Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Muscles of back/upper extremity > BLOCK 1 BACK/ARM FINAL 2 > Flashcards

BLOCK 1 BACK/ARM FINAL 2 Flashcards

(91 cards)

Start Studying
1
Q

Pectoralis major attachments

A

P: medial 1/2 clavicle, manubrium, sternum, costal cartilages 1-6, external obliques
D: intertubercular sulcus of humerus

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

Pectoralis major actions

A

protract, inferiorly rotate scapula

adduct, medially rotate humerus

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

Pectoralis major innervation

A

medial and lateral pectoral nerves (C5, C6)

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

Pectoralis major blood supply

A

pectoral branch of thoracoacromial artery

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

Pectoralis minor attachments

A

P: costal cartilage and ribs 3-5
D: coracoid process of scapula

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

Pectoralis minor actions

A

protract, depress, inferiorly rotate scapula

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

Pectoralis minor innervation

A

medial pectoral nerve (C8, T1)

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

Pectoralis minor blood supply

A

pectoral branch of thoracoacromial artery

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

Subclavius attachments

A

P: 1st rib and costal cartilage
D: middle 1/3 clavicle in subclavian groove

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

Subclavius actions

A

assists in stabilizing, depressing clavicle

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

Subclavius innervation

A

nerve to subclavius (C5, C6)

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

Subclavius blood supply

A

clavicular branch of thoracoacromial artery

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

Serratus anterior attachments

A

P: lateral part ribs 1-9
D: medial border of scapula

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

Serratus anterior actions

A

antagonize rhomboids

protract, depress, superiorly rotate scapula

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

Serratus anterior innervation

A

long thoracic nerve (C5, C6, C7)

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

Serratus anterior blood supply

A

lateral thoracic artery

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

Coracobrachialis attachments

A

P: coracoid process of scapula
D: middle 1/3 medial surface of humerus

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

Coracobrachialis actions

A

adducts, flexes arm

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

Coracobrachialis innervation

A

musculocutaneous nerve (C5, C6, C7)

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

Coracobrachialis blood supply

A

brachial artery

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

Biceps brachii attachments

A

P: long head @ supraglenois tubercle of scapula
short head @ coracoid process of scapula
D: radial tuberosity (bicipital aponeurosis)

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

Biceps brachii actions

A

supinates forearm, weakly flexes

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

Biceps brachii innervation

A

musculocutaneous nerve (C5, C6, C7)

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

Biceps brachii blood supply

A

brachial artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Brachialis attachments
P: distal 1/2 anterior humerus D: coronoid process and ulnar tuberosity
26
Brachialis actions
flex forearm at elbow
27
Brachialis innervation
musculocutaneous nerve (C5, C6, C7)
28
Brachialis blood supply
brachial artery
29
Triceps brachii attachments
P: long head @ infraglenoid tubercle of humerus lateral head @ post. humerus sup. to radial groove, medial head @ post. humerus inf. to radial groove D: proximal olecranon
30
Triceps brachii actions
chief extensor of forearm | antagonize biceps
31
Triceps brachii innervation
radial nerve
32
Anconeus attachments
P: lateral epicondyle of humerus D: lateral olecranon, post. ulna
33
Anconeus actions
assist triceps in extending elbow, stabilize elbow
34
Anconeus innervation
radial nerve
35
Pronator teres attachments
P: medial epicondyle of humerus, coronoid process D: middle lateral radius
36
Pronator teres action
pronate forearm, flex at elbow
37
Pronator teres innervation
median nerve
38
Flexor carpi radialis attachments
P: medial epicondyle of humerus D: base of 2nd metacarpal
39
Flexor carpi radialis actions
weakly flex, abduct hand at wrist
40
Flexor carpi radialis innervation
median nerve
41
Palmaris longus attachments
P: medial epicondyle of humerus D: palmar aponeurosis
42
Palmaris longus actions
tense palmar aponeurosis | weakly flex hand at wrist
43
Palmaris longus innervation
median nerve
44
Flexor carpi ulnaris attachments
P: medial epicondyle of humerus, olecranon, post. ulna border D: pisiform, hook of hamate, 5th metacarpal
45
Flexor carpi ulnaris actions
flex, adduct hand at wrist
46
Flexor carpi ulnaris innervation
ulnar nerve
47
Flexor digitorum superficialis attachments
P: medial epicondyle, superior 1/2 anterior radius D: middle phalanges digits 2-5
48
Flexor digitorum superficialis actions
flex middle and proximal phalanges
49
Flexor digitorum superficialis innervation
median nerve
50
Flexor digitorum profundus attachments
P: interosseous membrane, proximal ant. med. ulna D: base of digits 2-5
51
Flexor digitorum profundus actions
flex distal phalanges
52
Flexor digitorum profundus innervation
ulnar half: ulnar nerve | radial half: anterior interosseous nerve
53
Flexor pollicis longus attachments
P: interosseous membrane, anterior radius D: base of distal phalanx of thumb
54
Flexor pollicis longus innervation
anterior interosseous nerve
55
Pronator quadratus attachments
P: distal 1/4 ulna D: distal 1/4 radius
56
Pronator quadratus actions
pronate forearm, bind ulna and radius
57
Pronator quadratus innervation
anterior interosseous nerve
58
Brachioradialis attachments
P: lateral supracondylar ridge of humerus D: distal radius proximal to styloid
59
Brachioradialis actions
flex forearm at elbow
60
Brachioradialis blood supply
radial recurrent artery
61
Brachioradialis innervation
superficial branch of radial nerve
62
Extensor carpi radialis longus attachments
P: lateral supracondylar ridge of humerus D: base of 2nd metacarpal
63
Extensor carpi radialis longus actions
extend and abduct hand at wrist
64
Extensor carpi radialis longus innervation
superficial branch of radial nerve
65
Extensor carpi radialis brevis attachments
P: lateral epicondyle of humerus D: base of 3rd metacarpal
66
Extensor carpi radialis brevis actions
extend and abduct hand at wrist
67
Extensor carpi radialis brevis innervation
deep branch of radial nerve
68
Extensor digitorum attachments
P: lateral epicondyle of humerus D: extensor expansions of digits 2-5
69
Extensor digitorum actions
extend digits 2-5 at MCPs and IPs
70
Extensor digitorum innervation
deep branch of radial nerve
71
Extensor digiti minimi attachments
P: lateral epicondyle of humerus D: extensor expansion of 5th digit
72
Extensor digiti minimi action
extend 5th digit at MCP and IP
73
Extensor digiti minimi innervation
deep branch of radial nerve
74
Extensor carpi ulnaris attachments
P: lateral epicondyle of humerus D: base of 5th metacarpal
75
Extensor carpi ulnaris actions
extend, adduct hand at wrist
76
Extensor carpi ulnaris innervation
deep branch of radial nerve
77
Supinator attachments
P: lateral epicondyle of humerus D: lateral posterior/anterior proximal 1/3 radius
78
Supinator actions
supinate forearm
79
Supinator innervation
deep branch of radial nerve
80
Extensor indicis attachments
P: distal 1/3 ulna, post. interosseous membrane D: extensor expansion of 2nd digit
81
Extensor indicis actions
extend 2nd digit and hand at wrist
82
Extensor indicis innervation
posterior interosseous nerve
83
Abductor pollicis longus attachments
P: post. interosseous membrane, post. ulna/radius D: base of 1st metacarpal
84
Abductor pollicis longus actions
abduct thumb, extend @ CMC
85
Abductor pollicis longus innervation
posterior interosseous nerve
86
Extensor pollicis longus attachments
P: interosseous membrane, post. ulna D: base of distal phalanx of thumb
87
Extensor pollicis longus actions
extend distal phalanx, MCP, CMC of thumb
88
Extensor pollicis longus innervation
posterior interosseous nerve
89
Extensor pollicis brevis attachments
P: interosseous membrane, distal 1/3 post. radius D: base of proximal phalanx
90
Extensor pollicis brevis actions
extend proximal phalanx of @ MCP of thumb, extend CMC
91
Extensor pollicis brevis innervation
posterior interosseous nerve

Muscles of back/upper extremity (12 decks)

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