Lecture 10 part one (SECOND MIDTERM)

Question 1

What indicates the separation between epaxial and hypaxial?

Answer 1

Transverse processes

Question 2

Cep (biCEP, triCEP) refers to…

Answer 2

the numbers of heads

Question 3

What are the three layers of epaxial muscles (superficial to deep)?

Answer 3

Erector spinae
Intermediate layer
Deep layer

Question 4

What are the three layers of erector spinae (lateral to medial)?

Answer 4

Iliocostalis
Longissimus
Transverso-spinalis

Question 5

Iliocostalis…
Origin:
Insertion:

Answer 5

Origin: sacrum/iliac crest
Insertion: ribs

Question 6

Longissimus…
Origin:
Insertion:

Answer 6

Origin: sacrum/iliac crest
Insertion: transverse processes

Question 7

Transverso-spinalis…
Origin:
Insertion:

Answer 7

Origin: sacrum/iliac crest/transverse processes
Insertion: spinous processes

Question 8

What are the layers of the Intermediate layer?

Answer 8

Multifidus

Semispinalis

Question 9

Multifidus…
Origin:
Insertion:

Answer 9

Origin: sacrum/iliac crest
Insertion: spinous process

Question 10

Semispinalis…
Origin:
Insertion:

Answer 10

Origin: transverse processes
Insertion: spinous processes

Question 11

What does the deep layer of epaxial muscle do?

Answer 11

the deep layer consists of short slips of muscle that connect adjacent vertebrae

Question 12

What are the 3 layers of hypaxial musculature?

Answer 12

Body wall
Prevertebral
Limbs

Question 13

What are the subdivisions of the body wall?

Answer 13

Abdominal
Thoracic
Perineal
Neck (odd one out)

Question 14

What are the subdivisions of the abdominal group (superficial to deep)?

Answer 14

External oblique
Internal oblique
Transversus

Question 15

The limbs usually don’t receive innervation from…

Instead, from…

Answer 15

dorsal rami

ventral rami

Question 16

Ventral rami only goes to what structures?

Answer 16

hypaxial

Question 17

External oblique…
Origin:
Insertion:

Answer 17

Origin: lower 8 ribs
Insertion: top of rectus sheath

Question 18

Internal oblique…
Origin:
Insertion:

Answer 18

Origin: iliac crest
Insertion: rectus sheath

Question 19

Transversus…
Origin:
Insertion:

Answer 19

Origin: thoracolumbar fascia
Insertion: sheath below abdominus rectus

Question 20

What does the neck NOT share with the other subdivisions of the body wall?

Answer 20

the other subdivisions have coelom

Question 21

What are the subdivisions of the thoracic group?

Answer 21

External intercostal
Internal intercostal
Transversus thoracis

Question 22

External intercostal fibers go in the same direction as…

Answer 22

external oblique

Question 23

Internal intercostal fibers go in the same direction as…

Answer 23

internal oblique

Question 24

External intercostal is homologous to…

Answer 24

external oblique

Question 25

Internal intercostal is homologous to...

Answer 25

internal oblique

Question 26

Transversus thoracis...

Answer 26

does NOT have "transverse" fibers; they expand differently

Question 27

What are the layers of the perineal group (superficial to deep)?

Answer 27

Urogential diaphragm Pelvic diaphragm Transversalis fascia

Question 28

Urogenital diaphragm:

Answer 28

- external anal sphincter | - deep transverse perineal

Question 29

Pelvic diaphragm:

Answer 29

- coccygeus | - levator ani

Question 30

What are the only things "left" in the neck region? | What does it lack?

Answer 30

scalenes | coelomic space

Question 31

What are the strap muscles?

Answer 31

``` Rectus abdominis Geniohyoid Omohyoid Sternohyoid Sternothyroid Pyramidalis ```

Question 32

What consists of the "rectus series" of the strap muscles?

Answer 32

Geniohyoid Omohyoid Sternohyoid Sternothyroid

Question 33

The linea alba is the "midline" in between..

Answer 33

the rectus abdominis

Question 34

What covers rectus abdominis?

Answer 34

rectus sheath

Question 35

Prevertebral musculature consists of:

Answer 35

Longus capitis Longus colli Quadratus lumborum

Question 36

Quadratus lumborum... Origin: Insertion: What does it do?

Answer 36

Origin: iliac crest, lower lumbar vertebrae Insertion: T12, L1-L4, rib 12 Abducts vertebral column and depresses rib 12

Question 37

What is the line that marks the change from having the deep leaf of the rectus sheath to NOT having it?

Answer 37

arcuate line

Question 38

Geniohyoid... Origin: Insertion:

Answer 38

Origin: chin Insertion: hyoid -lifts the hyoid

Question 39

Omohyoid... Origin: Insertion:

Answer 39

Origin: shoulder Insertion: hyoid -depresses the hyoid

Question 40

Sternohyoid... Origin: Insertion:

Answer 40

Origin: sternum Insertion: hyoid

Question 41

Sternothyroid... Origin: Insertion:

Answer 41

Origin: sternum Insertion: thyroid

Question 42

Longus capitis... Origin: Insertion:

Answer 42

Origin: cervical vertebrae Insertion: head (base of skull)

Question 43

Longus colli... Origin: Insertion:

Answer 43

Origin: thoracic vertebrae Insertion: neck (cervical vertebrae)

Question 44

Appendicular musculature is a subdivision of...

Answer 44

hypaxial musculature

Question 45

Ventral ramus further divides into what divisions?

Answer 45

dorsal division and ventral division

Question 46

If it attaches to the pubic bone, it is in the quadrant...

Answer 46

Cranial ventral

Question 47

If it attaches to the ischium, it is in the quadrant...

Answer 47

Caudal ventral

Question 48

If it attaches to the upper part of ilium, it is in the quadrant...

Answer 48

Cranial dorsal

Question 49

If it attaches to the lower part of ilium, it is in the quadrant...

Answer 49

Caudal dorsal

Question 50

``` Colors... Yellow Blue Red Green ```

Answer 50

Yellow: cranial/dorsal Blue: cranial/ventral Red: caudal/dorsal Green: caudal/ventral