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Gross Anatomy 1 > Anterior Arm And Forearm Muscles > Flashcards

Anterior Arm And Forearm Muscles Flashcards

(62 cards)

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1
Q

What are the muscles of the anterior arm

A

Brachialis, Coracobrachialis, Biceps brachii

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2
Q

Biceps brachii has 2 parts of

A

Long and short head

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3
Q

Biceps brachii long head origin is

A

Supraglenoid tubercle of scapula

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4
Q

Biceps brachii short head origin is

A

Coracoid process

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5
Q

Biceps brachii insertion is

A

Radial tuberosity and fascia of bicipital aponeurosis

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6
Q

Biceps brachii action of

A

Flexion of elbow, supination of forearm

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7
Q

Biceps brachii short head action also

A

Resists shoulder dislocation

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8
Q

Biceps brachii innervation

A

Musculocutaneous n (C5C6

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9
Q

Biceps brachii vasculature

A

Brachial artery

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10
Q

Coracobrachialis origin

A

Coracoid process

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11
Q

Coracobrachialis insertion

A

Middle 1/3 of medial shaft of humerus

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12
Q

Coracobrachialis action

A

Helps flex and adductor arm. Resist shoulder dislocation

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13
Q

Coracobrachialis innervation

A

Musculocutaneous nerve C5C6

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14
Q

Coracobrachialis vasculature

A

Brachial artery

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15
Q

Brachialis origin

A

Distal 1/2 of anterior humerus

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16
Q

Brachialis insertion

A

Coronoid process and ulnar tuberosity

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17
Q

Brachialis action

A

Strongest flexor of elbow

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18
Q

Brachialis innervation (2)

A

Musculocutaneous nerve C5C6 and radial nerve C5C7

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19
Q

Brachialis vasculature

A

Brachial artery

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20
Q

Muscles of the anterior forearm superficial layer are

A

(PFPF) pronator Teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris

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21
Q

Pronator Teres origin

A

Ulnar: coronoid process
Humeral: medial epicondyle of humerus

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22
Q

Pronator Teres insertion

A

Lateral surface of radius

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23
Q

Pronator Teres action

A

Pronates and flexes forearm

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24
Q

Pronator Teres innervation

A

Median nerve C6C7

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25
Pronator Teres vasculature
Ulnar and radial artery
26
Flexor carpi radialis origin
Medial condyle of humerus
27
Flexor carpi radialis insertion
Base of 2nd MC
28
Flexor carpi radialis action
Flexion and radial deviation
29
Flexor carpi radialis innervation
Median N C7C8
30
Flexor carpi radialis vasculature
Ulnar artery
31
Palmaris longus origin
Medial epicondyle of humerus
32
Palmaris longus insertion
Distal flexor retinaculum and palmar aponeurosis
33
Palmaris longus action
Flexion of writs and tenses palm
34
Palmaris longus innervation
Median N C7C8
35
Palmaris longus vasculature
Ulnar artery
36
Flexor carpi ulnaris origin
Humeral: medial epicondyle of humerus Ulnar: olecranon and posterior border of ulnar
37
Flexor carpi ulnaris insertion
Pisiform, hook of hamate, 5th MC
38
Flexor carpi ulnaris action
Flexes and ulnar deviation of wrist
39
Flexor carpi ulnaris innervation (rebel)
Ulnar n C7C8
40
Flexor carpi ulnaris vasculature
Ulnar artery
41
Anterior forearm intermediate layer muscle
Flexor digitorum superficialis
42
Flexor digitorum superficialis origin
Humeral-ulanar: medial epicondyle and coronoid process radial: radius below radial tuberosity
43
Flexor digitorum superficialis insertion
Sides of middle phalanges of medial 4 digits
44
Flexor digitorum superficialis action
Flexion of PIP joints, stronger MCP joint flexion
45
Flexor digitorum superficialis innervation
Median N C7-T1
46
Flexor digitorum superficialis vasculature
Ulnar artery
47
Anterior forearm deep muscles are
Flexor digitorum profundus, flexor pollicis longus, pronator quadratus
48
Flexor digitorum profundus origin
proximal 3/4 of medial and anterior surface of ulna and IOM
49
Flexor digitorum profundus insertion
Medial (ulnar); bases of distal 4th and 5th digit Lateral (radial(; bases of distal 2nd and 3rd digit
50
Flexor digitorum profundus action
Flexion at DIP
51
Flexor digitorum profundus innervation
Medial (ulnar); ulnar n (C8, T1) Lateral (radial); median n (C8-T1)
52
Flexor digitorum profundus vasculature
Ulnar and anterior interosseous artery
53
Flexor pollicis longus origin
Anterior surface of radius and IOM
54
Flexor pollicis longus insertion
Base of distal phalanx of thumb
55
Flexor pollicis longus action
Flexion of digit 1
56
Flexor pollicis longus innervation
Median N C8-T1
57
Flexor pollicis longus vasculature
Anterior interosseous artery
58
Pronator quadratus origin
Distal 1/4 of anterior ulna
59
Pronator quadratus insertion
Distal 1/4 of anterior radius
60
Pronator quadratus action
Pronates forearm, binds radius and ulna together
61
Pronator quadratus innervation
Median n C8-T1
62
Pronator quadratus vasculature
Anterior interosseous artery

Gross Anatomy 1 (10 decks)

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