Myology Flashcards

1
Q

suboccipital triangle contents

A

suboccipital nerve and vertebral artery

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2
Q

name the superior lateral border of the suboccipital triangle

A

superior oblique

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3
Q

name the medial border of the suboccipital triangle

A

rectus capitis posticus major

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4
Q

name the inferior lateral border of the suboccipital triangle

A

inferior oblique

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5
Q

which artery traverses through the suboccipital triangle

A

vertebral artery

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6
Q

which nerve traverses through the suboccipital triangle

A

suboccipital nerve

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7
Q

muscles of superficial neck

A

platysma and SCM

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8
Q

suprahyoid muscles (4)

A

digastric (2 bellies), stylohyoid, mylohyoid, geniohyoid

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9
Q

infrahyoid muscles (TOSS)

A

sternohyoid, sternothyroid, omohyoid (2 bellies), thyrohyoid

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10
Q

head and neck vertebral muscles

A

longus colli, scalenus anterior medius and posterior

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11
Q

muscles of mastication

A

temporalis, masseter, medial (internal) pterygoid, lateral (external) pterygoid

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12
Q

roof of suboccipital triangle

A

semispinalis capitis muscle

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13
Q

floor of suboccipital triangle

A

posterior atlanto-occipital membrane

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14
Q

deep muscles of the back

A

multifidus, rotatores, intertransversarii, interspinalis, iliocostalis, longissimus, spinalis

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15
Q

erector spinae muscle group (i love spinal) lat to med

A

iliocostalis, longissimus, spinalis

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16
Q

muscles of thorax

A

external intercostals, internal intercostals, transverse thoracic, subcostalis

17
Q

muscles of anterior abdominal wall

A

external oblique, internal oblique, transverse, rectus abdominis, cremaster

18
Q

muscles of posterior abdominal wall

A

quadratus lumborum, psoas major, psoas minor

19
Q

muscles of lateral pelvis wall

A

piriformis, obturator internus

20
Q

muscles of pelvic floor

A

levator ani muscles ( pubococcygeus, puborectalis, iliococcygeus) coccygeus

21
Q

muscles of urogenital diaphragm (deep perineus)

A

sphincter urethrae, deep transverse perinei

22
Q

superficial perineum muscles

A

ischicavernosus, bulbospongiosus, superficial transversus perinei

23
Q

piriformis origin

A

anterior sacrum and sacrotuberous ligament

24
Q

piriformis insertion

A

greater trochanter

25
Q

piriformis innervation

A

S1-S2

26
Q

piriformis action

A

external hip rotation, abduction of thigh