MUSCLES OF THE FULL SPINAL JOINTS Flashcards

1
Q

ERECTOR SPINAE GROUP: O&I

A

O: pelvis

I: spine, rib cage and head

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2
Q

ERECTOR SPINAE GROUP: A&N

A

A: extends and laterally flexes the trunk, neck and head at the spinal joints

N: spinal nerves - dorsal rami of cervical, thoracic and lumbar spinal n.

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3
Q

ILIOCOSTALIS (entire group): O&I

A

O: sacrum, iliac crest, ribs 3-12

I: ribs 1-12 and TP’s C4-7

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4
Q

ENTIRE ILIOCOSTALIS: A&N

A

A: extends and laterally flexes the trunk and neck at spinal joints
RMA: anteriorly tilts the pelvis at the LS joint and extends the lower spine relative to upper spine

N: spinal n. - dorsal rami of lower cervical, all thoracic, and upper lumbar spinal n.

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5
Q

ILIOCOSTALIS LUMBORUM: O&I

A

O: medial iliac crest and medial and lateral sacral crests

I: angles of ribs 7-12

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6
Q

ILIOCOSTALIS THORACIS: O&I

A

O: angles of ribs 7-12

I: angles of ribs 1-6 and TP’s pf C7

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7
Q

ILIOCOSTALIS CERVICIS: O&I

A

O: angles of ribs 3-6

I: TP’s C4-C6

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8
Q

ENTIRE LONGISSIMUS: O&I

A

O: sacrum, iliac crest, TP and SP’s of L1-L5 and T1-T5 and the articular processes of C5-C7

I: ribs 4-12, TP’s and T1-12 and C2-C6, and the mastoid process of the temporal bone

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9
Q

ENTIRE LONGISSIMUS: A&N

A

A: extends and laterally flexes the trunk, neck and head at the spinal joints
RMA: ant tilt pelvis at the LS joint and extends the lower spine relative to upper spine

N: spinal n - dorsal rami of lower cervical and the thoracic and lumbar spinal n.

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10
Q

LONGISSIMUS THORACIS: O&I

A

O: medial iliac crest, posterior sacrum and TP’s and SP’s of L1-5

I: TP’S OF T1-12 AND LOWER 9 RIBS

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11
Q

LONGISSIMUS CERVICIS: O&I

A

O: TP’s of T1-T5

I: TP’s of C2-C6

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12
Q

LONGISSIMUS CAPITIS: O&I

A

O: TP’s of T1-5 and articular processes of C5-C7

I: mastoid process of the temporal bone

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13
Q

ENTIRE SPINALIS: O&I

A

O: SP’s of T11-L2; SPs of C7 and nuchal ligament

I: SP’s of T4-T8 and SP’s o C2

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14
Q

ENTIRE SPINALIS: A&N

A

A: extends and laterally flexes the trunk and neck at spinal joints

N: spinal n - dorsal rami of the lower cervical and thoracic spinal nerves

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15
Q

SPINALIS THORACIS: O&I

A

O: SP’s of T11-L2

I: SP’s of T4-T8

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16
Q

SPINALIS CERVICIS: O&I

A

O: inferior nuchal line and SP C7

I: SP’s of C2

17
Q

SPINALIS CAPITIS: O&I

A
  • usually considered to be the medial part of spemispinalis capitis
18
Q

ENTIRE SEMISPINALIS (TSG): O&I

A

O: TP’s of C7-T10 and the articular processes of C4-C6

I: SP’s of C2- T4 and the occipital bone

19
Q

ENTIRE SEMISPINALIS (TSG): A&N

A

A: extends and laterally flexes the trunk, neck and head at spinal joints; contralaterally rotates trunk and neck at spinal joints

N: spinal n - dorsal rami of cervical and thoracic spinal n

20
Q

SEMISPINALIS THORACIS: O&I

A

O: TP’s of T6-10

I: SP’s of C6-T4

21
Q

SEMISPINALIS CERVICIS: O&I

A

O: TP’s of T1-5

I: SP’s of C2-C5

22
Q

SEMISPINALIS CAPITIS: O&I

A

O: TP’s of C7-T6 and articular processes of C4-C6

I: occipital bone between the superior and inferior nuchal lines

23
Q

MULTIFIDUS (TSG): O&I

A

O: posterior sacrum, PSIS, posterior sacroiliac ligament and L5-C4
(lumbar - all mamillary processes)
(thoracic - all TP’s)
(cervical - articular processes of C4-C7)

I: SP’s of vertebrae 3-4 segmental levels superior to inferior attachment

24
Q

MULTIFIDUS (TSG): A&N

A

A: extends, laterally flexes, and contralaterally rotates trunk and neck at the spinal joints
RMA: ant tilts pelvis at the LS joint and extends the lower spine relative to upper spine

N: spinal n - dorsal rami of cervical, thoracic and lumbar spinal nerves

25
Q

ROTATORES (TSG): O&I

A

O: TP’s (inferiorly)

I: 1-2 segmental levels superior at the lamina to the inferior attachment

26
Q

ROTATORES (TSG): A&N

A

A: contralaterally rotates, extends and laterally flexes the trunk and neck at the spinal joints

N: spinal n - dorsal rami of cervical, thoracic and lumbar spinal nerves

27
Q

INTERSPINALES: O&I

A

O: SP’s

I: SP’s directly superior
(cervical - 6 pairs between T1-C2)
(thoracic - 2 pairs between T2-T1 and T12-T11)
(lumbar - 4 pairs between L5-L1)

28
Q

INTERSPINALES: A&N

A

A: extends neck and trunk at spinal joints

N: spinal n - dorsal rami

29
Q

INTERTRANSVERSARII: O&I

A

O: TP’s

I: TP’s directly superior
(cervical - 7 pairs between C1-T1 bilaterally)
(thoracic - 3 pairs between T10-L1 bilaterally)
(lumbar - 4 pairs between L1-L5 bilaterally)

30
Q

INTERTRANSVERSARII: A&N

A

A: laterally flexes neck and trunk at spinal joints

N: spinal n - dorsal and ventral rami