral Sacral Artery

20
Q

Actions of spinalis

A

Laterally: Flex the head and neck to the same side.

Bilaterally: Extend the vertebral column

21
Q

Origin and insertion of semispinalis capitis

A

Origin: Transverse processes of lower cervical and higher thoracic column

Insertion: Area between superior and inferior nuchal line

22
Q

Innervation of semispinalis capitis

A

Greater occipital nerve

23
Q

Actions of semispinalis capitis

A

Extends the head

24
Q

Origin and insertion of semispinalis

A

Origin: transverse process of T1-T5 vertebrae

Insertion: spinous processes of C1-C5 vertebrae

25
Q

Innervation of semispinalis cervicis

A

Dosral primary rami of C5 and C6

26
Q

Actions of the semispinalis cervicis

A

Extention of the cervical spine

Lateral flexion of the cervical spine to the ipsilateral side

Rotation of the cervical spine to ipsilateral side

27
Q

Blood supply of semispinalis cervicis

A

Superior intercostal artery

Dorsal rami of posterior intercostal arteries

28
Q

Origin and insertion of multifidus

A

Cervical origin: Articular processes of lower cervical vertebrae

Thoracic Origin: Transverse processes all

Lumbar region: sacrum, thoracolumbar fascia, iliac crest, PSIS

Insertion: Spinous processes from L5-C2

29
Q

Innervations of multifidus

A

Dorsal Rami of spinal nerves

30
Q

Actions of multifidus

A

Proprioception

Bilaterally: Extension of back

Unilaterally: Lateral flexion to contralateral side, rotation to contralateral side

31
Q

Blood supply of multifidus

A

muscular branches of aorta

DBCS 311 (17 decks)

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