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Bio 223 > Chapter 10 > Flashcards

Chapter 10 Flashcards

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Biology 101 flashcards
1
Q

origin of the erector spinae?

A

= sacrum/iliac crest

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2
Q

Epax. Muscle: Superficial Layer

A

called the erector spinae

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3
Q

Iliocostalis

A

Erector Spinae Origin = sacrum/iliac crest Insertion = ribs

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4
Q

Longissimus

A

Origin = sacrum/iliac crest Insertion = transverse processes longissimus, describing shape of the muscle, longest muscle in body, sacrum to the skull

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5
Q

Transverso-spinalis

A

Origin = sacrum/iliac crest & transverse processes Insertion = spinous processes -most medial

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6
Q

three divisions of the hypx. muscle

A

Body Wall Prevertebral Limbs (later lecture) (Usually do not receive intervation from dorsal rami )

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7
Q

what are the subdivions of the body wall (hypx. muscle)

A

Abdominal Thoracic Perineal (holding in celomic space Neck(no celomic space unlike others)

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8
Q

intermediate layer of the epaxial muscle: Multifidus

A

Origin = sacrum/iliac crest Insertion = articular processes & spinous processes

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9
Q

intermediate layer of the epaxial muscle: Semispinalis

A

Origin = transverse processes Insertion =spinous processes

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10
Q

what does superior epax relate to intermediate layer or epax. muscle?

A

superficial longer, deeper-shorter

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11
Q

Deep Layer Of epaxial muscle

A

Short slips of muscle, connecting adjacent vertebrae

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12
Q

slide 13

A

understand anatogonist, lateral flexion

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13
Q

abdominal

A

external oblique, internal oblique, transversus

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14
Q

Superficial = external abdominal Oblique

A

Origin: Lower 8 ribs Insertion: top of rectus sheath

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15
Q

Intermediate = Internal Oblique

A

Origin: Iliac crest Insertion: Rectus sheath

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16
Q

Deep = Transversus

A

Origin: Thoracolumbar fascia, overlies expanxial musclature.Insertion: Sheath deep to the abdominus rectus

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17
Q

limbs usually do not recieve intervation from the dorsal or ventral rami? imp. concept

A

it is hypaxial musculature, does not recieve intervation from the dorsal rami

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18
Q

the external oblique and internal oblique are generally what to each other?

A

perpendicular, external oblque down like pockets, internal like thumb

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19
Q

why are the abdominal muscles in several directions?

A

strong in different directions, fiber directions show where it is strong

20
Q

how are the superior abdominal muscle (ext. abdominal oblique)?

A

origin is the lower rib, insertion is at the top of the rectus, general rule is pelvis is usally where things originate and insert more superior, this

21
Q

what are Subdivision of the Thoracic Group?

A

Externalintercostal/InternalIntercostal/Transversus thoracis

22
Q

the three body wall sub divisions, abdominal , thoracic, and perineal are all what to each other?

A

homo, the superfical layers,the intermediate and deep are all homo to each other

23
Q

the intercostals and abdominals muscles go the same fiber direction?

A

yes! besides the transverese throacic which is kind of spiderwebby, spread out radically

24
Q

all deep layers of perional abdominal and intercostals all are what?

A

have to do something with transverse

25
Q

Perineal Group,Superficial

A

Urogenital Diaphragm (External Anal Sphincter concious control//Deep Transverse Perineal)

26
Q

Subdivision of the Perineal Group/Intermediate

A

Pelvic Diaphragm:- Coccygeus- Levator ani

27
Q

Subdivision of the Perineal Group/Deep

A

Transversalis Fascia/Deteriots as you get older, consistent deepest layer,

28
Q

Subdivision of the Neck Region, whats left?

A

Scalenes are what are left

29
Q

The Diaphragm was originally what?

A

hypaxial cervical musculature

30
Q

how did the diaphragm move down?

A

Heart above your headto throaic, heart pushes diaphragm then ends up down, removed it from cervical region

31
Q

strap muscles: rectus abdominis

A

Paired muscle, location and shape/Rectus straight muscle of the abdomin/ Strap like muscles, plevis to head, muscles here are homo. To each other

32
Q

what is a rectus sheath?

A

Sheath of connective tissue, surrounding muscle fibers of rectus abdominos

33
Q

where does the rectus sheath meet?

A

left and right are meeting at midline at the lina alba in between rectus abdominos where sheaths meet each other

34
Q

Geniohyoid,

A

Named after origin and insertion/Genu( chin) inserting to hyoid (hyoid muscle)

35
Q

rectus sheath fibers go which way

A

no consistent, extra support on the outside, move tendons all on the superficial aspect

36
Q

arculate line in the abdominos does what?

A

marks charge deep leaf of rectus sheath, go to the superficial aspect of the abdominoal muscles , inferior

37
Q

Strap musclesRectus Series/Omohyoid

A

Sholder-hyoid, can depress hyoid

38
Q

Strap muscles/Rectus Series/Sternohyoid/Sternothyroid

A

Different insertions, different actions, two different muscles/Even though they have same origin

39
Q

name three Prevertebral Musculature (On the anterior aspect of your transvere processes, deep inside)

A

Longus capitis/Longus colli/Quadratus lumborum

40
Q

longus capitis(lateral to longus colli)

A

origin: cervical vertbrae insertion:base of skull

41
Q

longus colli

A

origin: bodies of vertbrae from throac/insertion:onto your cervical vertbrae for neck

42
Q

Quadratus lumborum

A

short of rectangular in shape/ abduct vertebral column, depresses rib 12 origin:iliac crest, lower lumbar verterbrae I: T12,l1-4,rib 12

43
Q

Attaches to pubic bone, is what quad?

A

Cranial/Ventral:(Superior/Anterior)

44
Q

Attaches to Ischium, is what quad?

A

Caudal/Ventral/Inferior/Anterior)

45
Q

Attaches to upper part of ilium is what quad? iliac crest, medial surface of ilium, ant, ilium spine

A

Cranial/Dorsal

46
Q

attaches the shaft/body of the illium and the lateral surface of the illium, out to the sides

A

Caudal/Dorsal –Inferior/Posterior)

47
Q
A

Bio 223 (8 decks)

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