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Back Muscles OINA > Origins and Insertions > Flashcards

Origins and Insertions Flashcards

1
Q

Upper trapezius

A

O: External occipital protuberance, medial 1/3 superior nuchal line, ligamentum nuchae, C7
I: lateral 1/3 clavicle

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2
Q

Middle trapezius

A

O: Spinous process T1-T5
I: Medial margin of acromion, spine of scapula, and crest of its superior lip

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3
Q

Lower trapezius

A

O: Spinous process T6-T12
I: spine of scapula tubercle

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4
Q

Latissimus dorsi

A

O: spinous process of T6-T12 and spinous process of lumbar and sacral vertebrae by way of thoracolumbar fascia, ribs 9-12, iliac crest
I: floor of intertubercular groove

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5
Q

Levator scapulae

A

O: posterior tubercles of the transverse process of C1-C4
I: medial border of scapula superior to root of spine

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6
Q

Rhomboid Major

A

O: spinous process of T2-T5
I: medial border of scapula from level of spine to inferior angle

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7
Q

Rhomboid Minor

A

O: Ligamentum nuchae, spinous process of C7 and T1
I: root of scapular spine

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8
Q

Serratus posterior superior

A

O: inferior part of ligamentum nuchae and spinous process of C7 and T1-T3
I: ribs 2-5

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9
Q

Serratus posterior inferior

A

O: spinous process of T11, T12 and L1,L2 via thoracolumbar fascia
I: inferior 3 or 4 ribs (8-12)

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10
Q

Splenius capitis

A

O: ligamentum nuchae at C3-C7 and spinous process of C7-T4
I: mastoid process and occipital bone inferior to the lateral 1/3 of the superior nuchal line

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11
Q

Splenius cervicis

A

O: spinous process of T3-T6
I: transverse process of C1-C3

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12
Q

Iliocostalis lumborum

A

O: broad tendon attached inferiorly to the posterior part of iliac crest, posterior sacrum, supraspinous ligaments, sacrotuberous and sacroiliac ligamenous, spinous process of T12, L1-L5
I: inferior 6 ribs and transverse process of all lumbar vertebrae

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13
Q

Iliocostalis thoracis

A

O: Ribs 12-7
I: upper 6 ribs and transverse process of C7

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14
Q

Iliocostalis cervicis

A

O: ribs 3-6
I: posterior tubercles of transverse process of C4-C6

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15
Q

Longissimus thoracis

A

O: lumbar region blended with iliocostalis lumborum, posterior surfaces of transverse and accessory processes of L1-L5 vertebrae and anterior layer of thoracolumbar fascia
I: transverse process of all thoracic vertebrae and ribs 2-12 between tubercles and angles

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16
Q

Longissiumus cervicis

A

O: transverse process of T1-T5
I: Posterior tubercles of transverse processes of C2-C6

17
Q

Longissimus capitis

A

O: transverse processes of T1-T5 and articular processes of C4-C7
I: mastoid process of temporal bone

18
Q

Spinalis thoracis

A

O: spinous processes of T11, T12 and L1, L2
I: spinous processes of T1-T4 or through T8

19
Q

Spinalis cervicis

A

O: lower part of ligamentum nuchae, spinous process of C6, C7
I: spinous process of axis and spinous processes of C2-C3

20
Q

Spinalis capitis

A

O: spinous process C5-C7 and T1-T3
I: occiput between superior and inferior nuchal lines

21
Q

Semispinalis thoracis

A

O: transverse process of T6-T10
I: Spinous process of C6-T4

22
Q

Semispinalis cervicis

A

O: transverse process of T1-T5
I: spinous process of C2-C5

23
Q

Semispinalis capitis

A

O: transverse process of C7 and T1-T6 and articular processes of C4-C6
I: occiput between superior and inferior nuchal lines

24
Q

Multifidus

A

O: sacrum, aponeurosis of erector spinae, ilium, posterior sacroiliac ligament, mamillary process of L1-L5, transverse process of T1-T12 and articular process of C4-C7
I: spans 2-4 vertebrae to insert into the spinous process of vertebra above from L5-C2

25
Q

Rotatores

A

Arises from the transverse process and inserts into the spinous process of the vertebrae above it or 2 vertebrae above

26
Q

Interspinales and intertransversarii

A

Unite spinous and transverse processes of consecutive vertebrae

27
Q

Levator costarum

A

O: transverse process of C7 and T1-T11
I: inferior ribs

28
Q

Rectus capitis posterior major

A

O: spinous process of C2
I: inferior to inferior nuchal line

29
Q

Rectus capitis posterior minor

A

O: posterior tubercle on the posterior arch of C1
I: inferior to inferior nuchal line

30
Q

Inferior oblique

A

O: spinous process of C2
I: transverse process of C1

31
Q

Superior oblique

A

O: transverse process of C1
I: between superior and inferior nuchal lines

Back Muscles OINA (3 decks)

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