MUSCLES OF THE LUMBAR SPINE Flashcards

1
Q

attachments of quadratus lumborum

A

iliolumbar ligament and iliac crest

to the medial 1/2 of 12th rib and transverse processes of L1-L4

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2
Q

Function of quadratus lumborum

A

lateral flexion to the same side

bilateral trunk extension

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3
Q

Origin of the Erector Spine muscles

A
spinous processes
supraspinous ligaments of T11-L5
posterior sacral crests
sacrotuberous ligament
posterior iliac crest
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4
Q

Insertion of the Erector spinae: Iliocostalis Lumborum

A

inferior borders of lower 6 ribs

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5
Q

Insertion of the Erector spinae: Iliocostalis Thoracis

A

upper 6 ribs and TPs of C7

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6
Q

Insertion of the Erector spinae: Iliocostalis Cervicis

A

TPs of C4-C7

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7
Q

Insertion of the Erector spinae: Longissimus Thoracis

A

TPs of all thoracic vertebrae and lower 10 ribs

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8
Q

Insertion of the Erector spinae: Longissimus Cervicis

A

TPs of C2-6

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9
Q

Insertion of the Erector spinae: Longissimus Capitis

A

articular processes of C4-C7 and mastoid process

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10
Q

Attachments of the Semispinalis Thoracis

A

TPs toT6-T10

to SPs of C6 - T2

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11
Q

Attachments of Semispinalis Cervicis

A

TPs of T1-T6

to SPs of C2-C6

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12
Q

Attachments of Semispinalis Capitis

A

TPs of T1-T6 to articular processes of C4-C7

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