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Clinical Anatomy 1 Aryssara > Superficial Back > Flashcards

Superficial Back Flashcards

1
Q

Name the Extrinsic back muscles (superficial)

A

Superficial- traps, lats, levator scapulae, rhomboids

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2
Q

Name the Extrinsic back muscles (intermediate)

A

Intermediate- Serratus posterior superior, Serratus posterior inferior

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3
Q

Name the Intrinsic back muscles (superficial)

A

Splenius capitis, Splenius cervicis

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4
Q

Name the Intrinsic back muscles (intermediate)

A

Erector spinae muscles: spinalis, longissimus, iliocostalis

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5
Q

Name the Intrinsic back muscles (deep).

A

Transversospinales muscles: semispinalis, multifidus & rotatores

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6
Q

What are the superficial extrinsic back muscles innervated by?

A

Anterior rami of spinal nerve except traps which are innervated by a cranial nerve

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7
Q

What are intermediate intrinsic back, muscles innervated by?

A

Posterior rami of spinal nerves

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8
Q

What is the function of the extrinsic muscles of superficial back?

A

Limb movement (superficial) and respiration (intermediate)

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9
Q

What is the function of the intrinsic muscles of The superficial back?

A

Vertebral column movement and stabilization.

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10
Q

The occipital artery is ________ to the greater occipital nerve

A

Lateral

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11
Q

The accessory nerve (CN XI) and transverse cervical artery run ________________ on the ____________ of the trapezius muscle

A

Parallel to each other, deep aspect

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12
Q

The thoracodorsal nerve and thoracodorsal artery run ___________ on the _________ of the latissimus dorsi muscle

A

Parallel to each other, deep aspect

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13
Q

The trapezius muscle is positioned ________ to the rhomboid muscles

A

Posterior (superficial)

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14
Q

The dorsal scapular nerve and dorsal scapular artery run _____________ on the ________ of the rhomboid muscles at the medial border of the scapula

A

Parallel to each other, deep aspect

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15
Q

What innervates the trapezius?

A

CN XI (spinal accessory nerve)

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16
Q

Latissimus Dorsi attachments, actions, and innervation

A

Attachments- lower thoracic spinous processes, thoracolumbar fascia & iliac crest to floor of the intertubercular sulcus of humerus.

Actions- addiction, extension & medial rotation of humerus

Innervation- thoracodorsal nerve

Spinal Cord Segments- C6-8

17
Q

Levator Scapulae attachments, actions and innervation

A

Attachments- transverse processes of C1-C4 to the superior angle & superomedial border of the scapula

Actions- Elevation & downward rotation of the scapula

Innervation- dorsal scapular nerve (sensory-direct branches of C3-4)

Spinal Cord Segments- C4-5

18
Q

Rhomboids attachments, actions and innervation

A

Attachments- spinous processes C7-T5 & ligamentum nuchae to medial border of scapula

Actions- scapular retraction, elevation (upper) & downward rotation

Innervation- dorsal scapular nerve (sensory: direct branches of C3-4)

Spinal Cord Segments- C4-5

19
Q

Trapezius attachments, actions and innervation

A

Attachments- the superior nuchal line, external occipital protuberance, ligamentum nuchae, & thoracic spinous processes to the clavicle, acromion & scapular spine.

Action- Scapular elevation (upper), depression (lower), retraction (middle) & upward rotation (upper and lower)

Innervation- accessory nerve (CN XI) for motor and C3-4 for sensory.

20
Q

What are the attachments of latissimus dorsi?

A

Lower thoracic spinous processes, thoracolumbar fascia & iliac crest to floor of the intertubercular sulcus of humerus.

21
Q

What are the attachments of levator scapulae?

A

Transverse processes of C1-C4 to the superior angle & superomedial border of the scapula

22
Q

What are the attachments of the rhomboids?

A

Spinous processes C7-T5 & ligamentum nuchae to medial border of scapula

23
Q

What are the attachments of the trapezius?

A

The superior nuchal line, external occipital protuberance, ligamentum nuchae, & thoracic spinous processes to the clavicle, acromion & scapular spine.

24
Q

What are the 3 muscles that attach to the intertubercular sulcus of the humerus?

A

Latissimus Dorsi (floor), pectoralis major (lateral lip), and teres major (medial lip)

25
Q

What are the spinal segments of latissimus dorsi?

A

C6-8

26
Q

What are the sensory spinal segments of the trapezius?

A

C3-4

27
Q

What are the spinal segments of levator scapulae?

A

C4-5

28
Q

What are the spinal segments of the rhomboids?

A

C4-5

29
Q

What are the attachments of serratus anterior?

A

From the outer surfaces and superior borders of upper 8-10 ribs to the costal surface of the medial border of the scapula

30
Q

What are the spinal segments of serratus anterior?

A

C5-7

31
Q

What are the actions and innervation of serratus anterior?

A

Actions- scapular protraction and upward rotation

Innervation- long thoracic nerve

Clinical Anatomy 1 Aryssara (16 decks)

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