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Anatomy > Muscles of the Upper Limb - Posterior Forearm COPY > Flashcards

Muscles of the Upper Limb - Posterior Forearm COPY Flashcards

1
Q

Name muscle A

A

A - Abductor pollicis longus

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2
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus

Insertion - Olecranon and proximal posterior surface of ulna

A - Anconeus

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3
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor carpi ulnaris

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4
Q

Name muscle A

A

A - Extensor digiti minimi

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5
Q

What is the function of muscle A?

A
  1. Extension at interphalangeal joint of thumb
  2. Extension at carpometacarpal joints of thumb

A - Extensor pollicis longus

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6
Q

Name muscle A

A

A - Extensor carpi radialis brevis

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7
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus and adjacent intermuscular septum

Insertion - Base of metacarpals 2 and 3 (dorsal surfaces)

A - Extensor carpi radialis brevis

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8
Q

What is the function of muscle A?

A

Extension of little finger

A - Extensor digiti minimi

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9
Q

What is the function of muscle A?

A

Extension of index finger

A - Extensor indicis

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10
Q

What is the innervation of muscle A?

A

Radial nerve (C6, C7)

This is before the division into superficial and deep branches

A - Extensor carpi radialis longus

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11
Q

What are the origin and insertion sites for muscle A?

A

Origin - Lateral epicondyle of humerus, radial collateral and anular ligaments (superficial aspect of muscle); Supinator crest of ulna (deep aspect of muscle)

Insertion - Radius (lateral surface superior to anterior oblique line)

A - Supinator

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12
Q

Name muscle A

A

A - Supinator

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13
Q

What is the innervation of muscle A?

A

Radial nerve (C6, C7, C8)

A - Anconeus

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14
Q

Name muscle A

A

A - Anconeus

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15
Q

Name muscle A

A

A - Anconeus

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16
Q

Name muscle A

A

A - Extensor digitorum

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17
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor pollicis longus

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18
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Extensor digitorum

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19
Q

Name muscle A

A

A - Extensor pollicis brevis

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20
Q

Name muscle A

A

A - Brachioradialis

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21
Q

What are the origin and insertion sites for muscle A?

A

Origin - Radius (posterior surface distal to abductor pollicis longus) and adjacent interosseous membrane

Insertion - Base of proximal phalanx of thumb (dorsal surface)

A - Extensor pollicis brevis

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22
Q

Name muscle A

A

A - Extensor pollicis brevis

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23
Q

Name muscle A

A

A - Extensor carpi ulnaris

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24
Q

What is the innervation of muscle A?

A

Posterior interosseous nerve (C7, C8)

This is a division from the radial nerve

A - Abductor pollicis longus

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25
What is the innervation of muscle A?
Posterior interosseous nerve (C7, C8) This is a division from the ***radial nerve*** A - Extensor pollicis brevis
26
What is the innervation of muscle A?
Deep branch of radial nerve (C7, C8) A - Extensor carpi radialis brevis
27
Name muscle A
A - Brachioradialis
28
What are the origin and insertion sites for muscle A?
Origin - **Lateral epicondyle of humerus** and posterior border of ulna Insertion - **Tubercle at base of metacarpal 5** or "little finger" (medial side) A - Extensor carpi ulnaris
29
What is the function of muscle A?
1. Extension of wrist 2. Adduction of wrist A - Extensor carpi ulnaris
30
What are the origin and insertion sites for muscle A?
Origin - **Ulna** (posterior surface distal to adbductor pollicis longus) and adjacent interosseous membrane Insertion - Base of **distal phalanx of thumb** (dorsal surface) A - Extensor pollicis longus
31
What is the function of muscle A?
1. Extension of wrist 2. Abduction of wrist A - Extensor carpi radialis longus
32
What are the origin and insertion sites for muscle A?
Origin - **Supraepicondylar ridge** of humerus (proximal/lateral aspect) and adjacent intermuscular septum Insertion - **Distal end of radius** (lateral surface) A - Brachioradialis
33
Name muscle A
A - Brachioradialis
34
Name nerves A and B
A - Deep branch of radial nerve B - Superficial branch of radial nerve
35
What are the origin and insertion sites for muscle A?
Origin - **Lateral epicondyle of humerus** and adjacent intermuscular septum (together with extensor digitorum) Insertion - **Extensor hood of little finger** A - Extensor digiti minimi
36
What is the function of muscle A?
Supination of forearm A - Supinator
37
What is the innervation of muscle A?
Posterior interosseous nerve (C7, C8) This is a division from the ***radial nerve*** A - Extensor indicis
38
What is the innervation of muscle A?
Posterior interosseous nerve (C7, C8) This is a division from the ***radial nerve*** A - Extensor digiti minimi
39
Name muscle A
A - Abductor pollicis longus
40
Name muscle A
A - Extensor pollicis longus
41
Name muscle A
A - Extensor digitorum
42
What is the function of muscle A?
1. Extension of wrist 2. Abduction of wrist A - Extensor carpi radialis brevis
43
Name muscles A and B
A - Extensor pollicis longus B - Abductor pollicis longus
44
What is the function of muscle A?
1. Extension at metacarpophalangeal joint of thumb 2. Extension at carpometacarpal joint of thumb A - Extensor pollis brevis
45
Name muscle A
A - Extensor pollicis longus
46
Name muscles A to E
A - Extensor carpi ulnaris B - Extensor digiti minimi C - Extensor digitorum D - Extensor carpi radialis brevis E - Extensor carpi radialis longus
47
What is the innervation of muscle A?
Posterior interosseous nerve (C6, C7) This is a division from the ***radial nerve*** A - Supinator
48
Name muscle A
A - Extensor carpi radialis brevis
49
What is the function of muscle A?
1. Abduction of ulna (in pronation) 2. Accessory extension of elbow joint A - Anconeus
50
Name muscle A
A - Extensor digiti minimi
51
What are the origin and insertion sites for muscle A?
Origin - **Lateral epicondyle of humerus** and adjacent intermuscular septum and deep fascia Insertion - **Four tendons which insert to extensor hoods of phalanges** minus the thumb (dorsal aspects of bases of middle and distal phalanges) A - Extensor digitorum
52
Name muscle A
A - Supinator
53
Name muscle A
A - Extensor carpi radialis longus
54
Name muscle A
A - Brachioradialis
55
Name muscle A
A - Extensor carpi ulnaris
56
What is the innervation of muscle A?
Radial nerve (C5, C6) This is before the division into superficial and deep branches A - Brachioradialis
57
What is the function of muscle A?
1. Abduction of carpometacarpal joint of thumb 2. Accessory extension of thumb A - Abductor pollicis longus
58
What are the origin and insertion sites for muscle A?
Origin - **Ulna** (posterior surface distal to extensor pollicis longus) and adjacent interosseous membrane Insertion - Extensor hood of **index finger** A - Extensor indicis
59
Name muscle A
A - Extensor indicis
60
What are the origin and insertion sites for muscle A?
Origin - **Ulna and radius** (**posterior** surfaces distal to attachments of supinator and anconeus) and intervening interosseous membrane Insertion - Base of **metacarpal 1** (lateral side) A - Abductor pollicis longus
61
What is the function of muscle A?
Accessory flexion of elbow joint (when forearm is mid-pronated) A - Brachioradialis
62
What are the origin and insertion sites for muscle A?
Origin - **Supraepicondylar ridge** of humerus (distal/lateral aspect) and adjacent intermuscular septum Insertion - **Base of metacarpal 2** (dorsal surface) A - Extensor carpi radialis longus
63
Name muscle A
A - Extensor carpi radialis longus
64
What is the function of muscle A?
1. Extension of index, middle, ring and little fingers 2. Extension of wrist A - Extensor digitorum
65
Name muscle A
A - Supinator

Anatomy (34 decks)

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