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PCMT Year 2 - Mod 7 > Muscles > Flashcards

Muscles Flashcards

1
Q

Erector spinae group innervation

A

spinal

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2
Q

erector spinae group origin

A

common tendon that attaches to the posterior surface of the sacrum, iliac crest, spinous processes of the lumbar and last 2 thoracic vertebrae

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3
Q

erector spinae group insertion

A

various attachments at the posterior ribs, spinous and transverse process of the thoracic and cervical vertebrae, and mastoid process of the temporal bone

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4
Q

erector spinae actions

A

extend the vertebral column
laterally flexes the vertebral column to the same side

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5
Q

serratus posterior superior innervation

A

t1-t4

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6
Q

serratus posterior superior origin

A

spinous process of c7-t3

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7
Q

serratus posterior superior insertion

A

posterior surface of the 2nd-5th ribs

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8
Q

serratus posterior superior actions

A

elevate the ribs during inhilation

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9
Q

serratus posterior inferior ionnervation

A

t9-t12

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10
Q

serratus posterior inferior insertion

A

posterior surface of 9-12 ribs

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11
Q

serratus posterior inferior origin

A

spinous process of t12-l3

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12
Q

serratus posterior inferior actions

A

depress the ribs during exhalation

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13
Q

external intercostals innervation

A

thoracic nerve

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14
Q

external intercostals origin

A

inferior border of the ribs above

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15
Q

external intercostals insertion

A

superior border of the ribs below

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16
Q

external intercostals actions

A

draw the ribs superiorly to assist with inhalation

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17
Q

internal intercostals onnervation

A

thoracic nerve

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18
Q

internal intercostals origin

A

inferior border of the ribs above

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19
Q

internal intercostals insertion

A

superior border of there in below

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20
Q

internal intercostals actions

A

draw the ribs inferiorly during exhalation

21
Q

Diaphragm innervation

A

phrenic nerve form the cervical plexus C3, c4,c5 keeps the diaphragm alive

22
Q

diaphragm origin

A

inner surfaces of lower 6 ribs, upper 2 or 3 lumbar vertebrae, inner part of xiphoid process

23
Q

diaphragm insertion

A

central tendon

24
Q

diaphragm actions

A

draw down the central tendon of the diaphragm
increase the volume of the thoracic cavity during inhalation

25
Q

what is diaphragm pierced by

A

quadratus lumborum and psoas major

26
Q

Rectus abdominis innervation

A

t5-t12 , ventral rami

27
Q

rectus abdominis origin

A

pubic crest and pubic symphysis

28
Q

rectus abdominis insertion

A

cartilage of ribs 5-7 and xiphoid process

29
Q

rectus abdominis actions

A

flex the vertebral column
tilt pelvis posteriorly

30
Q

external oblique innervation

A

t5-t12

31
Q

external oblique origin

A

external surface of 5-12 ribs

32
Q

external oblique insertion

A

anterior part of the iliac crest, rectus sheath to linea alba

33
Q

external oblique actions

A

Laterally flex vt column to same side, rotate vertebral column to opposite side, flex vt column, compress abdominal contents.

34
Q

internal oblique innervation

A

t7-l1, iliohypogastric nerve and ilioinguinal nerve, ventral divisions

35
Q

internal oblique origin

A

lateral inguinal ligament, iliac crest, and thoracolumbar fascia

36
Q

internal oblique insertion

A

internal surface of the lower 3 ribs, rectus sheath to linea alba

37
Q

internal oblique actions

A

flex vertebral column
laterally flex vt column to same side
rotate vt column to same side
compress abdominal contents

38
Q

transverse abdominis innervation

A

t7-t12, l1, iliohypogastric and ilioinguinal nerve , ventral divisions

39
Q

transverse abdominis origin

A

lateral inguinial ligament, iliac crest, thoracolumbar fascia and internal surface of lower 6 ribs

40
Q

transverse abdominis insertion

A

rectus sheath to linea alba

41
Q

transverse abdominis actions

A

compress abdominal contents

42
Q

multifidi and rotatores innervation

A

spinal

43
Q

multifidi and rotatores origin

A

multifidi- sacrum, TVP of lumbar through cervical vertebrae
rotatores- TVP of lumbar through cervical vertebrae

44
Q

multifidi and rotatores insertion

A

multifidi- spinous process of lumbar vertebrae through through 2nd cervical vertebrae (2-4 vertebrae span)
rotatores- spinous process of lumbar vertebrae through 2nd cervical vertebrae (1-2 vertebrae span)

45
Q

multifidi and rotatores actions

A

unilaterally- rotate the vertebral column to the opposite side
bilaterally- extend vertebral columns

46
Q

semispinalis capitis innervation

A

cervical

47
Q

semispinalis capitis origin

A

TVP of c4-t5

48
Q

semispinalis capitis insertion

A

between superior and inferior nuchal lines of occiput

49
Q

semispinalis capitis actions

A

extend the head and vertebral column

PCMT Year 2 - Mod 7 (2 decks)

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