Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

MSK > UL Muscles > Flashcards

UL Muscles Flashcards

(57 cards)

Start Studying
1
Q

Sternocleidomastoid

A

O: manubrium and medial clavicle
I: mastoid process & lateral superior nuchal line
INN: CN XI (motor spinal part)
A: moves head and neck

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

Upper trapezius

A

O: medial superior nuchal line & external occipital protuberance
I: lateral clavicle
INN: CN XI (motor spinal part)
A: clavicular elevation; scapular elev, ADD, upward rot’n

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

Middle trapezius

A

O: ligamentum nuchae & C7-T12 spinous processes
I: acromion process & spine of scapula
INN: CN XI (motor spinal part)
A: scapular retraction/ADD

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

Lower Trapezius

A

O: ligamentum nuchae & C7-T12 spinous processes
I: medial spine of scapula
INN: CN XI (motor spinal part)
A: scapular depression & upward rotation

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

Subclavius

A

O: 1st rib
I: inferior middle 1/3 clavicle
INN: nerve to subclavius (C5-6)
A: pulls clavicle medially to stabilise SC joint

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

Levator scapulae

A

O: C1-4 transverse processes
I: medial border scapula above medial spine of scapula
INN: C3,4 ventral rami + dorsal scapular (C5)
A: scapular elevation, adduction & downward rotation

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

Rhomboid minor

A

O: ligamentum nuchae, C7 & T1
I: medial border scapula medial spine of scapula
INN: dorsal scapular (C5)
A: scapular elevation, adduction & downward rotation

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

Rhomboid major

A

O: T2-5 spinous processes
I: medial border scapula below medial spine of scapula
INN: dorsal scapular (C5)
A: scapular elevation, adduction & downward rotation

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

Serratus anterior

A 
O: anterolateral ribs 1 to 10
I: medial, ventral border of scapula
INN: long thoracic (C5-7)
A: scapular protraction/ABD,
upward rot’n, scapular elevation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Pectoralis minor

A

O: anterior ribs 3-5
I: corocoid process
INN: medial and lateral pectoral nerves (C6-T1)
A: scapular anterior tilt

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

Pectoralis major (sternocostal head)

A

O: sternum & 1st to 7th costal cartilages
I: lateral lip intertubercular sulcus of humerus
INN: medial & lateral pectoral nerves (C7-T1)
A: Ext, medial rotation

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

Latissimus dorsi

A

O: T7-12, lumbar & sacral spinous processes, posterior iliac crest & lower 3 ribs
I: intertubercular sulcus, inferior angle of scapula
INN: thoracodorsal (C6-8)
A: Ex, ADD, medial rot’n

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

Pectoralis major (clavicular head)

A

O: medial 2/3 clavicle
I: lateral lip intertubercular sulcus of humerus
INN: medial & lateral pectoral nerves (C5-6)
A: Fx, medial rotation

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

Deltoid

A 
O: A = lateral 1/3 clavicle
M = acromion process
P = spine of scapula
I: deltoid tuberosity
INN: axillary (C5,6)
A: A = Fx
M =ABD
P = Ex
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Supraspinatus

A

O: supraspinous fossa of scapula
I: greater tubercle of humerus
INN: suprascapular (C5,6)
A: GHJ ABD & stabilisation

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

Infraspinatus

A

O: infraspinous fossa of scapula
I: greater tubercle of humerus
INN: suprascapular (C5,6)
A: GHJ lateral rotation & stabilisation

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

Teres minor

A

O: lateral dorsal scapula
I: greater tubercle of humerus
INN: axillary (C5,6)
A: GHJ lateral rot’n & stabilisation

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

Subscapularis

A

O: subscapular fossa
I: lesser tubercle of humerus
INN: upper & lower subscapular (C5-6)
A: GHJ medial rotation & stabilisation

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

Teres major

A

O: dorsal inferior angle of scapula
I: medial lip intertubercular sulcus of humerus
INN: lower subscapular (C5-6)
A: GHJ medial rot’n, ADD, Ex

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

Coracobrachialis

A

O: coracoid process
I: medial midshaft humerus
INN: musculocutaneous (C5-7)
A: GHJ Fx, ADD

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

Biceps brachii long head

A

O: supraglenoid tubercle of scapula
I: radial tuberosity and bicipital aponeurosis
INN: musculocutaneous (C5-6)
A: GHJ Fx, elbow Fx, supination

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

Biceps brachii short head

A

O: coracoid process of scapula
I: radial tuberosity and bicipital aponeurosis
INN: musculocutaneous (C5-6)
A: elbow Fx, supination

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

Brachialis

Study These Flashcards
A

O: distal anterior humerus
I: tuberosity and coronoid process of ulnar
INN: musculocutaneous (C5-6)
A: elbow Fx

24
Q

Triceps brachii long head

Study These Flashcards
A

O: infraglenoid tubercle of scapula
I: olecranon of ulna
INN: radial (C5-7)
A: GHJ Ex, ADD, elbow Ex

25
Triceps brachii lateral head
O: pos. humerus above radial groove I: olecranon of ulna INN: radial (C5-7) A: elbow Ex
26
Triceps brachii medial head
O: pos humerus below radial groove I: olecranon of ulna INN: radial (C5-7) A: elbow Ex
27
Anconeus
O: lateral epicondyle of humerus I: olecranon of ulna INN: radial (c6-8) A: elbow Ex
28
Pronator teres
O: medial epicondyle of humerus, coronoid process of ulna I: midshaft radius INN: median (C6-7) A: pronation
29
Flexor carpi radialis
O: medial epicondyle of humerus I: base of MC II + III INN: median (C6-7) A: wrist Fx, ABD
30
Palmaris longus
O: medial epicondyle of humerus I: flexor retinaculum and palmar aponeurosis INN: median (C6-7) A: weak wrist flexor
31
Flexor carpi ulnaris
O: medial epicondyle of humerus, proximal 2/3 ulna I: pisiform, hamate, base of MC V INN: ulnar (C8-T1) A: wrist Fx, ADD
32
Pronator quadratus
O: distal ulna I: distal radius INN: median (C8-T1) A: pronation
33
Flexor digitorum superficialis
O: medial epicondyle of humerus, coronoid process of ulna I: mid phalanges 2-5 INN: median (C6-7) A: wrist, MP/PIP 2-5 Fx
34
Flexor digitorum profundus
O: anteromedial ulna, interosseous membrane I: distal phalanges 2-5 INN: lateral - median (C6-8), medial - ulnar (C8) A: wrist, MP/PIP/DIP 2-5 Fx
35
Flexor pollicis longus
O: anterior radius, interosseous membrane I: distal phalanx 1 INN: median (C6-7) A: MP/IP 1 Fx, weak wrist Fx
36
Brachioradialis
O: lateral supracondylar ridge of humerus I: styloid process of radius INN: radial (C5-6) A: elbow Fx
37
Extensor carpi radialis longus
O: lateral supracondylar ridge and lateral epicondyle of humerus I: dorsal base of MC II INN: radial (C6-7) A: wrist Ex, ABD
38
Extensor carpi radialis brevis
O: lateral epicondyle of humerus I: dorsal surface of MC III INN: radial (C7-8) A: wrist Ex, ABD
39
Supinator
O: lateral epicondyle of humerus and ulna distal to radial notch I: anterolateral radius distal to radial tuberosity INN: radial (C6-8) A: supination
40
Extensor digitorum
O: lateral epicondyle of humerus I: distal and middle phalanges 2-5 INN: radial (C6-8) A: wrist, MP/PIP/DIP 2-5 Ex
41
Extensor digiti minimi
O: lateral epicondyle of humerus I: proximal phalanx 5 INN: radial (C6-8) A: wrist, MP/PIP 5 Fx
42
Abductor pollicis longus
O: proximal radius and ulna, interosseous membrane I: lateral edge of MC I INN: radial (C6-8) A: thumb ABD, wrist Ex
43
Extensor carpi ulnaris
O: lateral epicondyle of humerus I: base of MC V INN: deep radial (C7-8) A: wrist Ex, ADD
44
Extensor pollicis brevis
O: pos. radius, interosseous membrane I: proximal phalanx 1 INN: deep radial (C7-8) A: MP 1 Ex, weak wrist Ex
45
Extensor pollicis longus
O: pos. ulna, interosseous membrane I: distal phalanx 1 INN: deep radial (C7-8) A: MP/IP 1 Ex, weak wrist Ex
46
Extensor indicis
O: pos. ulna, interosseous membrane I: tendon of extensor digitorum INN: deep radial (C7-8) A: MP/PIP/DIP 2 Ex, weak wrist Ex
47
Abductor pollicis brevis
O: flexor retinaculum, scaphoid, trapezium I: lateral proximal phalanx 1 INN: median (C8-T1) A: thumb ABD
48
Flexor pollicis brevis
O: flexor retinaculum, trapezium I: proximal phalanx 1 INN: median (C8-T1) A: thumb Fx
49
Opponens pollicis
O: flexor retinaculum, trapezium I: lateral MC I INN: median (C8-T1) A: thumb opposition
50
Abductor digiti minimi
O: pisiform, FCU tendon I: proximal phalanx 5 INN: ulnar (C8-T1) A: digit 5 ABD
51
Flexor digiti minimi
O: hamate, flexor retinaculum I: proximal phalanx 5 INN: ulnar (C8-T1) A: digit 5 Fx
52
Opponens digiti minimi
O: hamate, flexor retinaculum I: MC V INN: ulnar (C8-T1) A: digit 5 opposition
53
Palmaris brevis
O: palmar aponeurosis, flexor retinaculum I: dermis INN: ulnar (C8-T1) A: improves grip
54
Adductor pollicis
O: MC II + III, capitate, I: base of proximal phalanx 1 and ext. hood INN: ulnar (C8-T1) A: thumb ADD
55
Palmar interossei
O: metacarpal I: extensor expansion INN: ulnar (C8-T1) A: digit 2-5 ADD, MP 2-5 Fx, PIP/DIP 2-5 Ex
56
Dorsal interossei
O: adjacent metacarpals I: extensor expansion INN: ulnar (C8-T1) A: digit 2-5 ABD, MP 2-5 Fx, PIP/DIP 2-5 Ex
57
Lumbricales
O: tendons of FDP I: radial side of extensor expansion INN: ulnar (C8-T1) A: MP 2-5 Fx, PIP/DIP 2-5 Ex

MSK (11 decks)

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