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MRCS Anatomy > Spine & back > Flashcards

Spine & back Flashcards

1
Q

Cervical spine

A 
C1-C7 
C1 - atlas
C2 - axis
foramen transversarium - VA passes through
spinous process bifurcates
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2
Q

Thoracic spine

A

T1-T12

Demifacets - articulates with head of rib

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3
Q

Lumbar spine

A

L1-L5

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4
Q

Sacrum & coccyx

A

fused vertebrae

S5 C4

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5
Q

Ligaments in spine

A

Anterior/posterior longitudinal ligaments
Ligamentum flavum - between the lamina
interspinous and supraspinous ligaments
intertransverse ligaments

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6
Q

Superficial back muscles

A

Trapezius
Latissimus dorsi
Levator scapulae
Rhomboids

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7
Q

Trapezius

A

origin: nuchal ligament, skull, C7 to T12
insertion: clavicle, acromion, spine of scapula
innervation: CN11
action: elevation

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8
Q

Latissimus dorsi

A

origin: T6-T12, iliac crest, thoracolumbar fascia
insertion: intertubercular groove
innervation: thoracodorsal
action: adductor

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9
Q

Levator scapulae

A

origin: C1-C4
insertion: medial border of scapula
innervation: Dorsal scapular nerve
action: elevates scapular

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10
Q

Rhomboids

A

origin: minor - C7-T1, Major - T2-T5
insertion: medial border of scapular
innervation: dorsal scapular nerve
action: retract and rotate the scapular

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11
Q

Intermediate muscles

A

serratus posterior superior & inferior

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12
Q

Serratus posterior superior

A

origin: C7-T3
insertion: ribs 2-5
innervation: intercostal nerves
action: elevates ribs 2-5

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13
Q

Serratus posterior inferior

A

origin: T11-L3
insertion: ribs 9-12
innervation: intercostal nerves
action: depresses ribs 9-12

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14
Q

Deep muscles

A

spinotransversales - splenius capitis and cervicis

erector spinae - iliocostalis, longissimus, spinalis

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15
Q

Iliocostalis

A

most lateral one

origin: common tendinous origin
insertion: costal angle of ribs and cervical transverse process
innervation: posterior rami of spinal nerves

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16
Q

longissimus

A

origin: common tendinous origin
insertion: transverse process C2-T12 and mastoid process
innervation: posterior rami

17
Q

Spinalis

A

origin: common tendinous origin
insertion: spinous process of C2, T1-8 and occipital bone
innervation: posterior rami

MRCS Anatomy (8 decks)

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