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Back Anatomy > Back Insertion Ect > Flashcards

Back Insertion Ect Flashcards

(78 cards)

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0
Q

Trapezius insertion

A

Spine and acromion scapula

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1
Q

Trapezius origin

A

Medial 1/3 of superior line, nuchal ligament, spinous processes of c7-t12 vertebrae

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2
Q

Trapezius innervation

A

Spinal accessory nerve (cranial nerve XI)

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3
Q

Trapezius action

A

Superior = elevation
Middle = retracts
Inferior = depresses scapula
Superior and inferior =!rotate shoulder joint superiorly

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4
Q

Latissimus dorsi origin

A

Spinous processes of t6-t12, thoracolumbar fascia and iliac crest

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5
Q

Latissimus dorsi insertion

A

Inferior intertubercular sulcus of humerus

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6
Q

Latissimus dorsi innervation

A

Thoracodorsal nerve (c6-c8 anterior rami)

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7
Q

Latissimus dorsi action

A

Extends, adducts and medially rotates the humerus

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8
Q

Levator scapulae insertion

A

Transverse processes of c1-c4

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9
Q

Levator scapulae insertion

A

Medial border of scapula, superior to route of scapular spine

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10
Q

Levator scapulae innervation

A

Dorsal scapular nerve (c5 anterior ramus route) and c3, 4 anterior rami

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11
Q

Levator scapulae action

A

Elevates scapula, rotates glenoid cavity inferiorly

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12
Q

Rhomboid major origin

A

Spinous processes of t2-t5

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13
Q

Rhomboid major insertion

A

Medial border of scapula

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14
Q

Rhomboid major innervation

A

Dorsal scapular nerve (c5 anterior rami)

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15
Q

Rhomboid major action

A

Retract scapula and rotate it to depress glenoid cavity; fix scapula to thoracic wall

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16
Q

Rhomboid minor origin

A

Nuchal ligament and spinous processes of c7 and t1

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17
Q

Rhomboid minor insertion

A

Medial end of scapular spine

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18
Q

Rhomboid minor innervation

A

Dorsal scapular nerve (c5 anterior rami)

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19
Q

Rhomboid minor action

A

Retract scapula and rotate it to depress glenoid cavity; fix scapula to thoracic wall

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20
Q

Serratus posterior superior origin

A

Nuchal ligament, spinous processes of c7-t3

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21
Q

Serratus posterior superior insertion

A

Ribs 2 and 4

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22
Q

Serratus posterior superior innervation

A

T2 and t5 anterior rami of spinal nerves

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23
Q

Serratus posterior superior action

A

Elevates ribs 2 to 4, but function is Propricoception during respiration

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24
Serratus posterior inferior origin
Spinous processes of t11-l2
25
Serratus posterior inferior insertion
Ribs 8-12
26
Serratus posterior inferior innervation
T9 to t12 anterior rami of spinal nerves
27
Serratus posterior inferior action
Depresses ribs 8 to 12, but function is Proprioception during respiration
28
Splenius capitis origin
Nuchal ligament, spinous processes of c7 to t3/4
29
Splenius capitis insertion
Mastoid process and nuchal line
30
Splenius capitis innervation
Posterior rami of spinal nerves
31
Splenius capitis action
Unilaterally- laterally flex the neck and rotate the head to the said of the active muscle Bilaterally -extend head and neck
32
Splenius cervicis origin
Nuchal ligament, spinous processes of c7 to t3/4
33
Splenius cervicis insertion
Transverse processes of c1 to c3/4
34
Splenius cervicis innervation
Posterior rami of spinal nerves
35
Splenius cervicis action
Unilaterally - laterally flex the neck and rotate head to the side of active muscle Bilaterally - extend head and neck
36
Spinalis origin
Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes and supraspinous ligament
37
Spinalis insertion
Spinous processes of thoracic and cervical vertebrae
38
Spinalis innervation
Posterior rami of spinal nerves
39
Spinalis action
Unilaterally -laterally flex vertebral column Bilaterally - extend vertebral column and head
40
Longissimus origin
Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament
41
Longissimus insertion
Postero-medial aspect of ribs, cervical transverse processes and mastoid process
42
Longissimuss innervation
Posterior rami of spinal nerves
43
Longissimuss action
Unilaterally - laterally flex vertebral column Bilaterally - extend vertebral column and head
44
Iliocostalis origin
Broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament
45
Iliocostalis insertion
Lateral to Longissimuss on ribs and cervical transverse processes
46
Iliocostalis innervation
Posterior rami of spinal nerves
47
Iliocostalis action
Unilaterally - laterally flex vertebral column Bilaterally - extend vertebral column and head
48
Semispinalis origin
Transverse processes of c4 to t12
49
Semispinalis insertion
Thoracic and cervical transverse processes, and space between superior and inferior nuchal lines on cranium
50
Semispinalis innervation
Posterior rami of spinal nerves
51
Semispinalis action
Extends head, thoracic and cervical vertebral column, rotates contralaterally
52
Multifidus origin
Posterior sacrum, transverse processes of lumbar thoracic, and cervical vertebrae
53
Multifidus insertion
Spinous processes of vertebrae 2-4,vertebrae above their origin
54
Multifidus innervation
Posterior rami of spinal nerves
55
Multifidus action
Extension, lateral flexion, and rotation of the vertebral column
56
Rotatores origin
Transverse processes of vertebrae
57
Rotatores insertion
Lamina of vertebrae immediately or two segments above its origin
58
Rotatores innervation
Posterior rami of spinal nerves
59
Rotatores action
Rotates vertebral column and functions to stabilize vertebrae
60
Rectus capitis major origin
C2 of spinous process
61
Rectus capitis major insertion
Lateral part of inferior nuchal line
62
Rectus capitis major innervation
Suboccipital nerve (c1 spinal nerve posterior ramus)
63
Rectus capitis major action
Extension of the atlantooccipital joint ipsilateral rotation of atlantoaxial joint
64
Rectus capitis minor
C1 posterior arch
65
Rectus capitis minor
Medial part of inferior nuchal line
66
Rectus capitis minor innervation
Suboccipital nerve (c1 spinal nerve posterior ramus)
67
Rectus capitis minor action
Extension of atlantooccipital joint, ipsilateral rotation of the atlantoaxial joint
68
Obliquus capitis inferior origin
C2 posterior arch
69
Obliquus capitis inferior insertion
C1 transverse process
70
Obliquus capitis inferior innervation
Suboccipital nerve (c1 spinal nerve posterior ramus)
71
Obliquus capitis inferior action
Ipsilateral rotation of the atlantoaxial joint
72
Obliquus capitis superior origin
C1 transverse process
73
Obliquus capitis superior insertion
Occipital bone between superior and inferior nuchal lines
74
Obliquus capitis superior innervation
Suboccipital nerve (c1 spinal nerve posterior ramus)
75
Obliquus capitis superior action
Extension and lateral flexion of the atlantooccipital joint
76
What are the extrinsic muscles?
Trapezius, latissimus dorsi, levator scapulae, rhomboid major, rhomboid minor, Serratus posterior superior, Serratus posterior inferior
77
What are the intrinsic back muscles?
Spenius capitis, splenius cervicis, spinalis, Longissimuss, spinalis, semispinalis, Multifidus, rotatores,

Back Anatomy (1 decks)

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