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Fundamentals of Anatomy > Forearm OIA > Flashcards

Forearm OIA Flashcards

1
Q

Pronator Teres (PT) Origin

A

Humeral Head: medial epicondyle of humerus common flexor tendon
Ulnar Head: coronoid process of ulna

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2
Q

Pronator Teres (PT) Insertion

A

Middle lateral aspect of radius

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3
Q

Pronator Teres (PT) Action

A

forearm PRON, weak elbow FLX

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4
Q

Flexor Carpi Radialis (FCR) Origin

A

Medial epicondyle of humerus common flexor tendon

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5
Q

Flexor Carpi Radialis (FCR) Insertion

A

Base of the 2nd and 3rd metacarpals

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6
Q

Flexor Carpi Radialis (FCR) Action

A

wrist FLX and RD

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7
Q

Palmaris Longus (PL) Origin

A

medial epicondyle of humerus common flexor tendon

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8
Q

Palmaris Longus (PL) Insertion

A

Palmar aponeurosis and flexor retinaculum, distal 1/2 of the flexor retinaculum

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9
Q

Palmaris Longus (PL) Action

A

wrist FLX

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10
Q

Flexor Carpi Ulnaris (FCU) Origin

A

Humeral Head: medial epicondyle of humerus common flexor tendon
Ulnar Head: medial surface of the olecranon process & anteromedial border of Ulna

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11
Q

Flexor Carpi Ulnaris (FCU) Insertion

A

Pisiform, Hook of Hamate, base of 5th metacarpal

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12
Q

Flexor Carpi Ulnaris (FCU) Action

A

Wrist FLX, UD

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13
Q

Flexor Digitorum Superficialis (FDS) Origin

A

Humeroulnar Head: medial epicondyle of humerus, coronoid process of ulna, common flexor origin
Radial Head: anterior border of radius

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14
Q

Flexor Digitorum Superficialis (FDS) Insertion

A

Bases of middle phalanges of 2-5 digits

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15
Q

Flexor Digitorum Superficialis (FDS) Action

A

PIP, MCP, and wrist FLX

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16
Q

Flexor Digitorum Profundus (FDP) Origin

A

Medial and anterior aspect of ulna, coronoid process of the ulna, and interosseous membrane

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17
Q

Flexor Digitorum Profundus (FDP) Insertion

A

bases of distal phalanges 2-5 digits

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18
Q

Flexor Digitorum Profundus (FDP) Action

A

DIP FLX, and to a lesser degree FLX of PIP and MCP and wrist FLX

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19
Q

Flexor Pollicis Longus (FPL) Origin

A

Anterior radial shaft and interosseous membrane

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20
Q

Flexor Pollicis Longus (FPL) Insertion

A

Base distal phalanx of Thumb

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21
Q

Flexor Pollicis Longus (FPL) Action

A

IP joint FLX of thumb, some wrist FLX

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22
Q

Pronator Quadratus (PQ) Origin

A

Anterior and medial surfaces of distal Ulna

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23
Q

Pronator Quadratus (PQ) Insertion

A

Anterolateral aspect of distal radius

24
Q

Pronator Quadratus (PQ) Action

A

Pronates forearm

25
Q

Brachioradialis Origin

A

Ridge superior to the lateral epicondyle of the humerus

26
Q

Brachioradialis Insertion

A

Lateral surface of the distal Radius at the styloid process

27
Q

Brachioradialis Action

A

Elbow flexion

28
Q

Extensor Carpi Radialis Longus Origin

A

Lateral supracondylar ridge of the humerus

29
Q

Extensor Carpi Radialis Longus Insertion

A

Posterior aspect of the base 2nd metacarpal

30
Q

Extensor Carpi Radialis Longus Action

A

Wrist extension and radial deviation

31
Q

Extensor Carpi Radialis Brevis Origin

A

Lateral epicondyle of humerus, common extensors origin

32
Q

Extensor Carpi Radialis Brevis Insertion

A

Posterior aspect of the base of 3rd metacarpal

33
Q

Extensor Carpi Radialis Brevis Action

A

Wrist extension and radial deviation

34
Q

Extensor Digitorum Origin

A

Lateral epicondyle of humerus (CEO)

35
Q

Extensor Digitorum Insertion

A

posterior surface of phalanges 2-5

36
Q

Extensor Digitorum Action

A

EXT of IP and MCP in fingers 2-5, Wrist EXT

37
Q

Extensor Carpi Ulnaris Origin

A

Lateral epicondyle of humerus and posterior surface of the ulna

38
Q

Extensor Carpi Ulnaris Insertion

A

Posterior aspect of the base of the 5th metacarpal

39
Q

Extensor Carpi Ulnaris Action

A

Wrist EXT and UD

40
Q

Extensor Digiti Minimi Origin

A

Lateral epicondyle of the humerus, extensor tendon from the lateral epicondyle of the humerus

41
Q

Extensor Digiti Minimi Insertion

A

Posterior surface of proximal phalanx of the 5th finger, extensor expansion of the 5th digit

42
Q

Extensor Digiti Minimi Action

A

EXT of IP and MCP of the 5th digit, Wrist EXT

43
Q

Supinator Origin

A

Lateral epicondyle of the Humerus and ridge near the radial notch of the Ulna

44
Q

Supinator Insertion

A

Anterolateral surface of Radius distal to the radial tuberosity

45
Q

Supinator Action

A

Forearm supination

46
Q

Extensor Indicis Origin

A

Posterior aspect of Ulna and Interosseous membrane

47
Q

Extensor Indicis Insertion

A

Posterior aspect of the 2nd finger, extensor expansion of 2nd digit

48
Q

Extensor Indicis Action

A

EXT of the 2nd digit IP and MCP, helps with wrist EXT

49
Q

Abductor Pollicis Longus Origin

A

Proximal posterior surfaces of the Ulna and Radius

50
Q

Abductor Pollicis Longus Insertion

A

Lateral aspect of base of 1st metacarpal and trapezium

51
Q

Abductor Pollicis Longus Action

A

ABD and EXT of thumb

52
Q

Extensor Pollicis Longus Origin

A

Posterior and lateral surfaces of the Ulna and Interosseous membrane

53
Q

Extensor Pollicis Longus Insertion

A

Posterior aspect of the base of distal phalanx of Thumb

54
Q

Extensor Pollicis Longus Action

A

EXT of thumb

55
Q

Extensor Pollicis Brevis Origin

A

Shaft of Radius distal to the APL and interosseous membrane

56
Q

Extensor Pollicis Brevis Insertion

A

Posterior aspect of the base proximal phalanx of thumb

57
Q

Extensor Pollicis Brevis Action

A

EXT of thumb

Fundamentals of Anatomy (17 decks)

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