Back and Spinal Cord Flashcards

1
Q

The back extends from where to where?

A

Extends from base of skill (occiput) to Iliac Crest (L4).

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2
Q

Loc of superior angle of scapula.

A

At about T1-T2.

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3
Q

Loc of inferior angle of scapula.

A

At about T7.

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4
Q

Which muscles are responsible for the movement and erect position of the vertebral column?

A

Erector spine muscles and the transversospinalis muscles.

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5
Q

The epaxial musculature of the embryonic myotomes are exclusively innervated by what type of spinal nerves?

A

Dorsal rami of the spinal nerves.

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6
Q

What is the thoracolumbar fascia?

A

Thickening of deep fascia that invests several muscle groups and continues with the aponeurosis of the latismissus dorsi muscle.

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7
Q

What muscles act on appendicular skeleton of the upper limbs?

A

Latissimus dorsi, trapezius, levator scapulae, rhomboideus major and minor, serratus anterior

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8
Q

What muscles acting on the ribs (aka respiration)?

A

Serratus posterior superior, serratus posterior inferior, lavatories costarum.

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9
Q

What innervates superficial back muscles?

A

Ventral rami of spinal nerves or cranial nerve XI.

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10
Q

What innervates deep back muscles?

A

Dorsal rami of spinal nerves.

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11
Q

What are the muscles of the suboccipital triangle?

A

Rectus capitis posterior major and minor, obliquus capitits superior and inferior

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12
Q

What innervates the trapezius muscles?

A

Spinal accessory nerve, cranial nerve XI. [ventral rami]

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13
Q

What innervates latissimus dorsi muscles?

A

Thoracodorsal (C6-C8). [ventral rami]

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14
Q

What innervates the serratus anterior muscle?

A

Long thoracic nerve (C6-C8). [ventral rami]

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15
Q

What innervates the Rhomboids muscles?

A

Dorsal scapular (C5). [ventral rami]

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16
Q

What innervates true back muscles and cutaneous surfaces?

A

Dorsal rami of spinal nerves. [medial branch of C2=greater occipital nerve, upper half of skin; lateral branch=lower half of skin]

17
Q

What makes up the triangle of auscultation?

A

Trapezius, latissimus dorsi, scapula.

18
Q

What makes up the triangular space?

A

Teres major, trees minor, long head of the triceps.

19
Q

What makes up the lumbar triangle?

A

latissimus dorsi, external abdominal oblique, ilium.

20
Q

What makes the quadrangular space?

A

trees major, trees minor, long head of the triceps, humerus.

21
Q

At what level does the spinal cord taper off at?

A

L1/L2 of adult, called the conus maedullaris.

22
Q

Intervertebral disc found in:

A

C2 - L5

23
Q

Explain meninges:

A

Dura–>arachnoid–(subarachnoid space, that CSF) –> Pia mater