Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

MSK 100 test 1 > Lecture 5: Anterior and posterior abdominal wall muscles Inguinal canal > Flashcards

Lecture 5: Anterior and posterior abdominal wall muscles Inguinal canal Flashcards

1
Q

What is the origin and insertion of the Obliquus externus abdominis?

A

O: External surfaces of lower 8 ribs
I: -Linea alba, pubic tubercle, anterior half of iliac crest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which abdominal muscle is the largest and most superficial of the later region of the torso?

A

obliquus externus abdominis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are the origins and attachments of the obliquus internus abdominis?

A

O: -lateral 1/3 of inguinal ligament
-anterior 2/3 of iliac crest
-thoracolumbar fascia

I:-linea alba
-lower three ribs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the origins and insertions of the Transversus abdominis?

A

O: -inguinal ligament, iliac crest, Thoracolumbar fascia, cartilages of the lower six ribs

I: Linea alba

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the origins and insertions of rectus abdominis?

A

O: pubic crest, symphysis of pubis
I: xiphoid process, cartilages of ribs 5,6,7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 3 fibrous bands that cross the rectus abdominis?

A

Tendinous Intersections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What feature separates the R & L rectus abdominis?

A

Linea Alba

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the layers of the abdominal wall?

A

-skin
-Campers fascia
-Scarpa’s fascia
-Rectus sheath
-Transversalis fascia
-Extraperitoneal fat
-Parietal Peritoneum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Describe the camper’s fascia:

A

Fatty layer:
-Thick superficial layer of adipose and areolar connective tissue
-Sits just deep to the skin of the abdomen
-More prominent in lower aspect of abdomen (inferior to umbilicus)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Describe scarpa’s fascia:

A

Deep membranous layer:
-Sits between campers fascia and rectus sheath
-Anchored laterally to the aponeurosis of the external oblique and medially to the linea alba of the rectus sheath

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Describe the rectus sheath:

A

Protective covering over rectus abdominis:
-Composed of the aponeurosis of the three flat muscles as they converge to the midline to form the median linea alba
-external oblique
-Internal oblique
-Transversus abdominis
-Composition of sheath changes inferior to the umbilicus (arcuate line)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Where is the arcuate line located?

A

1/2 of the distance between the umbilicus and pubic symphysis

Anterior to this point, the aponeurosis of all 3 lateral abdominal muscles pass anterior to the rectus abdominis muscle.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

At what level is the rectus abdominis muscle in direct contact with the transversalis fascia?

A

After the arcuate line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the thin layer of connective tissue located between the TA muscle and and the extraperitoneal fat of the parietal peritoneum called?

A

Transversalis fascia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Name the layers of the abdominal wall:

A

1) skin
2) camper’s fascia
3) Scarpa’s fascia
4) Rectus sheath
5) Transversalis fascia
6) Extraperitoneal fat
7) Parietal peritoneum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the two laminas of the rectus sheath?

A

Anterior and Posterior Lamina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What does the anterior lamina consist of in the superior portion of the rectus sheath?

A

full aponeurosis of the external oblique and anterior 1/2 of the aponeuroses of the internal oblique.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What does the posterior lamina consist of in the superior portion of the rectus sheath?

A

Posterior 1/2 of the aponeuroses of the internal oblique and full aponeurosis of transversus abdominis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What does the anterior lamina consist of in the Inferior portion of the rectus sheath?

A

aponeurosis of the 3 abdominal muscles (external oblique, internal oblique, & transversus abdominis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What does the posterior lamina consist of in the Inferior portion of the rectus sheath?

A

No layer
- Transversalis fascia now meets with the rectus abdominis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Name the structures:

A

1) skin
2) Camper’s fascia
3) Scarpa’s fascia
4) External oblique
5) Internal Oblique
6) Transverus abdominis
7) Fascia transversalis
8) Extraperitoneal tissue
9) Parietal layer of peritoneum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What are the Origins and insertions of the quadratus lumborum?

A

O: Iliac crest, iliolumbar ligament
I: Rib 12, TP’s of L1-L4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What nerve innervates the quadratus lumborum?

A

Ventral rami of the spinal nerves: T12, L1, 2, 3, 4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What is the origin and insertion of the Psoas major?

A

O: Bodies of the TP’s of L1-L5
I: Lesser trochanter of femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

What nerve innervates the psoas major?

A

Lumbar plexus (L1,L2, L3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is the origin and insertion of the Iliacus?

A

O: iliac fossa, sacral ala
I: lesser trochanter of femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What nerve innervates the iliacus?

A

Femoral Nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

What is the oblique canal about 4cm long, placed parallel and a little above the medial half of the inguinal ligament?

A

Inguinal Canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

The inguinal canal contains the spermatic chord (males, and the round ligament (females). (True/False)

A

True

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

A triangular gap in the external oblique aponeurosis.

A

Superficial inguinal ring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Oval-shaped opening in the fascia transversalis: situated 1/2 an inch above the mid inguinal point.

A

Deep inguinal ring

32
Q

Formed by the fusion of the lowest aponeurotic fibers of the internal oblique and the transversus abdominis muscles.

A

Conjoint tendon

33
Q

Name the structures:

A

1) Location of the deep inguinal ring
2) Superficial inguinal ring
3) conjoint tendon

34
Q

What bone is the only long bone that lies horizontally?

A

Clavicle

35
Q

Which end of the clavicle does the conoid tubercle lie near?

A

Acromial end

36
Q

Where does the trapezoid line on the clavicle lie?

A

Acromial end near conoid tubercle

37
Q

The subclavian groove lie on which surface of the clavicle?

A

Inferior surface

38
Q

Name the structures of the clavicle:

A

1) Acromial end
2) sternal end
3) acromial facet
4) trapezoid line
5) conoid line
6) subclavian groove
7) sternal facet

39
Q

What ribs does the scapula lay over?

A

2nd-7th ribs

40
Q

The spine of the scapula seperates which two structures?

A

Supraspinous fossa and infraspinous fossa

41
Q

Where does the spine of the scapula attach?

A

Acromion (acromial articular facet)

42
Q

Which angle of the scapula bears the glenoid cavity?

A

Lateral angle

43
Q

What is the small projection on the upper border of the scapula?

A

Supraglenoid tubercle

44
Q

What is the structure that lies below the glenoid cavity on the scapula?

A

Infraglenoid tubercle

45
Q

Where is the coracoid process found on the scapula?

A

Above the glenoid cavity

46
Q

What structure lies on the upper border of the scapula medial to the coracoid process?

A

Suprascapular notch

47
Q

Name the structures of the scapula:

A

1) suprascapular notch
2) superior angle
3) supraspinous fossa
4) infraspinous fossa
5) medial border
6) lateral border
7) Inferior angle
8) Infraglenoid tubercle
9) Notch connecting infra and supra spinous fossa’s
10) Coracoid process
11) Supraglenoid tubercle
12) subscapular fossa

48
Q

What is the name of the shorter bone on the lateral side of the forearm?

A

Radius

49
Q

At the proximal end of the radius is the head bearing what?

A

Fovea articularis

50
Q

What is the landmark that lies between the neck of the radius and the shaft?

A

Radial tuberosity

51
Q

What two landmarks are found at the distal end of the redius?

A

Styloid process and ulnar notch

52
Q

What is the boney elevation that lies on the dorsal side of the distal end of the redius?

A

dorsal tubercle of Lister’s tubercle

53
Q

Name the structures:

A

1) Styloid process
2) Dorsal tubercle
3) Styloid process
4) Radial tuberosity

54
Q

Which forearm bone is medial and longest?

A

Ulna

55
Q

Which bone does the ulna articulate with?

A

Humerus

56
Q

Which two projections of the ulna articulates with the humerus?

A

Olecranon, and coronoid process

57
Q

What landmark does the olecranon and coronoid process form?

A

trochlear notch

58
Q

What landmark is inferior to the coronoid process of the ulna?

A

Tuberosity of the ulna

59
Q

Where does the radius attach to the ulna?

A

Radial notch

60
Q

What is the prominent ridge located on the lateral surface of the ulnar shaft?

A

Supinator crest

61
Q

What fossa is between the supinator crest and coronoid process?

A

Supinator fossa

62
Q

Where does the interosseous membrane attach to the ulna?

A

interosseous border on the medial portion of the shaft

63
Q

The distal end of the ulna is the head of the ulna with a small, conical ulnar styloid process. (True/False)

A

True

64
Q

Name the structures of the ulna:

A

1) olecranon
2) Trochlear notch
3) Coronoid process
4) Radial notch of ulna
5) Ulnar tuberosity
6) Interosseous border
7) Styloid process of the ulna

65
Q

How many carpal bones are there?

A

8

66
Q

Name the proximal row of carpal bones, from lateral to medial.

A

Scaphoid
Lunate
Triquetrum
Pisiform

67
Q

Name the distal row of carpal bones from lateral to medial.

A

Trapezium
Trapezoid
Capitate
Hamate

68
Q

Which of the carpal bones is the largest?

A

Scaphoid

69
Q

What landmark is on the palmar surface of the hamate?

A

Hook of hamate

70
Q

Name the carpal bones:

A

1) Lunate
2) Pisiform
3) Triquetrum
4) Hamate
5) Capitate
6) Scaphoid
7) Trapezium
8) Trapezoid

71
Q

Name the carpal bones:

A

1) Scaphoid
2) Trapezium
3) Trapezoid
4) Lunate
5) Triquetrum
6) Pisiform
7) Hamate
8) Hook of hamate
9) Capitate

72
Q

What is the name of the arch that the carpal bones create?

A

Carpal arch

73
Q

What is the tunnel that is created by the deep fascia on the anterior wrist called?

A

Carpal tunnel

74
Q

What is the name of the deep fascia that creates the carpal tunnel?

A

Flexor retinaculum

75
Q

Name the wrist structures:

A

1) Flexor retinaculum
2) Carpal Tunnel

76
Q

What 3 structures does each metacarpal of the hand have?

A

head
shaft
base

77
Q

How many bones are in a single digit and what are they called?

A

3 bones
-Proximal
-middle
-distal phalanx

MSK 100 test 1 (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions