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Muscles w/ OIAIB > Spinal Flexion > Flashcards

Spinal Flexion Flashcards

1
Q

Rectus abdominus (origin)

A

pubic symphysis & pubic crest

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2
Q

Rectus abdominus (insertion)

A

xiphoid process, costal cartilages 5-7

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3
Q

Rectus abdominus (action)

A

flexes trunk, compression of abdominal viscera

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4
Q

Rectus abdominus (innervation)

A

ventral rami

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5
Q

Rectus abdominus (blood supply)

A

superior/inferior epigastric arteries

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6
Q

Internal oblique (origin)

A

thoracolumbar fascia, anterior 2/3 of iliac crest, lateral half of inguinal ligament

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7
Q

Internal oblique (insertion)

A

inferior borders of ribs 10-12

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8
Q

Internal oblique (action)

A

compresses and supports abdominal viscera, flexes and rotates trunk

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9
Q

Internal oblique (innervation)

A

ventral rami & 1st lumbar nerve

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10
Q

Internal oblique (blood supply)

A

superior/inferior epigastric arteries and deep iliac circumflex arteries

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11
Q

External oblique (origin)

A

external surfaces of ribs 5-12

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12
Q

External oblique (insertion)

A

linea alba, pubic tubercle, anterior 1/2 of iliac crest

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13
Q

External oblique (action)

A

flexes and rotates trunk

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14
Q

External oblique (innervation)

A

ventral rami

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15
Q

External oblique (blood supply)

A

superior/inferior epigastric arteries

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16
Q

Psoas major (origin)

A

bodies and transverse process of lumbar vertebrae (L1-L5)

17
Q

Psoas major (insertion)

A

lesser trochanter of femur

18
Q

Psoas major (action)

A

hip flexion, hip hike

19
Q

Psoas major (innervation)

A

lumbar nerves 2-4

20
Q

Psoas major (blood supply)

A

iliolumbar artery

21
Q

Psoas minor (origin)

A

vertebral margins of T12 - L1 vertebrae and their corresponding intervertebral discs

22
Q

Psoas minor (insertion)

A

pectineal line on superior ramus of pubis

23
Q

Psoas minor (action)

A

flexes pelvis on vertebral column (posterior pelvic tilt)

24
Q

Psoas minor (innervation)

A

ventral rami

25
Q

Psoas minor (blood supply)

A

lumbar branches of iliolumbar artery

Muscles w/ OIAIB (25 decks)

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