Muscles - Forearm Flashcards

(61 cards)

1
Q

Action - Brachialis

A

Flex the elbow

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2
Q

Origin - Brachialis

A

Distal half of anterior surface of humerus

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3
Q

Insertion - Brachialis

A

Tuberosity and coronoid process of ulna

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4
Q

Nerve - Brachialis

A

(Musculocutaneous) C5, C6

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5
Q

Action - Brachioradialis

A

Flex the elbow

Assist to pronate and supinate the forearm when these movements are resisted

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6
Q

Origin - Brachioradialis

A

Proximal 2/3 of the lateral supracondylar ridge of humerus

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7
Q

Insertion - Brachioradialis

A

Styloid process of the radius

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8
Q

Nerve - Brachioradialis

A

Radial C5, C6

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9
Q

Extensors of the Wrists and Fingers

A

Extensor Carpi Radialis Longus
Extensor Carpi Radialis Brevis
Extensor Carpi Ulnaris
Extensor Digitorum

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10
Q

Extensors of the Wrists and Fingers

Action - Extensor Carpi Radialis Longus and Brevis

A

Extend the wrist

ABduct the wrist

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11
Q

Extensors of the Wrists and Fingers

Origin - Extensor Carpi Radialis Longus and Brevis

A

Longus: Distal 1/3 of the lateral supracondylar ridge of humerus

Brevis: Common extensor tendon from the lateral epicondyle of humerus

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12
Q

Extensors of the Wrists and Fingers

Insertion - Extensor Carpi Radialis Longus and Brevis

A

Longus: Base of 2nd metacarpal

Brevis: Base of 3rd metacarpal

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13
Q

Extensors of the Wrists and Fingers

Nerve - Extensor Carpi Radialis Longus and Brevis

A

Longus: Radial C5, C6, C7, C8

Brevis: Radial C6, C7, C8

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14
Q

Extensors of the Wrists and Fingers

Action - Extensor Carpi Ulnaris

A

Extend the wrist

ADduct the wrist

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15
Q

Extensors of the Wrists and Fingers

Origin - Extensor Carpi Ulnaris

A

Common extensor tendon from the lateral epicondyle of humerus

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16
Q

Extensors of the Wrists and Fingers

Insertion - Extensor Carpi Ulnaris

A

Base of 5th metacarpal

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17
Q

Extensors of the Wrists and Fingers

Nerve - Extensor Carpi Ulnaris

A

Radial C6, C7, C8

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18
Q

Extensors of the Wrists and Fingers

Action - Extensor Digitorum

A

Extend the 2nd and 5th fingers

Assist to extend the wrist

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19
Q

Extensors of the Wrists and Fingers

Origin - Extensor Digitorum

A

Common extensor tendon from the lateral epicondyle of the humerus

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20
Q

Extensors of the Wrists and Fingers

Insertion - Extensor Digitorum

A

Bases of the middle and distal phalanges of 2nd through 5th fingers

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21
Q

Action - Anconeus

A

Extend the elbow

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22
Q

Origin - Anconeus

A

Lateral epicondyle of the humerus

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23
Q

Insertion - Anconeus

A

Olecranon process and posterior, proximal surface of the ulnar

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24
Q

Nerve - Anconeus

A

Radial C7, C8

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25
Action - Extensor Indicis
Extend the 2nd finger | ADduct the 2nd finger
26
Origin - Extensor Indicis
Posterior surface of distal shaft of ulna and interosseous membrane
27
Insertion - Extensor Indicis
Tendon of the extensor digitorum at the level of the 2nd metacarpal
28
Nerve - Extensor Indicis
Radial C6, C7, C8
29
Flexors of Wrist and Fingers
``` Flexor Carpi Radialis Palmaris Longus Flexor Carpi Ulnaris Flexor Digitorum Superficialis Flexor Digitorum Profundus ```
30
Flexors of Wrist and Fingers | Action - Flexor Carpi Radialis
Flex the wrist | ABduct the wrist
31
Flexors of Wrist and Fingers | Origin - Flexor Carpi Radialis
Common flexor tendon from medial epicondyle of humerus
32
Flexors of Wrist and Fingers | Insertion - Flexor Carpi Radialis
Base of 2nd and 3rd metacarpals
33
Flexors of Wrist and Fingers | Nerve - Flexor Carpi Radialis
Median C6, C7, C8
34
Flexors of Wrist and Fingers | Action - Palmaris Longus
Tense the palmar fascia | Flex the wrist
35
Flexors of Wrist and Fingers | Origin - Palmaris Longus
Common flexor tendon from medial epicondyle of humerus
36
Flexors of Wrist and Fingers | Insertion - Palmaris Longus
Flexor retinaculum and palmar aponuerosis
37
Flexors of Wrist and Fingers | Nerve - Palmaris Longus
Median C6, C7, C8, T1
38
Flexors of Wrist and Fingers | Action - Flexor Carpi Ulnaris
Flex the wrist | ADduct the wrist
39
Flexors of Wrist and Fingers | Origin - Flexor Carpi Ulnaris
Humeral head: Common flexor tendon from medial epicondyle of humerus Ulnar head: Posterior surface of proximal 2/3 of ulna
40
Flexors of Wrist and Fingers | Insertion - Flexor Carpi Ulnaris
Pisiform, hook of hamate and base of 5th metacarpal
41
Flexors of Wrist and Fingers | Nerve - Flexor Carpi Ulnaris
Ulnar C7, C8, T1
42
Flexors of Wrist and Fingers | Action - Flexor Digitorum Superficialis
Flex the 2nd through 5th fingers | Flex the wrist
43
Flexors of Wrist and Fingers | Origin - Flexor Digitorum Superficialis
Common flexor tendon from medial epicondyle of humerus, ulnar collateral ligament, coronoid process of ulna, interosseous membrane and proximal shaft of radius
44
Flexors of Wrist and Fingers | Insertion - Flexor Digitorum Superficialis
Sides of medial phalanges of 2nd through 5th fingers
45
Flexors of Wrist and Fingers | Nerve - Flexor Digitorum Superficialis
Median C7, C8, T1
46
Flexors of Wrist and Fingers | Action - Flexor Digitorum Profundus
Flex the 2nd - 5th fingers
47
Flexors of Wrist and Fingers | Origin - Flexor Digitorum Profundus
Anterior and medial surfaces of proximal 2/3 of ulna
48
Flexors of Wrist and Fingers | Insertion - Flexor Digitorum Profundus
Bases of distal phalanges, palmar surface of 2nd - 5th fingers
49
Flexors of Wrist and Fingers | Nerve - Flexor Digitorum Profundus
1st and 2nd: Median C7, C8, T1 | 3rd and 4th: Ulnar C7, C8, T1
50
Action - Pronator Teres
Pronate the forearm
51
Origin - Pronator Teres
Common flexor tendon from medial epicondyle of humerus and coronoid process of the ulna
52
Insertion - Pronator Teres
Middle of lateral surface of radius
53
Nerve - Pronator Teres
Median C6, C7
54
Action - Pronator Quadratus
Pronate the forearm
55
Origin - Pronator Quadratus
Medial, anterior surface of distal ulna
56
Insertion - Pronator Quadratus
Lateral, anterior surface of distal radius
57
Nerve - Pronator Quadratus
Median C7, C8, T1
58
Action - Suppinator
Suppinate the forearm
59
Origin - Suppinator
Lateral epicondyle of humerus, radial collateral ligament, annular ligament and supinator crease of the ulna
60
Insertion - Suppinator
Anterior, lateral surface of proximal 1/3rd of radial shaft
61
Nerve - Suppinator
Radial C5, C6, C7