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Musculoskeletal System > Muscles of the Forearm > Flashcards

Muscles of the Forearm Flashcards

(82 cards)

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1
Q

PRONATOR TERES (Origin)

A

Medial epicondyle
Coronaid process of Ulna

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2
Q

PRONATOR TERES (Insertion)

A

Lateral aspect of shaft of Radius

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3
Q

PRONATOR TERES (Action)

A

Pronation (radius over ulna)

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4
Q

PRONATOR TERES (Innervation)

A

Median Nerve

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5
Q

FLEXOR CARPI RADIALIS (Origin)

A

Medial epicondyle

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6
Q

FLEXOR CARPI RADIALIS (Insertion)

A

Base of 2nd and 3rd metacarpals

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7
Q

FLEXOR CARPI RADIALIS (Action)

A

Flexion of wrist joint
Abduction of wrist joint

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8
Q

FLEXOR CARPl RADIALIS (Innervation)

A

Median Nerve

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9
Q

PALMARIS LONGUS (Origin)

A

Medial epicondyle

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10
Q

PALMARIS LONGUS (Insertion)

A

Palmar aponeurosis
Distal half of Flexor Retinaculum

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11
Q

PALMARIS LONGUS (Action)

A

Tenses palmar aponeurosis
Flexes wrist

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12
Q

PALMARIS LONGUS (Innervation)

A

Median Nerve

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13
Q

FLEXOR CARPI ULNARIS (Origin)

A

Medial epicondyle
Posterior border of ulna

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14
Q

FLEXOR CARPI ULNARIS (Insertion)

A

Pisiform
Hook of Hamate
Base of 5th metacarpal

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15
Q

FLEXOR CARPI ULNARIS (Action)

A

Flexion of wrist joint
Adduction of wrist joint

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16
Q

FLEXOR CARPI ULNARIS (Innervation)

A

Ulnar Nerve

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17
Q

FLEXOR DIGITORUM SUPERFICIALIS (Origin)

A

Medial epicondyle
Coronaid process of Humerus
Anterior surface of Radius

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18
Q

FLEXOR DIGITORUM SUPERFICIALIS (Insertion)

A

Palmar surface of shaft of middle phalanges of medial 4 digits

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19
Q

FLEXOR DIGITORUM SUPERFICIALIS (Action)

A

Flexion of proximal interphalangeal joints
Assist in flexion of wrist and metacarpophalangeal joints

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20
Q

FLEXOR DIGITORUM SUPERFICIALIS (Innervation)

A

Median Nerve

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21
Q

FLEXOR DIGITORUM PROFUNDUS (Origin)

A

Anterior and Medial surfaces of Ulna
Medial half interosseous membrane

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22
Q

FLEXOR DIGITORUM PROFUNDUS (Insertion)

A

Bases of Distal phalanges of medial 4 digits

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23
Q

FLEXOR DIGITORUM PROFUNDUS (Action)

A

Flexion of distal interphalangeal joints

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24
Q

FLEXOR DIGITORUM PROFUNDUS (Innervation)

A

MEDIAL half - Ulnar Nerve
LATERAL half - Anterior Interosseous Nerve (Median Nerve)

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25
FLEXOR POLLICIS LONGUS (Origin)
Anterior surface of shaft of Radius
26
FLEXOR POLLICIS LONGUS (Insertion)
Base of Distal phalanx of thumb
27
FLEXOR POLLICIS LONGUS (Action)
Flexion interphalangeal joint of thumb
28
FLEXOR POLLICIS LONGUS (Innervation)
Anterior Interosseous Nerve (Median Nerve)
29
PRONATOR QUADRATUS (Origin)
Distal surface anteromedial aspect of Ulnar shaft
30
PRONATOR QUADRATUS (Insertion)
Distal surface anterolateral aspect of Radial shaft
31
PRONATOR QUADRATUS (Action)
Pronation
32
PRONATOR QUADRATUS (Innervation)
Anterior Interosseous Nerve (Median Nerve)
33
CUBITAL FOSSA
LATERAL border ~ Brachioradialis MEDIAL border ~ Pronator Teres - Brachial Artery - Median Nerve - Median Cubital vein
34
BRACHIORADIALIS (Origin)
Proximal part lateral supraepicondylar ridge of humerus Adjacent intermuscular septum
35
BRACHIORADIALIS (Insertion)
Lateral surface distal end of Radius
36
BRACHIORADIALIS (Action)
Flexor of elbow when midpronated (Drinking Muscle)
37
BRACHIORADIALIS (Innervation)
Radial Nerve
38
EXTENSOR CARPI RADIALIS LONGUS (Origin)
Lateral supraepicondylar ridge of Humerus
39
EXTENSOR CARPI RADIALIS LONGUS (Insertion)
Dorsal surface base of 2nd metacarpal
40
EXTENSOR CARPI RADIALIS LONGUS (Action)
Extends wrist joint Abducts wrist joint
41
EXTENSOR CARPI RADIALIS LONGUS (Innervation)
Radial Nerve
42
EXTENSOR CARPI RADIALIS BREVIS (Origin)
Lateral epicondyle Humerus Adjacent intermuscular septum
43
EXTENSOR CARPI RADIALIS BREVIS (Insertion)
Dorsal base of 2nd and 3rd metacarpals
44
EXTENSOR CARPI RADIALIS BREVIS (Action)
Extends wist joint Abducts wrist joint
45
EXTENSOR CARPI RADIALIS BREVIS (Innervation)
Deep branch Radial Nerve
46
EXTENSOR DIGITORUM (Origin)
Lateral epicondyle Humerus Adjacent intermuscular septum and deep fascia
47
EXTENSOR DIGITORUM (Insertion)
Extensor hoods Medial 4 digits
48
EXTENSOR DIGITORUM (Action)
Extends Medial 4 digits
49
EXTENSOR DIGITORUM (Innervation)
Posterior Interosseous Nerve (Radial Nerve)
50
EXTENSOR DIGITI MINIMI (Origin)
Lateral epicondyle Humerus Adjacent intermuscular septum
51
EXTENSOR DIGITI MINIMI (Insertion)
Extensor hood little finger
52
EXTENSOR DIGITI MINIMI (Action)
Extension of little finger
53
EXTENSOR DIGITI MINIMI (Innervation)
Posterior Interosseous Nerve (Radial Nerve)
54
EXTENSOR CARPI ULNARIS (Origin)
Lateral epicondyle Humerus Posterior border Ulna
55
EXTENSOR CARPI ULNARIS (Insertion)
Tubercle on base Medial side of 5th metacarpal
56
EXTENSOR CARPI ULNARIS (Action)
Extends wrist joint Adducts wrist joint
57
EXTENSOR CARPI ULNARIS (Innervation)
Posterior Interosseous Nerve (Radial Nerve)
58
ANCONEUS (Origin)
Lateral epicondyle Humerus
59
ANCONEUS (Insertion)
Olecranon Proximal Posterior surface Ulna
60
ANCONEUS (Action)
Abducts Ulna during Pronation
61
ANCONEUS (Innervation)
Radial Nerve
62
SUPINATOR (Origin)
SUPERFICIAL layer: - Humeral lateral epicondyle - Radial collateral and annular ligament DEEP layer: - Supinator crest of Ulna
63
SUPINATOR (Insertion)
Lateral surface Radius
64
SUPINATOR (Action)
Supination
65
SUPINATION (Innervation)
Posterior Interosseous Nerve (Radial Nerve)
66
EXTENSOR INDICIS (Origin)
Posterior surface Ulna Adjacent interosseous membrane
67
EXTENSOR INDICIS (Insertion)
Extensor hood of index finger
68
EXTENSOR INDICIS (Action)
Extends index finger
69
EXTENSOR INDICIS (Innervation)
Posterior Interosseous Nerve (Radial Nerve)
70
EXTENSOR POLLICIS LONGUS (Origin)
Posterior surface UIna Adjacent interosseous membrane
71
EXTENSOR POLLICIS LONGUS (Insertion)
Dorsal surface base of proximal phalanx of thumb
72
EXTENSOR POLLICIS LONGUS (Action)
Extends interphalangeal joint of thumb
73
EXTENSOR POLLICIS LONGUS (Innervation)
Posterior Interosseous Nerve (Radial Nerve)
74
EXTENSOR POLLICIS BREVIS (Origin)
Posterior surface Radius Adjacent interosseous membrane
75
EXTENSOR POLLICIS BREVIS (Insertion)
Dorsal surface base of proximal phalanx of thumb
76
EXTENSOR POLLICIS BREVIS (Action)
Extends metacarpophalangeal joint of thumb
77
EXTENSOR POLLICIS BREVIS (Innernation)
Posterior Interosseous Nerve (Radial Nerve)
78
ABDUCTOR POLLICIS LONGUS (Origin)
Posterior surfaces Ulna and Radius Adjacent interosseous membrane
79
ABDUCTOR POLLICIS LONGUS (Insertion)
Lateral side base of 1st metacarpal
80
ABDUCTOR POLLICIS LONGUS (Action)
Abducts carpometacarpal joint of thumb
81
ABDUCTOR POLLICIS LONGUS (Innervation)
Posterior Interosseous Nerve (Radial Nerve)
82
ANATOMICAL SNUFFBOX
MEDIALLY: - Extensor Pollicis Longus LATERALLY: - Abductor Pollicis Longus - Extensor Pollicis Brevis FLOOR = Scaphoid bone

Musculoskeletal System (17 decks)

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