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Living Anatomy II > Test #1 > Flashcards

Test #1 Flashcards

1
Q

Which muscle is this?

O – Pubic tubercles ( = crest), pubic symphysis *
I – Cartilages of ribs 5, 6, 7 & Xyphoid process
A – Flexion of trunk (bilaterally), *Compression of abdomen.

“sit up” muscle

A

Rectus Abdominus

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2
Q

Which muscle is this?

O - Lateral inguinal ligament, iliac crest & TCA
I - Internal surface of ribs 12 -10, abdominal aponeurosis to linea alba.
A – Bilateral – trunk flexion
Unilateral – trunk lateral flexion and rotation to same side (ipsilateral)
*Compression of abdomen

*angles upward toward AML

A

Internal Oblique

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3
Q

Which muscle is this?

O – Lateral inguinal ligament, iliac crest, TCA, & internal surface of lower 6 ribs.
I – Abdominal aponeurosis to linea alba.
A – Compression of abdomen, assists in forced expiration

A

Transversus Abdominus

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4
Q

Which muscle is this?

O –External aspect of 8 lower ribs (= 5-12)
I – Anterior 1/2 of external iliac crest, abdominal aponeurosis to linea alba
A – Bilaterally – trunk flexion
Unilaterally – Trunk: lateral flexion to same side, trunk rotation to opposite side (contralateral)
*Compression of abdomen.

*angles downward toward AML

A

External Oblique

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5
Q

Which muscle is this?

O - dorsal aspect of xyphoid process, internal surfaces of lower 6 ribs, L 1-2 or 3.
I - Central tendon (located just anterior to the center of the dome)
A - Draw down the central tendon of the diaphragm

A

Diaphragm

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6
Q

Which muscle is this?

O – Inferior border of rib above.
I – Superior border of rib below.
A – Assist with inspiration

“Lifts the bucket handle” and “pump handle”

A

External Intercostal

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7
Q

Which muscle is this?

O: Iliac crest (posterior)
I: TP’s of L 1-4
A: Unilateral: flex spin to same side, laterally tilt pelvis, also: assists in extending spine

A

Quadratus Lumborum

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8
Q

Which muscle is this?

O- Bodies & TP’s (& discs) L 1-5
I – Lesser trochanter of femur (posterior aspect)
A – Origin fixed: Hip: flexion, ADduction, maybe: lateral rotation
Insertion fixed (“Reverse” action =leg remains fixed):
- pelvis anterior tilt, contralateral rotation of lumbar vertebrae, ipsilateral lateral flexion of lumbar vertebrae

A

Psoas

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9
Q

Which muscle is this?

O – Superior border of rib below
I – Inferior border of rib above
A – Assist with exhalation

A

Internal Intercostal

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10
Q

Which muscle is this?

O – Internal iliac fossa
I – Lesser trochanter of femur
A - Hip flexion, ADduction, rotation (lateral)
Reverse action – pelvis anterior tilt

A

Iliacus

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11
Q

Which muscle is this?

O – Posterior iliac crest, dorsal surfaces of sacrum & coccyx, sacrotuberous & sacroiliac ligaments
I – IT band (superficial fibers) & gluteal tuberosity (deep fibers)
A- Hip: Extension, lateral rotation, Abduction, some ADduction (lower fibers)
Pelvis:Extension (distal attachment fixed)

A

Gluteus Maximus

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12
Q

Which muscle is this?

O - Lateral (gluteal) surface of the ilium (b/w superior & anterior gluteal lines)
I- Greater trochanter (lateral superior aspect)
A - All fibers: ABduct the hip
Anterior fibers: flex the hip, medially rotate the
hip
Posterior fibers: extend the hip, laterally rotate the hip

A

Gluteus Medius

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13
Q

Which muscle is this?

O – Lateral (gluteal) surface of the ilium (b/w superior & anterior gluteal lines)
I – Greater trochanter (anterior border)
A – Abduction of hip, medial rotation of hip, hip flexion

A

Gluteus Minimus

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14
Q

Which muscle is this?

O – Iliac crest (lateral/posterior to ASIS)
I – IT Band
A – Abduction of hip, medial rotation of hip, hip flexion

A

Tensor Fascia Lata

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15
Q

Which muscle is this?

O – Anterior border of the sacrum
I – Greater trochanter (superior aspect)
A – Lateral rotation of hip, Abduction when hip is flexed to 90 degrees

A

Piriformis

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16
Q

Which muscle is this?

O – Ischial tuberosity (lateral border)
I – Intertrochanteric crest
A – Hip lateral rotation

A

Quadratus Femoris

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17
Q

Which ligament is this?

Stretches from the ASIS to the pubic tubercles

A

Inguinal Ligament

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18
Q

Which ligament is this?

Stretches from the Ischial tuberosity to sacrum

A

Sacrotuberus Ligament

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19
Q

Which ligament is this?

Stretches from the Iliac crest to TP of L5 (and sometimes L4)

A

Iliolumbar ligament

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20
Q

Which ligament is this?

From the Sacrum to the ilia

A

Sacroiliac ligament

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21
Q

Which ligament is this?

Stretches from the anterior lower sacrum and upper coccyx to the ischial spine

A

Sacrospinous Ligament

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22
Q

What covers the obturator foramen?

A

Obturator membrane

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23
Q

What is the origin of the Iliacus?

A

O – Internal iliac fossa

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24
Q

What is the origin of the Rectus Abdominus?

A

O – Pubic tubercles ( = crest), pubic symphysis *

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25
Q

What is the origin of the External Oblique?

A

O –External aspect of 8 lower ribs (= 5-12)

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26
Q

What is the origin of the Internal Oblique?

A

O - Lateral inguinal ligament, iliac crest & TCA

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27
Q

What is the origin of the Transversus Abdominus?

A

O – Lateral inguinal ligament, iliac crest, TCA, & internal surface of lower 6 ribs.

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28
Q

What is the origin of the diaphragm?

A

O - dorsal aspect of xyphoid process, internal surfaces of lower 6 ribs, L 1-2 or 3.

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29
Q

What is the origin of the external intercostal?

A

O – Inferior border of rib above.

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30
Q

What is the origin of the internal intercoastal?

A

O – Superior border of rib below

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31
Q

What is the origin of the Psoas?

A

O- Bodies & TP’s (& discs) L 1-5

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32
Q

What is the origin of the gluteus maximus?

A

Posterior iliac crest, dorsal surfaces of sacrum & coccyx, sacrotuberous & sacroiliac ligaments

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33
Q

What is the origin of the Gluteus Medius?

A

Lateral (gluteal) surface of the ilium (b/w superior & anterior gluteal lines)

34
Q

What is the origin of the Gluteus Minimus?

A

Lateral (gluteal) surface of the ilium (b/w anterior & inferior gluteal lines)

35
Q

What is the origin of the Tensor Fascia Lata?

A

Iliac crest (lateral/posterior to ASIS)

36
Q

What is the origin of the Piriformis?

A

Anterior border of the sacrum

37
Q

What is the origin of the Quadratus Femoris?

A

Ischial tuberosity (lateral border)

38
Q

What is the insertion of the Rectus Abdominus?

A

Cartilages of ribs 5, 6, 7 & Xyphoid process

39
Q

What is the insertion of the External Oblique?

A

Anterior 1/2 of external iliac crest, abdominal aponeurosis to linea alba

40
Q

What is the insertion of the Internal Oblique?

A

Internal surface of ribs 12 -10, abdominal aponeurosis to linea alba.

41
Q

What is the insertion of the transversus abdominus?

A

abdominal aponeurosis to linea alba

42
Q

What is the insertion of the diaphragm?

A

Central tendon (located just anterior to the center of the dome)

43
Q

What is the insertion of the External Intercostal?

A

Superior border of rib below.

44
Q

What is the insertion of the Internal Intercostal?

A

Inferior border of rib above

45
Q

What is the insertion of the Psoas?

A

Lesser trochanter of femur (posterior aspect)

46
Q

What is the insertion of the Iliacus?

A

Lesser trochanter of femur

47
Q

What is the insertion of the Gluteus Maximus?

A

IT band (superficial fibers) & gluteal tuberosity (deep fibers)

48
Q

What is the insertion of the Gluteus Medius?

A

Greater trochanter (lateral superior aspect)

49
Q

What is the insertion of the Gluteus Minimus?

A

Greater trochanter (anterior border)

50
Q

What is the insertion of the Tensor Fascia Lata?

A

IT Band

51
Q

What is the insertion of the Piriformis?

A

Greater trochanter (superior aspect)

52
Q

What is the insertion of the Quadratus Femoris?

A

Intertrochanteric crest

53
Q

Which two muscles insert on the IT band?

A

Tensor Fascia Lata and Gluteus Maximus

54
Q

What are the actions of the Rectus Abdominus?

A

A – Flexion of trunk (bilaterally), *Compression of abdomen.

55
Q

What are the actions of the External Oblique?

A

A – Bilaterally – trunk flexion
Unilaterally – Trunk: lateral flexion to same side, trunk rotation to opposite side (contralateral)
*Compression of abdomen.

56
Q

What are the actions of the Internal Oblique?

A

A – Bilateral – trunk flexion
Unilateral – trunk lateral flexion and rotation to same side (ipsilateral)
*Compression of abdomen

57
Q

What are the actions of the Transversus Abdominus?

A

A – Compression of abdomen, assists in forced expiration

58
Q

What are the actions of the Diaphragm?

A

A - Draw down the central tendon of the diaphragm

59
Q

What are the actions of the External Intercostal?

A

A – Assist with inspiration

60
Q

What are the actions of the Internal Intercostal?

A

A – Assist with exhalation

61
Q

What are the actions of the Psoas?

A

A – Origin fixed: Hip: flexion, ADduction, maybe: lateral rotation
Insertion fixed (“Reverse” action =leg remains fixed):
- pelvis anterior tilt, contralateral rotation of lumbar vertebrae, ipsilateral lateral flexion of lumbar vertebrae

62
Q

What are the actions of the Iliacus?

A

A - Hip flexion, ADduction, rotation (lateral)

Reverse action – pelvis anterior tilt

63
Q

What are the actions of the Gluteus Maximus?

A 
Hip:
1. Extension
2. lateral rotation
3. Abduction
4. some ADduction (lower fibers)
Pelvis:
1. Extension (distal attachment fixed)
64
Q

What are the actions of the Gluteus Medius?

A 
All fibers:
1. ABduct the hip
Anterior fibers:
1. flex the hip
2. medially rotate the hip
Posterior fibers
1. extend the hip
2. laterally rotate the hip
65
Q

What are the actions of the Gluteus Minimus?

A
  1. Abduction of hip
  2. medial rotation of hip
  3. hip flexion
66
Q

What are the actions of the Tensor Fascia Lata?

A
  1. Abduction of hip
  2. medial rotation of hip
  3. hip flexion
67
Q

What are the actions of the Piriformis?

A
  1. Lateral rotation of hip

2. Abduction when hip is flexed to 90o

68
Q

What are the actions of the Quadratus Femoris?

A

Hip lateral rotation

69
Q

Which muscles flex the hip?

A 
Gluteus medius (anterior fibers)
Gluteus minimus
Tensor fascia lata
Psoas
Iliacus
70
Q

Which muscles extend the hip?

A 
Gluteus maximus (all fibers)
Gluteus medius (posterior fibers)
71
Q

Which muscles do medial rotation?

A

Gluteus medius (anterior fibers)
Gluteus minimus
Tensor fascia lata

72
Q

Which muscles do lateral rotation?

A 
Gluteus maximus (all fibers)
Gluteus medius (posterior fibers)
Piriformis
Quadratus femoris
Psoas major
Iliacus
73
Q

Which muscles do aBduction?

A 
Gluteus maximus (all fibers)
Gluteus medius (all fibers)
Gluteus minimus
Tensor fascia lata
Piriformis (when hip is flexed)
74
Q

Which muscles do aDduction?

A

Psoas major
Iliacus
Gluteus maximus (lower fibers)

75
Q

Which are the abdominal muscles?

A

Rectus Abdominis
External Oblique
Internal Oblique
Transverse Abdominus

76
Q

Which muscles depress the ribs?

A

Internal Intercostals (assists)

Also: Serratus Posterior Inferior

77
Q

Which muscles elevate the ribs?

A

External Intercostals (assists)

(Also: All scalenes, the SCM, Serratus Posterior Superior, Pec major and minor, Serratus Anterior (if scapula is fixed), Subclavius)

78
Q

Which muscles do lateral flexion of the spine?

A

External oblique
Internal oblique

(Also: Spinalis, Longissimus, Iliocostalis, Quadratus Lumborum, Intertransversarii, Latissimus dorsi)

79
Q

Which muscles do rotation of the spine?

A 
External oblique (to the opposite side)
Internal oblique (to the same side)

(also: multifidi, rotatores)

80
Q

Which muscles flex the spine?

A 
Rectus abdominus
External oblique (bilaterally)
Internal oblique (bilaterally)
81
Q

Which muscles extend the spine?

A

None for this test!!

But to review: Spinalis, Longissimus, Iliocostalis, Multifidi, Rotatores, Semispinalis capitis, Quadratus lumborum, Intertransversarii, Interspinalis,
Latissimus dorsi

Living Anatomy II (2 decks)

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