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origins Flashcards

1
Q

Trapezius

A
  1. external occipital protuberance 2. Ligamentum nuchae 3. spinous processes of C1-T12
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2
Q

Latissimus Dorsi

A
  1. spinous process of T7-L5 2. iliac crest 3. inferior angle of the scapula
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3
Q

Levator scapulae

A

transverse processes of the upper 3 or 4 cervical vertebrae

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4
Q

Rhomboid minor

A

spinous processes of C7 & T1

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5
Q

Rhomboid major

A

spinous processes of T2-T5

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6
Q

Serratus Anterior

A

Anterolateral surface of the upper 8 or 9 ribs

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7
Q

Deltoid

A
  1. anterior portion: lateral portion of the clavicle 2. middle portion: acromion process 3. posterior portion: scapular spine
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8
Q

Supraspinatus

A

supraspinous fossa

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9
Q

Infraspinatus

A

infraspinous fossa

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10
Q

Teres minor

A

middle half of the scapula’s lateral border

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11
Q

Teres major

A

lower 1/3rd of the scapula’s lateral border

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12
Q

Subscapularis

A

subscapular fossa

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13
Q

Subclavius

A

first rib

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14
Q

Pectoralis Major

A
  1. medial portion of clavicle 2. sternum at costal cartilages
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15
Q

Pectoralis Minor

A

outer and anterior surface of ribs 3-5 near cartilage

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16
Q

Coracobrachialis

A

coracoid process

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17
Q

Biceps Brachii

A
  1. long head: supraglenoid tubercle and glenohumeral labrum
  2. short head: coracoid process
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18
Q

Brachialis

A

lower half of anterior humerus

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19
Q

Triceps Brachii

A
  1. long head: infraglenoid tubercle
  2. lateral head: upper half of the posterior humerus
  3. medial head: lower 1/4th of posterior humerus
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20
Q

Anconeus

A

lateral epicondyle of the humerus

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21
Q

Pronator teres

A
  1. humeral head: upper portion of medial epicondyle via the CFT (common flexor tendon)
  2. ulnar head: coronoid process of ulna
22
Q

Flexor Carpi Radialis

A

medial epicondyle via the CFT

23
Q

Palmaris Longus

A

medial epicondyle via the CFT

24
Q

Flexor Carpi Ulnaris

A
  1. humeral head: medial epicondyle via the CFT
  2. ulnar head: upper portion of the posterior ulna
25
Q

Flexor digitorum superficialis

A
  1. humeral-ulnar head: medial epicondyle via the CFT
  2. radial head: oblique line of radius
26
Q

Flexor digitorum profundus

A

anterior & medial surface of proximal ¾ ulna

27
Q

Flexor pollicis longus

A

Middle of anterior radius and interosseous membrane (sometimes as high as the coronoid process of ulna)

28
Q

Pronator quadratus

A

distal ¼ anteromedial surface of ulna

29
Q

Brachioradialis

A

lateral supracondylar ridge of humerus

30
Q

Extensor Carpi Radialis Longus

A

lower lateral supracondylar ridge (below the brachioradialis

31
Q

Extensor Carpi Radialis Brevis

A

lateral epicondyle via the CET

32
Q

Extensor Carpi Ulnaris

A

lateral epicondyle via the CET

33
Q

Extensor Digitorum

A

lateral epicondyle via the CET

34
Q

Extensor Digiti Minimi

A
  1. lateral epicondyle via CET
  2. ulnar aspect of extensor digitorum
35
Q

Extensor Indicis

A
  1. posterior surface of ulna
  2. interosseous membrane
36
Q

Supinator

A
  1. lateral epicondyle
  2. supinator crest
  3. radial collateral and annular ligament
37
Q

Extensor Pollicis Longus

A
  1. posterior surface of ulna
  2. interosseous membrane
38
Q

Extensor Pollicis Brevis

A
  1. posterior surface of radius (below abd poll longus)
  2. interosseous membrane
39
Q

abductor pollicis longus

A
  1. posterior surface of ulna and radius
  2. interosseous membrane
40
Q

abductor digiti minimi

A

Pisiform and tendon of flexor carpi ulnaris

41
Q

flexor digiti minimi brevis

A

Hamulus of hamate and transverse carpal ligament

42
Q

opponens digiti minimi

A

Hamulus of hamate and flexor retinaculum

43
Q

palmar interossei (4)

A

1st: ulnar side of palmar surface of base of 1st metacarpal
2nd: ulnar side of 2nd metacarpal bone
3rd: radial side of 4th metacarpal
4th: radial side of 5th metacarpal

44
Q

dorsal interossei (4)

A

By two heads from adjacent sides of metacarpal bones

45
Q

Lumbricals (4)

A

Tendons of flexor digitorum profundus (2nd -5th)

46
Q

abductor pollicis brevis

A

Trapezium, scaphoid tubersoity and transverse carpal ligament

47
Q

flexor pollicis brevis

A

Trapezium and Transverse carpal ligament

48
Q

opponens pollicis

A

Trapezium and Transverse carpal ligament

49
Q

adductor pollicis

A

Transverse head: 3rd metacarpal

Oblique head: capitate, bases of 2nd and 3rd metacarpals, trapezium and trapezoid

50
Q

palmaris brevis

A

Ulnar side of transverse carpal ligament and palmar fascia

anatomy (10 decks)

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