Upper Limb Muscles Flashcards Preview

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Flashcards in Upper Limb Muscles Deck (42):
1

Supraspinatus

O: supraspinous fossa

I: greater tubercle

N: suprascapular n.

2

Infraspinatus

O: infraspinous fossa

I: greater tubercle

N: suprascapular n.

3

Teres minor

O: lateral margin scapula

I: greater tubercle

N: axillary n.

4

Deltoid

O: lateral 1/3 clavicle
Acromion
Spine scapula

I: deltoid tuberosity

N: axillary n.

5

Subscapularis

O: subscapular fossa

I: lesser tubercle

N: subscapular n.

6

Teres major

O: lateral border scapula ( inf. angle)

I: crest of lesser tubercle

N: thoracodorsal n.

7

Latissimus dorsi

O: spinous processes T7-T12
thoracolumbar fascia
Iliac crest
Inf. angle scapula

I: crest of lesser tubercle

N: thoracodorsal n.

8

Coracobrachialis

O: coracoid process

I: medial surface humerus (continuation of crest of lesser tubercle)

N: musculocutaneous n.

9

Pectoralis minor

O: 3-5th ribs

I: coracoid process

N: pectoral n.

10

Pectoralis major

O: medial 1/2 anterior clavicle
Sternal membrane, cartilages 2-6th ribs
Uppermost surface of rectus sheath

I: crest of greater tubercle

N: pectoral n.

11

Rhomboid minor

O: spinous processes C6-C7

I: medial border scapula

N: dorsal scapular n.

12

Rhomboid major

O: spinous processes T1-T4

I: medial margin scapula

N: dorsal scapular n.

13

Levator scapulae

O: transverse processes C1-C4

I: sup. Angle scapula

N: dorsal scapular n.

14

Subclavius

O: bone and cartilage 1st rib

I: subclavian groove on lower surface clavicle

N: suclavian n.

15

Brachialis

O: ant. Surface of humerus

I: ulnar tuberosity

N: musculocutaneous n.

16

Biceps brachii

O: supraglenoid tubercle (long h.)
Coracoid process (short h.)

I: radial tuberosity

N: musculocutaneous n.

17

Triceps brachii

O: infraglenoid tubercle (long h.)
Radial groove ( lat. and med. h.)

I: olecranon of ulna

N: radial n.

18

Anconeus

O: lat. epicondyle

I: prox 1/4 dorsal surface ulna

N: radial n.

19

Pronator teres

O: medial epicondyle
Coronoid process of ulna

I: pronator tuberosity of radius

N: median n.

20

Flexor digitorum superficialis

O: medial epicondyle
Coronoid process ulna
Radius

I: middle phalanges 2-5th fingers

N: median n.

21

Flexor carpi radialis

O: medial epicondyle , superficial fascia forearm

I: palmar surface of base 2nd metacarpal

N: median n.

22

Palmaris longus

O: medial epicondyle

I: palmar aponeurosis

N: median n.

23

Flexor carpi ulnaris

O: medial epicondyle
Olecranon and post. Margin of ulna

I: pisiform bone

N: ulnar n.

24

Pronator quadratus

O: distal 1/4 palmar surface ulna

I: distal 1/4 palmar surface radius

N: median n.

25

Flexor digitorum profundus

O: prox. 2/3 palmar surface ulna, interosseous membrane

I: base of distal phalanges 2-5th fingers

N: median n. & ulnar n.

26

Flexor pollicis longus

O: ant. Surface radius , interosseous membrane

I: distal phalanx of thumb

N: median n.

27

Extensor carpi radialis brevis

O: lateral epicondyle , radial collateral lig., annular lig.

I: base 3rd metacarpal

N: radial n.

28

Extensor Carpi radialis longus

O: lateral supracondylar crest

I: base of 2nd metacarpal

N: radial n.

29

Brachioradialis

O: lateral supracondylar crest

I: styloid process of ulna

N: radial n.

30

Extensor digitorum

O: lateral epicondyle, lat. collateral lig., annular lig

I: dorsal aponeurosis of 2-5th fingers

N: radial n.

31

Extensor carpi ulnaris

O: lateral epicondyle

I: base of 5th metacarpal

N: radial n

32

Supinator

O: supinator crest of ulna, lateral epicondyle

I: radius

N: radial n.

33

Abductor pollicis longus

O: dorsal surface ulna , interosseous membrane, dorsal surface radius

I: base of 1st metacarpal

N: radial n.

34

Extensor pollicis brevis

O: ulna, interosseous membrane, dorsal surface radius

I: proximal phalanx of thumb

N: radial n.

35

Extensor pollicis longus

O: dorsal surface ulna, interosseous membrane

I: distal phalanx of thumb

N: radial n.

36

Abductor pollicis brevis

O: scaphoid tubercle, flexor retinaculum

I: radial sesamoid bone , proximal phalanx of thumb

N: median n.

37

Flexor pollicis brevis

O: flexor retinaculum ( superficial h.)
Trapezium, trapezoid, capitate ( deep h.)

I: sesamoid bone of metacarpophalangeal joint of thumb

N: median n. & ulnar

38

Adductor pollicis

O: 3rd metacarpal ( transverse h.)
Carpal bones ( oblique h.)

I: sesamoid bone of metacarpophalangeal joint of thumb

N: ulnar n.

39

Opponens pollicis.

O: tubercle of trapezium, flexor retinaculum

I: radial margin of 1st metacarpal

N: median n.

40

Abductor digiti minimi

O: pisiform, pisohamate lig, flexor retinaculum

I: base proximal phalanx of 5th digit

N: ulnar n.

41

Flexor digiti minimi

O: flexor retinaculum, hamulus of hamate

I: proximal phalanx 5th digit

N: ulnar n

42

Opponens digiti minimi

O: hamulus of hamate, flexor retinaculum

I: ulnar margin 5th metacarpal

N: ulnar n