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Muscle Anatomy > UPPER LIMB: Forearm muscles > Flashcards

UPPER LIMB: Forearm muscles Flashcards

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1
Q

ANTERIOR COMPARTMENT

Superficial group: Pronator teres [Humeral head] - origin

A

Medial supracondylar ridge of humerus

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2
Q

ANTERIOR COMPARTMENT

Superficial group: Pronator teres [Ulnar head] - origin

A

Coronoid process of ulna

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3
Q

ANTERIOR COMPARTMENT

Superficial group: Pronator teres - insertion

A

Lateral surface of radius (distal to supinator)

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4
Q

ANTERIOR COMPARTMENT

Superficial group: Pronator teres - innervation

A

Median nerve (C6, C7)

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5
Q

ANTERIOR COMPARTMENT

Superficial group: Pronator teres - function

A

Elbow joint: Forearm flexion;
Proximal radioulnar joint: Forearm pronation

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6
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor carpi radialis - origin

A

Medial epicondyle of humerus

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7
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor carpi radialis - insertion

A

Bases of metacarpal bones 2-3

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8
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor carpi radialis - innervation

A

Median nerve (C6, C7)

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9
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor carpi radialis - function

A

Wrist joint: Wrist flexion, Wrist abduction

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10
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor carpi ulnaris - origin

A

Medial epicondyle of humerus, Olecranon and posterior border of ulna

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11
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor carpi ulnaris - insertion

A

Pisiform bone, Hamate bone, Base of metacarpal bone 5

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12
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor carpi ulnaris - innervation

A

Ulnar nerve (C7-T1)

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13
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor carpi ulnaris - function

A

Wrist joint: Wrist flexion, Wrist adduction

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14
Q

ANTERIOR COMPARTMENT

Superficial group: Palmaris longus - origin

A

Medial epicondyle of humerus

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15
Q

ANTERIOR COMPARTMENT

Superficial group: Palmaris longus - insertion

A

Flexor retinaculum, Palmar aponeurosis

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16
Q

ANTERIOR COMPARTMENT

Superficial group: Palmaris longus - innervation

A

Median nerve (C7, C8)

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17
Q

ANTERIOR COMPARTMENT

Superficial group: Palmaris longus - function

A

Wrist joint: Wrist flexion; Tenses palmar aponeurosis

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18
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor
digitorum superficialis [Humeroulnar head] - origin

A

Medial epicondyle of humerus, Coronoid process of ulna

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19
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor digitorum superficialis [Radial head] - origin

A

Proximal half of anterior border of radius

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20
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor digitorum superficialis - insertion

A

Sides of middle phalanges of digits 2-5

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21
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor
digitorum superficialis - innervation

A

Median nerve (C8, T1)

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22
Q

ANTERIOR COMPARTMENT

Superficial group: Flexor
digitorum superficialis - function

A

MCP and PIP joints 2-5: Finger flexion

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23
Q

ANTERIOR COMPARTMENT

Deep group: Flexor digitorum profundus - origin

A

Proximal half of anterior surface of ulna, Interosseous membrane

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24
Q

ANTERIOR COMPARTMENT

Deep group: Flexor digitorum profundus - insertion

A

Palmar surfaces of distal phalanges of digits 2-5

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25
ANTERIOR COMPARTMENT Deep group: Flexor digitorum profundus - innervation
Digits 2-3: Median nerve (anterior interosseous nerve) Digits 4-5: Ulnar nerve (C8, T1)
26
ANTERIOR COMPARTMENT Deep group: Flexor digitorum profundus - function
MCP and IP joints 2-5: Finger flexion
27
ANTERIOR COMPARTMENT Deep group: Flexor pollicis longus - origin
Anterior surface of radius and interosseous membrane
28
ANTERIOR COMPARTMENT Deep group: Flexor pollicis longus - insertion
Palmar surface of distal phalanx of thumb
29
ANTERIOR COMPARTMENT Deep group: Flexor pollicis longus - innervation
Median nerve (anterior interosseous nerve) (C7, C8)
30
ANTERIOR COMPARTMENT Deep group: Flexor pollicis longus - function
MCP and IP joint 1: Thumb flexion
31
ANTERIOR COMPARTMENT Deep group: Pronator quadratus - origin
Distal anterior surface of ulna
32
ANTERIOR COMPARTMENT Deep group: Pronator quadratus - insertion
Distal anterior surface of radius
33
ANTERIOR COMPARTMENT Deep group: Pronator quadratus - innervation
Median nerve (anterior interosseous nerve) (C7, C8)
34
ANTERIOR COMPARTMENT Deep group: Pronator quadratus - function
Proximal radioulnar joint: Forearm pronation
35
POSTERIOR COMPARTMENT Superficial group: Brachioradialis - origin
Lateral supracondylar ridge of humerus, Lateral intermuscular septum of arm
36
POSTERIOR COMPARTMENT Superficial group: Brachioradialis - insertion
(Proximal to) Styloid process of radius
37
POSTERIOR COMPARTMENT Superficial group: Brachioradialis - innervation
Radial nerve (C5-C8)
38
POSTERIOR COMPARTMENT Superficial group: Brachioradialis - function
Elbow joint: Forearm flexion (when semi pronated)
39
POSTERIOR COMPARTMENT Superficial group: Extensor carpi radialis longus - origin
Lateral supracondylar ridge of humerus, Lateral intermuscular septum of arm
40
POSTERIOR COMPARTMENT Superficial group: Extensor carpi radialis longus - insertion
Posterior aspect of base of metacarpal bone 2
41
POSTERIOR COMPARTMENT Superficial group: Extensor carpi radialis longus - innervation
Radial nerve (C5-C8)
42
POSTERIOR COMPARTMENT Superficial group: Extensor carpi radialis longus - function
Wrist joints: Hand extension, Hand abduction (radial deviation)
43
POSTERIOR COMPARTMENT Superficial group: Extensor carpi radialis brevis - origin
Lateral epicondyle of humerus (common extensor tendon)
44
POSTERIOR COMPARTMENT Superficial group: Extensor carpi radialis brevis - insertion
Posterior aspect of base of metacarpal bone 3
45
POSTERIOR COMPARTMENT Superficial group: Extensor carpi radialis brevis - innervation
Radial nerve (C5-C8)
46
POSTERIOR COMPARTMENT Superficial group: Extensor carpi radialis brevis - function
Wrist joints: Hand extension, Hand abduction (radial deviation)
47
POSTERIOR COMPARTMENT Superficial group: Extensor digitorum - origin
Lateral epicondyle of humerus (common extensor tendon)
48
POSTERIOR COMPARTMENT Superficial group: Extensor digitorum - insertion
Extensor expansions of digits 2-5
49
POSTERIOR COMPARTMENT Superficial group: Extensor digitorum - innervation
Posterior interosseous nerve (C7, C8)
50
POSTERIOR COMPARTMENT Superficial group: Extensor digitorum - function
MCP/IP joints 2-5: Finger extension
51
POSTERIOR COMPARTMENT Superficial group: Extensor digiti minimi - origin
Lateral epicondyle of humerus (common extensor tendon)
52
POSTERIOR COMPARTMENT Superficial group: Extensor digiti minimi - insertion
Extensor expansion of digit 5
53
POSTERIOR COMPARTMENT Superficial group: Extensor digiti minimi - innervation
Posterior interosseous nerve (C7, C8)
54
POSTERIOR COMPARTMENT Superficial group: Extensor digiti minimi - function
MCP joint 5: Finger extension
55
POSTERIOR COMPARTMENT Superficial group: Extensor carpi ulnaris - origin
Lateral epicondyle of humerus, Posterior border of the ulna
56
POSTERIOR COMPARTMENT Superficial group: Extensor carpi ulnaris - insertion
Base of metacarpal bone 5
57
POSTERIOR COMPARTMENT Superficial group: Extensor carpi ulnaris - innervation
Posterior interosseous nerve (C7, C8)
58
POSTERIOR COMPARTMENT Superficial group: Extensor carpi ulnaris - function
Wrist joint: Hand extension and adduction
59
POSTERIOR COMPARTMENT Deep group: Supinator - origin
Lateral epicondyle of humerus, Radial collateral ligament, Anular ligament, Supinator crest of ulna
60
POSTERIOR COMPARTMENT Deep group: Supinator - insertion
Lateral, posterior, and anterior surfaces of proximal third of radius
61
POSTERIOR COMPARTMENT Deep group: Supinator - innervation
Posterior interosseous nerve (C7, C8)
62
POSTERIOR COMPARTMENT Deep group: Supinator - function
Proximal radioulnar joint: Forearm supination
63
POSTERIOR COMPARTMENT Deep group: Abductor pollicis longus - origin
Posterior surface of proximal half of radius, ulna and interosseus membrane
64
POSTERIOR COMPARTMENT Deep group: Abductor pollicis longus - insertion
Base of metacarpal bone 1, (Trapezium Bone)
65
POSTERIOR COMPARTMENT Deep group: Abductor pollicis longus - innervation
Posterior interosseous nerve (C7, C8)
66
POSTERIOR COMPARTMENT Deep group: Abductor pollicis longus - function
Radiocarpal joint: Hand abduction (radial deviation); CMC joint of thumb: Thumb abduction and extension
67
POSTERIOR COMPARTMENT Deep group: Extensor pollicis longus - origin
Posterior surface of middle third of ulna and interosseus membrane
68
POSTERIOR COMPARTMENT Deep group: Extensor pollicis longus - insertion
Posterior aspect of base of distal phalanx of thumb
69
POSTERIOR COMPARTMENT Deep group: Extensor pollicis longus - innervation
Posterior interosseous nerve (C7, C8)
70
POSTERIOR COMPARTMENT Deep group: Extensor pollicis longus - function
Wrist joints: Weak hand extension MCP and IP joint of thumb: Thumb extension
71
POSTERIOR COMPARTMENT Deep group: Extensor pollicis brevis - origin
Posterior surface of distal third of radius and interosseus membrane
72
POSTERIOR COMPARTMENT Deep group: Extensor pollicis brevis - insertion
Posterior aspect of base of proximal phalanx of thumb
73
POSTERIOR COMPARTMENT Deep group: Extensor pollicis brevis - innervation
Posterior interosseous nerve (C7, C8)
74
POSTERIOR COMPARTMENT Deep group: Extensor pollicis brevis - function
CMC and MCP joint 1: Thumb extension
75
POSTERIOR COMPARTMENT Deep group: Extensor indicis - origin
Posterior surface of distal third of ulna and interosseus membrane
76
POSTERIOR COMPARTMENT Deep group: Extensor indicis - insertion
Extensor expansion of index finger
77
POSTERIOR COMPARTMENT Deep group: Extensor indicis - innervation
Posterior interosseous nerve (C7, C8)
78
POSTERIOR COMPARTMENT Deep group: Extensor indicis - function
Wrist joints: Weak hand extension MCP and IP joints of index finger: Finger extension

Muscle Anatomy (19 decks)

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