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Living Anatomy II > Test #1 > Flashcards

Test #1 Flashcards

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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
What is the origin of the External Oblique?
O –External aspect of 8 lower ribs (= 5-12)
26
What is the origin of the Internal Oblique?
O - Lateral inguinal ligament, iliac crest & TCA
27
What is the origin of the Transversus Abdominus?
O – Lateral inguinal ligament, iliac crest, TCA, & internal surface of lower 6 ribs.
28
What is the origin of the diaphragm?
O - dorsal aspect of xyphoid process, internal surfaces of lower 6 ribs, L 1-2 or 3.
29
What is the origin of the external intercostal?
O – Inferior border of rib above.
30
What is the origin of the internal intercoastal?
O – Superior border of rib below
31
What is the origin of the Psoas?
O- Bodies & TP’s (& discs) L 1-5
32
What is the origin of the gluteus maximus?
Posterior iliac crest, dorsal surfaces of sacrum & coccyx, sacrotuberous & sacroiliac ligaments
33
What is the origin of the Gluteus Medius?
Lateral (gluteal) surface of the ilium (b/w superior & anterior gluteal lines)
34
What is the origin of the Gluteus Minimus?
Lateral (gluteal) surface of the ilium (b/w anterior & inferior gluteal lines)
35
What is the origin of the Tensor Fascia Lata?
Iliac crest (lateral/posterior to ASIS)
36
What is the origin of the Piriformis?
Anterior border of the sacrum
37
What is the origin of the Quadratus Femoris?
Ischial tuberosity (lateral border)
38
What is the insertion of the Rectus Abdominus?
Cartilages of ribs 5, 6, 7 & Xyphoid process
39
What is the insertion of the External Oblique?
Anterior 1/2 of external iliac crest, abdominal aponeurosis to linea alba
40
What is the insertion of the Internal Oblique?
Internal surface of ribs 12 -10, abdominal aponeurosis to linea alba.
41
What is the insertion of the transversus abdominus?
abdominal aponeurosis to linea alba
42
What is the insertion of the diaphragm?
Central tendon (located just anterior to the center of the dome)
43
What is the insertion of the External Intercostal?
Superior border of rib below.
44
What is the insertion of the Internal Intercostal?
Inferior border of rib above
45
What is the insertion of the Psoas?
Lesser trochanter of femur (posterior aspect)
46
What is the insertion of the Iliacus?
Lesser trochanter of femur
47
What is the insertion of the Gluteus Maximus?
IT band (superficial fibers) & gluteal tuberosity (deep fibers)
48
What is the insertion of the Gluteus Medius?
Greater trochanter (lateral superior aspect)
49
What is the insertion of the Gluteus Minimus?
Greater trochanter (anterior border)
50
What is the insertion of the Tensor Fascia Lata?
IT Band
51
What is the insertion of the Piriformis?
Greater trochanter (superior aspect)
52
What is the insertion of the Quadratus Femoris?
Intertrochanteric crest
53
Which two muscles insert on the IT band?
Tensor Fascia Lata and Gluteus Maximus
54
What are the actions of the Rectus Abdominus?
A – Flexion of trunk (bilaterally), *Compression of abdomen.
55
What are the actions of the External Oblique?
A – Bilaterally – trunk flexion Unilaterally – Trunk: lateral flexion to same side, trunk rotation to opposite side (contralateral) *Compression of abdomen.
56
What are the actions of the Internal Oblique?
A – Bilateral – trunk flexion Unilateral – trunk lateral flexion and rotation to same side (ipsilateral) *Compression of abdomen
57
What are the actions of the Transversus Abdominus?
A – Compression of abdomen, assists in forced expiration
58
What are the actions of the Diaphragm?
A - Draw down the central tendon of the diaphragm
59
What are the actions of the External Intercostal?
A – Assist with inspiration
60
What are the actions of the Internal Intercostal?
A – Assist with exhalation
61
What are the actions of the Psoas?
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
What are the actions of the Iliacus?
A - Hip flexion, ADduction, rotation (lateral) | Reverse action – pelvis anterior tilt
63
What are the actions of the Gluteus Maximus?
``` Hip: 1. Extension 2. lateral rotation 3. Abduction 4. some ADduction (lower fibers) Pelvis: 1. Extension (distal attachment fixed) ```
64
What are the actions of the Gluteus Medius?
``` 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
What are the actions of the Gluteus Minimus?
1. Abduction of hip 2. medial rotation of hip 3. hip flexion
66
What are the actions of the Tensor Fascia Lata?
1. Abduction of hip 2. medial rotation of hip 3. hip flexion
67
What are the actions of the Piriformis?
1. Lateral rotation of hip | 2. Abduction when hip is flexed to 90o
68
What are the actions of the Quadratus Femoris?
Hip lateral rotation
69
Which muscles flex the hip?
``` Gluteus medius (anterior fibers) Gluteus minimus Tensor fascia lata Psoas Iliacus ```
70
Which muscles extend the hip?
``` Gluteus maximus (all fibers) Gluteus medius (posterior fibers) ```
71
Which muscles do medial rotation?
Gluteus medius (anterior fibers) Gluteus minimus Tensor fascia lata
72
Which muscles do lateral rotation?
``` Gluteus maximus (all fibers) Gluteus medius (posterior fibers) Piriformis Quadratus femoris Psoas major Iliacus ```
73
Which muscles do aBduction?
``` Gluteus maximus (all fibers) Gluteus medius (all fibers) Gluteus minimus Tensor fascia lata Piriformis (when hip is flexed) ```
74
Which muscles do aDduction?
Psoas major Iliacus Gluteus maximus (lower fibers)
75
Which are the abdominal muscles?
Rectus Abdominis External Oblique Internal Oblique Transverse Abdominus
76
Which muscles depress the ribs?
Internal Intercostals (assists) | Also: Serratus Posterior Inferior
77
Which muscles elevate the ribs?
External Intercostals (assists) (Also: All scalenes, the SCM, Serratus Posterior Superior, Pec major and minor, Serratus Anterior (if scapula is fixed), Subclavius)
78
Which muscles do lateral flexion of the spine?
External oblique Internal oblique (Also: Spinalis, Longissimus, Iliocostalis, Quadratus Lumborum, Intertransversarii, Latissimus dorsi)
79
Which muscles do rotation of the spine?
``` External oblique (to the opposite side) Internal oblique (to the same side) ``` (also: multifidi, rotatores)
80
Which muscles flex the spine?
``` Rectus abdominus External oblique (bilaterally) Internal oblique (bilaterally) ```
81
Which muscles extend the spine?
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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