Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Gross Anatomy 1 > A.O.I.N.s of Superficial Back, Scapular Region, & Posterior Arm > Flashcards

A.O.I.N.s of Superficial Back, Scapular Region, & Posterior Arm Flashcards

1
Q

What does the term “Origin” mean?

A

The immobile region of muscle attachment

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

What does the term “Insertion” mean?

A

The mobile region of muscle attachment

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

What is the point of origin for the Trapezius?

A
  1. Superior nuchal line
  2. External occipital protuberance
  3. Ligamentum Nuchae
  4. Spines of the thoracic vertebrae
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the point of insertion for the trapezius?

A
  1. Clavicle
  2. Acromion Process
  3. Spine of the Scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the action of the Trapezius?

A
  1. Stabilizes the scapula
  2. Elevates the scapula (the upper part of the trapezius stabilizes it)
  3. Adducts and depresses the scapula (the middle and lower parts of the trapezius)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What nerve(s) innervate the trapezius?

A

Motor Innervation - C.N. 11/Spinal Accessory Nerve

Sensory Innervation: C.N. 3 & 4

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

What is the point of origin for the rhomboid major?

A

Spines of the upper thoracic vertebrae

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

What is the point of insertion for the rhomboid major?

A

Medial/Vertebral border of the scapula

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

What is the action of the rhomboid major?

A
  1. Elevates the scapula
  2. Adducts the scapula
  3. Stabilize the scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What nerve(s) inserts the rhomboid major?

A

Dorsal Scapular Nerve/C5

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

What is the point of origin for the rhomboid minor?

A

Spines of the lower cervical vertebrae and the first thoracic vertebrae

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

What is the point of insertion for the rhomboid minor?

A

Medial/Vertebral border of the scapula

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

What is the action of the rhomboid minor?

A
  1. Elevates the scapula
  2. Adducts the scapula
  3. Stabilizes the scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What nerve(s) innervate the rhomboid minor?

A

Dorsal Scapular Nerve/C5

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

Origin of the Levator Scapula?

A

The transverse processes of the upper cervical vertebrae

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

Insertion of the Levator Scapula?

A

Superior angle of the scapula

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

What is the action of the Levator Scapula?

A
  1. Elevate the scapula
  2. Adducts the scapula
  3. Stabilizes the scapula
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What nerve(s) innervate the Levator Scapula?

A

Dorsal Scapular Nerve/C5

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

What is the origin of the latissimus dorsi?

A
  1. Spines of the lower thoracic and lumbar vertebrae
  2. Thoracodorsal Fascia
  3. Crest of the ilium
  4. Lower ribs
20
Q

What is the point of insertion for the latissimus dorsi?

A

Intertubercular groove/lesser tubercule of the humerus

21
Q

What is the action of the latissimus dorsi?

A
  1. Extends, adducts, & medially rotates the humerus
  2. Forced expiration
22
Q

What nerve(s) innervates the latissimus dorsi?

A

Thoracodorsal nerve/C6, C7, C8

23
Q

Origin of Pectoralis Major?

A
  1. Clavicle
  2. Sternum & upper ribs
  3. External & oblique muscles
24
Q

Insertion of pectoralis major?

A

Greater tuberosity of the humerus

25
Q

Action of pectoralis major?

A
  1. Adducts & medially rotates the humerus
  2. Forded inspiration

Clavicular Portion: Flexes the humerus at the shoulder joint

Sternocostal Portion: Extends the humerus at the shoulder joint

26
Q

Nerve innervation of the Pectoralis Minor?

A

Medial and Lateral pectoral nerves/ C8-T1 & C5-C7

27
Q

Origin of pectoralis minor?

28
Q

Insertion of pectoralis minor?

A

Coracoid process of the scapula

29
Q

Actions of the pectoralis minor?

A
  1. Abducts the scapula
  2. Forced inspiration
30
Q

Nerve supply of pectoralis minor?

A

Medial Pectoral nerve

31
Q

Origin of subclavius?

32
Q

Insertion of subclavius?

A

Subclavian groove of the clavicle

33
Q

Actions of the subclavius?

A
  1. Pulls the clavicle medially
  2. Protects clavicle and subclavian blood vessels
34
Q

Nerve supply to subclavius?

A

Subclavian nerve/C5-C6

35
Q

Origin of serratus anterior?

A

Upper 8 or 9 ribs

36
Q

Insertion of serratus anterior?

A

Medial/vertebral border of the scapula

37
Q

Actions of serratus anterior?

A
  1. Abducts the scapula
  2. Stabilizes the scapula
38
Q

Nerve supply of serratus anterior?

A

Long thoracic/C5, C6, C7

39
Q

Origin of the deltoid muscle?

A
  1. Clavicle
  2. Acromion process
  3. Spine of the scapula
40
Q

Insertion of deltoid?

A

Deltoid tuberosity of the humerus

41
Q

Actions of the deltoid?

A

Anterior Portion: Flexes and medially rotates the humerus

Middle portion: Abducts the humerus

Posterior Portion: Extends & Laterally rotates the humerus

42
Q

Nerve supply of deltoid?

A

Axillary Nerve/C5, C6

43
Q

Origin of supraspinatous?

A

Supraspinatous fossa of the scapula

44
Q

Insertion of supraspinatous?

A

Greater tuberosity of the humerus

45
Q

Actions of supraspinatous?

A
  1. Abducts the humerus
  2. Laterally rotates the humerus
  3. Stabilizes the shoulder joint
46
Q

Nerve supply to supraspinatous?

A

Suprascapular nerve/C5 & C6

Gross Anatomy 1 (10 decks)

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