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Clinical Anatomy > Forearm Muscles > Flashcards

Forearm Muscles Flashcards

(76 cards)

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1
Q

Action of Brachioradialis

A

Flexes forearm, returns forearm to neutral from a pronated or supinated position

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1
Q

Action of Extensor Carpi Radialis Brevis

A

Extend and abduct hand at wrist joint

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1
Q

Action of Abductor Pollicis Longus

A

Abducts thumb and extends it at first carpometacarpal joint

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2
Q

Action of Extensor Carpi Radialis Longus

A

Extend and abduct hand at wrist joint

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2
Q

Action of Extensor Carpi Ulnaris

A

Extends and adducts hand at wrist joint

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3
Q

Action of Extensor Digiti Minimi

A

Extends 5th digits at metacarpophalangeal joint and interphalangeal joint

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4
Q

Action of Extensor Digitorum

A

Extends medial four digits at metacarpophalangeal joints; extends hand at wrist joint

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5
Q

Action of Extensor Pollicis Brevis

A

Extends proximal phalanx of thumb at carpometacarpal joint

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5
Q

Action of Extensor Pollicis Longus

A

Extends distal phalanx of thumb at the metacarpophalangeal and interphalangeal joints

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5
Q

Action of Extensor Indicis

A

Extends 2nd digit and helps to extend hand

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5
Q

Action of Flexor Carpi Radialis

A

Flexes and abducts hand at wrist joint

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6
Q

Action of Flexor Carpi Ulnaris

A

Flexes and adducts hand at wrist joint

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7
Q

Action of Flexor Digitorum Profundus

A

Flexes distal phalanges at distal interphalangeal joints of medial four digits; assists with wrist flexion

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8
Q

Action of Flexor Digitorum Superficialis

A

Flexes middle phalanges at proximal interphalangeal joints of medial 4 digits; flexes proximal phalanges at metacarpophalangeal joints and hand

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9
Q

Action of Flexor Pollicis Longus

A

Flexes phalanges of 1st digit

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10
Q

Action of Palmaris Longus

A

Flexes hand at wrist joint and tightens palmar aponeurosis

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11
Q

Action of Pronator Quadratus

A

Pronates forearms; deep fibers bind radius and ulna together

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12
Q

Action of Supinator

A

Supinates forearm

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12
Q

Action of Pronator Teres

A

Pronates forearm and flexes elbow

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13
Q

Innervation of Abductor Pollicis Longus

A

Posterior Interosseous nerve (C7, C8)

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14
Q

Innervation of Brachioradialis

A

Radial nerve (C5, C6, C7)

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15
Q

Innervation of Extensor Carpi Radialis Brevis

A

Deep branch of radial nerve (C7, C8)

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17
Q

Innervation of Extensor Carpi Radialis Longus

A

Radial Nerve (C6, C7)

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18
Q

Innervation of Extensor Digiti Minimi

A

Posterior interosseous nerve (C7,C8)

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19
Innervation of Extensor Digitorum
Posterior interosseous nerve (C7, C8)
20
Innervation of Extensor Pollicis Brevis
Posterior interosseous nerve (C7, C8)
20
Innervation of Extensor Pollicis Longus
Posterior interosseous nerve (C7, C8)
20
Innervation of Extensor Indicis
Posterior interosseous nerve (C7, C8)
21
Innervation of Flexor Carpi Radialis
Median nerve (C6, C7)
22
Innervation of Flexor Carpi Ulnaris
Ulnar Nerve (C7, C8)
22
Innervation of Flexor Digitorum Profundus
Ulnar Nerve and Median Nerve
23
Innervation of Flexor Digitorum Superficialis
Median nerve (C7, C8, T1)
24
Innervation of Flexor Pollicis Longus
Anterior interosseous nerve (C8, T1)
25
Innervation of Palmaris Longus
Median nerve (C7, C8)
26
Innervation of Pronator Quadratus
Anterior interosseous nerve (C8, T1)
27
Innervation of Pronator Teres
Median nerve (C6, C7)
29
Innervation of Supinator
Deep branch of radial nerve (C5, C6)
30
Insertion of Abductor Pollicis Longus
Base of 1st metacarpal
32
Insertion of Brachioradialis
Lateral surface of distal end of radius
33
Insertion of Extensor Carpi Radialis Longus
Dorsal surface of base of 2nd metacarpal bone
33
Insertion of Extensor Carpi Radialis Brevis
Dorsal surface of base of 3rd metacarpal bone
35
Insertion of Extensor Digiti Minimi
Extensor expansion of 5th digit
35
Insertion of Extensor Carpi Ulnaris
Dorsum of the base of 5th metacarpal bone
37
Insertion of Extensor Digitorum
Extensor expansion of medial four digits
37
Innervation of Extensor Carpi Ulnaris
Posterior interosseous nerve (C7, C8)
38
Insertion of Extensor Indicis
Extensor expansion of 2nd digit
40
Insertion of Extensor Pollicis Brevis
Base of proximal phalanx of thumb
41
Insertion of Extensor Pollicis Longus
Base of distal phalanx of thumb
42
Insertion of Flexor Carpi Radialis
Base of 2nd metacarpal bone
43
Insertion of Flexor Carpi Ulnaris
Pisiform, hook of hamate, and 5th metacarpal
44
Insertion of Flexor Digitorum Profundus
Base of distal phalanges of medial 4 digits
45
Insertion of Flexor Digitorum Superficialis
Bodies of middle phalanges of medial 4 digits
46
Insertion of Flexor Pollicis Longus
Base of distal phalanx of thumb
48
Insertion of Pronator Quadratus
Distal 1/4 of anterior surface of radius
49
Insertion of Pronator Teres
Middle of lateral surface of radius
50
Insertion of Supinator
Lateral, posterior, and anterior surfaces of proximal 1/3 of radius
51
Origin of Abductor Pollicis Longus
Posterior surfaces of ulna, radius, and interosseous membrane
53
Origin of Brachioradialis
Distal 2/3 of lateral supracondylar ridge of humerus
54
Origin of Extensor Carpi Radialis Brevis
Lateral epicondyle of humerus, radial collateral ligament
56
Origin of Extensor Carpi Radialis Longus
Inferior 1/3 of lateral supracondylar ridge of humerus
58
Origin of Extensor Carpi Ulnaris
Lateral Epicondyle of humerus and posterior border of middle ulna
59
Origin of Extensor Digiti Minimi
Lateral epicondyle of humerus
61
Origin of Extensor Digitorum
Lateral epicondyle of humerus
62
Origin of Extensor Indicis
Posterior surface of ulna and interosseous membrane
64
Origin of Extensor Pollicis Brevis
Posterior surfaces of radius, and interosseous membrane
65
Origin of Extensor Pollicis Longus
Posterior surfaces of radius and interosseous membrane
65
Insertion of Palmaris Longus
Distal 1/2 of flexor retinaculum and palmar aponeurosis
67
Origin of Flexor Carpi Radialis
Medial epicondyle of humerus
68
Origin of Flexor Carpi Ulnaris
Humeral head: medial epicondyle of humerus; Ulnar head: olecranon and posterior border of ulna
70
Origin of Flexor Digitorum Profundus
Proximal 3/4 of medial and anterior surface of ulna and interosseous membrane
71
Origin of Flexor Digitorum Superficialis
Humeroulnar head: medial epicondyle of humerus, ulnar collateral ligament, and coronoid process of ulna, Radial head: superior half of anterior border of radius
72
Origin of Flexor Pollicis Longus
Anterior surface of radius and adjacent interosseous membrane
73
Origin of Palmaris Longus
Medial epicondyle of humerus
74
Origin of Pronator Quadratus
Distal 1/4 of anterior surface of ulna
75
Origin of Pronator Teres
Medial epicondyle of humerus and coronoid process of ulna
76
Origin of Supinator
Lateral epicondyle of humerus, radial collateral and annular ligaments, supinator fossa, and crest of ulna

Clinical Anatomy (7 decks)

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