Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Sum 2014 - Anat Exam 1 > Exam 1 - Back - Muscles > Flashcards

Exam 1 - Back - Muscles Flashcards

(56 cards)

Start Studying
1
Q

What innervates the Trapezius?

A

motor: spinal accessory (XI), proprioception: C3-C4

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

What is the function of the Trapezius?

A

elevates and depresses the scapula (depending on which part of the muscle contracts); rotates the scapula superiorly; retracts scapula

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

What are the origins of the Trapezius?

A

medial third of the superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of vertebrae C7-T12

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

What are the insertions of the Trapezius?

A

lateral third of the clavicle, medial side of the acromion and the upper crest of the scapular spine, tubercle of the scapular spine

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

What innervates the Latissimus dorsi?

A

thoracodorsal nerve (C7,8) from the posterior cord of the brachial plexus

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

What is the function of the Latissimus dorsi?

A

extends the arm and rotates the arm medially

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

What are the origins of the Latissimus dorsi?

A

vertebral spines from T7 to the sacrum, posterior third of the iliac crest, lower 3 or 4 ribs, sometimes from the inferior angle of the scapula

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

What is the insertion of the Latissimus dorsi?

A

floor of the intertubercular groove

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

What innervates the Levator Scapulae?

A

dorsal scapular nerve (C5); the upper part of the muscle receives branches of C3 & C4

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

What is the function of the Levator Scapulae?

A

elevates the scapula

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

What is the origin of the Levator Scapulae?

A

transverse processes of C1-C4 vertebrae

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

What is the insertion of the Levator Scapulae?

A

medial border of the scapula from the superior angle to the spine

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

What innervates the Rhomboid major?

A

dorsal scapular nerve (C5)

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

What is the function of the Rhomboid major?

A

retracts, elevates and rotates the scapula inferiorly

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

What is the origin of the Rhomboid major?

A

spines of vertebrae T2-T5

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

What is the insertion of the Rhomboid major?

A

medial border of the scapula inferior to the spine of the scapula

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

What are the 3 Erector Spinae Muscles?

A

Iliocostalis, Longissimus, Spinalis

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

What innervates the Iliocostalis?

A

dorsal primary rami of spinal nerves C4-S5

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

What are the functions of the Iliocostalis?

A

extends and laterally bends the trunk and neck

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

What are the origins of the Iliocostalis?

A

iliac crest and sacrum

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

What are the insertions of the Iliocostalis?

A

angles of the ribs

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

What innervates the Longissimus?

A

dorsal primary rami of spinal nerves C1-S1

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

What are the functions of the Longissimus?

Study These Flashcards
A

extends and laterally bends the trunk, neck and head

24
Q

What are the origins of the Longissimus?

Study These Flashcards
A

transverse process at inferior vertebral levels

25
What are the insertions of the Longissimus?
transverse process at superior vertebral levels and mastoid process
26
What innervates the Spinalis?
dorsal primary rami of spinal nerves C2-L3
27
What are the functions of the Spinalis?
extends and laterally bends trunk and neck
28
What are the origins of the Spinalis?
spinous processes at inferior vertebral levels
29
What are the insertions of the Spinalis?
spinous processes at superior vertebral levels and base of the skull
30
What innervates the Serratus Posterior Inferior?
branches of the ventral primary rami of spinal nerves T9-T12
31
What are the functions of the Serratus Posterior Inferior?
pulls down lower ribs
32
What are the origins of the Serratus Posterior Inferior?
thoracolumbar fascia, spines of vertebrae T11-T12 and L1-L2
33
What are the insertions of the Serratus Posterior Inferior?
ribs 9-12, lateral to the angles
34
What innervates the Serratus Posterior Superior?
branches of the ventral primary rami of spinal nerves T1-T4
35
What is the function of the Serratus Posterior Superior?
elevates the upper ribs
36
What are the origins of the Serratus Posterior Superior?
ligamentum nuchae, spines of vertebrae C7 and T1-T3
37
What are the insertions of the Serratus Posterior Superior?
ribs 1-4, lateral to the angles
38
What innervates the Splenius?
dorsal primary rami of spinal nerves C2-6
39
What are the functions of the Splenius?
extends and laterally bends neck and head; rotates head to same side
40
What are the origins of the Splenius?
ligamentum nuchae and spines C7-T6
41
What are the insertions of the Splenius?
capitis: mastoid process & superior nuchal line laterally; cervicis: posterior tubercles of C1-3
42
What supplies blood to the Trapezius?
transverse cervical a.
43
What supplies blood to the Latissimus dorsi?
thoracodorsal a.
44
What supplies blood to the Levator scapulae?
dorsal scapular a.
45
What supplies blood to the Rhomboid major?
Dorsal scapular artery
46
What are the origins of Rhomboid minor?
inferior end of the ligamentum nuchae, spines of vertebrae C7 and T1
47
What are the insertions of Rhomboid minor?
medial border of the scapula at the root of the spine of the scapula
48
What are the functions of Rhomboid minor?
retracts, elevates and rotates the scapula inferiorly
49
What innervates Rhomboid minor?
dorsal scapular nerve (C5)
50
What supplies blood to Rhomboid minor?
dorsal scapular a
51
What supplies blood to Iliocostalis?
supplied segmentally by: deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
52
What supplies blood to Longissimus?
supplied segmentally by: deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
53
What supplies blood to Spinalis?
supplied segmentally by: deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
54
What supplies blood to Serratus Posterior Inferior?
lowest posterior intercostal a., subcostal a., first two lumbar aa.
55
What supplies blood to Serratus Posterior Superior?
posterior intercostal aa. 1-4
56
What supplies blood to Splenius?
supplied segmentally by: deep cervical a., posterior intercostal aa.

Sum 2014 - Anat Exam 1 (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions