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MSA UE > Muscle Origins > Flashcards

Muscle Origins Flashcards

1
Q

Quadratus Lumborum

A

Iliac Crest

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2
Q

Spinalis

A

Spinous Processes

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3
Q

Longissimus

A

Transverse Processes

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4
Q

Iliocostalis

A

Ilium/sacrum/thoracolumbar fascia

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5
Q

Rectus Abdominis

A

Pubic crest and symphysis

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6
Q

External Oblique

A

Anterior angles of lower 8 Ribs

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7
Q

Internal Oblique

A

Thoracolumbar fascia, iliac crest, superior iliac spine

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8
Q

Sternocleidomastoid

A

Manubrium + medial 1/3 of clavicle

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9
Q

Transverse Abdominis

A

Costal margin, lumbar fascia, anterior 2/3 of iliac crest, + lat. 1/2 of inguinal lig.

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10
Q

Scalenes (Post)

A

Transverse Process of C5-7

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11
Q

Scalenes (Mid)

A

TP of C3-7

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12
Q

Scalenes (Ant)

A

TP C3-6

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13
Q

Biceps Brachii (short)

A

tip of coracoid process

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14
Q

Biceps Brachii (long)

A

Supraglenoid tubercle of scapula, capsule of glenohumeral joint + labrum

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15
Q

Triceps Brachii (Long)

A

Infraglenoid tubercle of scapula

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16
Q

Triceps Brachii (lat)

A

Post. surface of humerus, superior to radial groove + lateral inter muscular septum

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17
Q

Triceps Brachii (Medial)

A

Post. surface of humerus inferior to radial groove, medial + lat. inter muscular septa

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18
Q

Deltoid (ant)

A

For all- clavicle
Ant: ant. border, superior surface, lateral 1/3 of clavicle

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19
Q

Deltoid (Mid)

A

Lat. margin + superior surface of acromion

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20
Q

Deltoid (Post fibers)

A

Inferior lip of post. border of spine of scapula

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21
Q

Serratus Anterior

A

Ext. surfaces of lat. parts of 1-8 ribs

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22
Q

Rhomboid Minor

A

Ligamentum nuchae, spinous process of C7 & T1

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23
Q

Rhomboid Major

A

Spinous process of T2-T5

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24
Q

Teres Minor

A

Upper 2/3, dorsal surface of lateral border of scapula

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25
Q

Infraspinatus

A

Medial 2/3 of infraspinatus fossa of scapula

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26
Q

Supraspinatus

A

Medial 2/3 of supraspinatus fossa of scapula

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27
Q

Subscapularis

A

Subscapular fossa of scapula

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28
Q

Teres Major

A

Dorsal or post. surfaces of inf. angle + lower 1/3 of lat. border of scapula

29
Q

Pectoralis Major (ant)

A

cartilages of ribs 1-7

30
Q

Pec. Major (clavicle)

A

ant. surface of medial 1/2 of clavicle

31
Q

Pec. Major (stern)

A

Ant. surface of sternum sup. 6 costal cartilages, aponeurosis of ext. obliques

32
Q

Pectoralis Minor

A

3-5 ribs near their costal cartilages

33
Q

Upper trapezius

A

occipital protuberance, medial 1/3 of sup. nuchal line, ligament nuchae, + spinous process of C7

34
Q

Middle Trapezius

A

Spinous process of T1-5

35
Q

Lower Trapezius

A

Spinous process of T6-12

36
Q

Latissimus Dorsi

A

Spinous process of last 6 thoracic, last 3-4 ribs

37
Q

Levator Scapulae

A

TP of C1-4

37
Q

Coracobrachialis

A

Apex of coracoid process of scapula

38
Q

Anconeus

A

lateral epicondyle of humerus and capsule of elbow joint

39
Q

Opponens pollicis

A

Tubercle of trapezium and flexor retinaculum

40
Q

Palmar interossei

A

Shaft of 2,4, & 5 Metacarpals (capitate & hamate)

41
Q

Dorsal interossei

A

Adjacent of all Metacarpals

42
Q

Lumbricals

A

Palmar Surface of FDP

43
Q

Pronator teres

A

Humeral head: shaft proximal to medial epicondyle and common flexor tendon
Ulnar Head: coronoid process

44
Q

Pronator Quadratus

A

Distal 1/4 of anterior surface of ulna

45
Q

Supinator

A

Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator crest of ulnar

46
Q

Extensor digiti minimi

A

Lateral epicondyle of humerus

47
Q

Extensor digitorum

A

Lateral epicondyle of humerus

48
Q

Brachioradialis

A

Proximal 2/3 of lateral supracondylar ridge of humerus and lateral inter muscular septum

49
Q

Brachialis

A

Distal end of anterior surface of humerus

50
Q

Flexor carpi radialis

A

Medial epicondyle of humerus by common flexor tendon

51
Q

Palmaris longus

A

Medial condyle of humerus by common flexor tendon

52
Q

Extensor pollicis brevis

A

Posterior surface of distal 1/3 of radius

53
Q

Extensor indicis

A

Posterior surface of distal 1/3 of ulna below the origin of EPL

54
Q

Abductor pollicis longus

A

Posterior surface of shaft of ulna; middle 1/3 of post. shaft of radius; interosseuss membrane

55
Q

Extensor pollicis longus

A

posterolateral surface of middle shaft of ulna

56
Q

Extensor Carpi radialis longus

A

Lateral supracondylar ridge of humerus, common extensor tendon, lateral intermuscular septum

57
Q

Abductor pollicis brevis

A

Tubercle of scaphoid and trapezium, flexor retinaculum

58
Q

Adductor pollicis

A

Oblique head: capitate and base of 2nd & 3rd MC
Transverse Head: shaft of 3rd metacarpal

59
Q

Flexor pollicis brevis

A

Superficial head: tubercle of trapezium
Deep head: capitate and trapezoid

60
Q

Flexor digiti minimi

A

Hook of hamate and flexor retinaculum

61
Q

Abductor digiti minimi

A

Pisiform and tendon of FCU

62
Q

Opponens digiti minimi

A

Hook of hamate and flexor retinaculum

63
Q

Flexor Carpi Ulnaris

A

Humeral Head: medial epicondyle of humerus by common flexor tendon
Ulnar Head: olecranon and posterior border of ulna via an aponeurosis

64
Q

Flexor digitorum superficialis

A

Humeral/ulnar head: medial epicondyle of humerus, ulnar collateral ligament, medial side of coronoid process
Radial Head: oblique line on anterior surface of radial shaft

65
Q

Flexor pollicis longus

A

Anterior surface of middle of shaft of radius

66
Q

Extensor carpi ulnaris

A

Lateral epicondyle of humerus; post border of ulna by an aponeurosis shared by FCU and FDP

67
Q

Extensor carpi radialis brevis

A

Lateral epicondyle of humerus, radial collateral ligament of elbow joint

68
Q

Flexor digitorum profundus

A

Upper 3/4 of anterior and medial surfaces of ulna, coronoid process via aponeurosis

MSA UE (5 decks)

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