Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Muscles > Arm and shoulder muscles > Flashcards

Arm and shoulder muscles Flashcards

1
Q

Serratus anterior origin

A

External surfaces of the upper 8 or 9 ribs.

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

Serratus anterior insertion

A

Anterior surface of the medial border of the scapula.

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

Serratus anterior actions with origin fixed

A

Abduct, upwardly rotate and depress the scapula at the scapulothoracic joint, Hold the medial border of the scapula against the rib cage.

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

Serratus anterior innervation

A

Long thoracic nerve

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

Serratus anterior actions with the scapula fixed

A

May act to elevate the thorax during forced inhalation.

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

Serratus anterior palpation key

A

Supine, flex the shoulder to 90 degrees. Place the hand on the posterior ribs and have client alternate between abducting and relaxing the scapula.

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

Pectoralis minor origin

A

Third, fourth and fifth ribs

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

Pectoralis minor insertion

A

Medial surface of the coracoid process of the scapula

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

Pectoralis minor actions

A

Depress, abduct and downwardly rotate the scapula at the S/T joint. Assist to elevate the thorax during forced inhalation when the scapula is fixed.

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

Pectoralis minor innervation

A

Medial pectoral nerve and fibers from the communicating branch of the lateral pectoral nerve.

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

Pectoralis minor palpation key

A

Side-lying, arm flexed and pulled anteriorly. Run thumb under pectoralis major. Ask partner to depress scapula.

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

Coracobrachialis origin

A

Coracoid process of the scapula

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

Coracobrachialis insertion

A

Medial surface of the mid-humeral shaft.

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

Coracobrachialis Actions

A

Flex and adduct the shoulder at the glenohumeral joint.

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

Coracobrachialis innervation

A

Musculocutaneous

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

Coracobrachialis palpation key

A

Supine, laterally rotate and abduct the shoulder to 45 degrees. Place hand along medial side of arm and perform horizontal adduction with resistance.

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

Muscles which flex the shoulder at the glenohumeral joint

A

Deltoid (anterior), pectoralis major (upper), biceps brachii, coracobrachialis.

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

Muscles which extend the shoulder at the glenohumeral joint

A

Deltoid (posterior), latissimus dorsi, teres major, pectoralis major (lower), triceps brachii (long head)

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

Muscles which horizontally abduct the shoulder

A

Deltoid (posterior)

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

Muscles which horizontally adduct the shoulder

A

Deltoid (anterior), pectoralis major (upper)

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

Muscles which abduct the shoulder at the glenohumeral joint

A

Deltoid, supraspinatus

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

Muscles which adduct the shoulder at the glenohumeral joint

A

Latissimus dorsi, teres major, infraspinatus, teres minor, pectoralis major, triceps brachii (long head), coracobrachialis

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

Muscles which laterally rotate the shoulder at the glenohumeral joint

A

Deltoid (posterior), infraspinatus, teres minor

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

Muscles which medially rotate the shoulder at the glenohumeral joint

A

Deltoid (anterior), latissimus dorsi, teres major, subscapularis, pectoralis major

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

Muscles which elevate the scapula

A

Trapezius (upper), rhomboids, levator scapula

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

Muscles which depress the scapula

A

Trapezius (lower), serratus anterior (with origin fixed), pectoralis minor

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

Muscles which adduct the scapula

A

Trapezius (middle), rhomboids

28
Q

Muscles which abduct the scapula

A

Serratus anterior (with origin fixed), pectoralis minor

29
Q

Muscles which upwardly rotate the scapula

A

Trapezius (upper and lower), serratus anterior (with origin fixed)

30
Q

Muscles which downwardly rotate the scapula

A

Rhomboids, levator scapula, pectoralis minor

31
Q

Latissimus dorsi origin

A

Inferior angle of the scapula, spinous processes of the last six thoracic vertebrae, last 3 or 4 ribs, thoracolumbar fascia and posterior iliac crest.

32
Q

Latissimus dorsi insertion

A

Intertubercular groove

33
Q

Teres major origin

A

Inferior angle and lower third of the lateral border of the scapula.

34
Q

Teres major insertion

A

Crest of the lesser tubercle of the humerus.

35
Q

Teres major innervation

A

Lower subscapular

36
Q

Rhomboid major origin

A

Spinous processes of T2 to T5

37
Q

Rhomboid major insertion

A

Medial border of the scapula between the spine of the scapula and the inferior angle.

38
Q

Rhomboid major innervation

A

Dorsal scapula

39
Q

Rhomboid minor origin

A

Spinous processes of C7 and T1

40
Q

Rhomboid minor insertion

A

Upper portion of medial border of the scapula, across from the spine of the scapula.

41
Q

Rhomboid minor innervation

A

Dorsal scapular

42
Q

Trapezius origin

A

External occipital protuberance, medial portion of the superior nuchal line of the occiput, ligamentum nuchae, SPs of C7-T12

43
Q

Trapezius insertion

A

Lateral third of the clavicle, acromion and the spine of the scapula

44
Q

Trapezius innervation

A

Cranial nerve 11

45
Q

Lower trapezius actions

A

Depress and upwardly rotate the scapula

46
Q

Upper trapezius actions

A

Extend the head and neck, side bend the neck, rotate the neck to the opposite side, elevate and upwardly rotate the scapula.

47
Q

Pectoralis major origin

A

Medial half of the clavicle, sternum and cartilage of the first through sixth ribs.

48
Q

Pectoralis major insertion

A

Crest of the greater tubercle of the humerus

49
Q

Pectoralis major actions

A

All fibers adduct and medially rotate the shoulder. Upper fibers also flex and horizontally adduct the shoulder. Lower fibers also extend the shoulder to neutral.

50
Q

Pectoralis major innervation

A

Lateral pectoral nerve and medial pectoral nerve in the upper fibers.

51
Q

Subclavius origin

A

First rib and cartilage

52
Q

Subclavius insertion

A

Interior surface of the middle third of the clavicle.

53
Q

Subclavius actions

A

Depress the clavicle and draw it anteriorly, elevate the first rib and stabilize the SC joint

54
Q

Subclavius innervation

A

Subclavian

55
Q

Teres minor origin

A

Upper two thirds of lateral border of the scapula

56
Q

Teres minor insertion

A

Greater tubercle of the humerus

57
Q

Teres minor actions

A

Laterally rotate and adduct the shoulder, stabilize the head of the humerus

58
Q

Teres minor innervation

59
Q

Biceps brachii origin

A

Coracoid process of the scapula and supraglenoid tubercle

60
Q

Biceps brachii insertion

A

Tuberosity of the radius and aponeurosis of the the biceps brachii.

61
Q

Biceps brachii actions

A

Flex the elbow and shoudler and supinate the forearm

62
Q

Triceps brachii origin

A

Infraglenoid tubercle of the scapula and posterior surface of the humerus.

63
Q

Triceps brachii innervation

64
Q

Triceps brachii actions

A

Extend the elbow. THe long head also extends and adducts the shoulder.

65
Q

Levator scapula origin

A

Transverse processes of the first through fourth vertebrae.

66
Q

Levator scapula insertion

A

Medial border of the scapula, between the superior angle and superior portion of the spine of the scapula.

67
Q

Levator scapula innervation

A

Cervical and dorsal scapular

Muscles (6 decks)

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