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Anatomy Lab > OP Group 4 > Flashcards

OP Group 4 Flashcards

1
Q

Brachioradialis - Origin

A

lateral supracondylar ridge of humerus

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2
Q

Brachioradialis - Insertion

A

styloid process of radius

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3
Q

Brachioradialis - Action

A

flexion of elbow

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4
Q

Brachioradialis - Innervation

A

radial nerve

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5
Q

Extensor Digitorum - Origin

A

lateral epicondyle of humerus (via common extensor tendon)

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6
Q

Extensor Digitorum - Insertion

A

phalanges 2-5 mid and distal

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7
Q

Extensor Digitorum - Action

A

extension of fingers 2-5 (MCP, PIP, DIP), extension of wrist

crosses elbow joint so weak elbow extension

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8
Q

Extensor Digitorum - Innervation

A

radial nerve

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9
Q

Extensor Carpi Radialis Longus - Origin

A

distal 1/3 of lateral supracondylar ridge

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10
Q

Extensor Carpi Radialis Longus - Insertion

A

base of 2nd metacarpal

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11
Q

Extensor Carpi Radialis Longus - Action

A

extension of wrist, radial flexion (abduction) of wrist

crosses elbow joint so weak flexion/supination of elbow

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12
Q

Extensor Carpi Radialis Longus - Innervation

A

radial nerve

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13
Q

Extensor Digiti Minimi - Origin

A

lateral epicondyle of humerus (common extensor tendon)

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14
Q

Extensor Digiti Minimi - Insertion

A

middle and distal phalanges of 5th digit (extensor expansion)

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15
Q

Extensor Digiti Minimi - Action

A

extension of little finger (5th digit)

extension of wrist and weak extension of elbow

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16
Q

Extensor Digiti Minimi - Innervation

A

radial nerve

17
Q

Extensor Carpi Radialis Brevis - Origin

A

lateral epicondyle (common extensor tendon)

18
Q

Extensor Carpi Radialis Brevis - Insertion

A

base of 3rd metacarpal (dorsal side)

19
Q

Extensor Carpi Radialis Brevis - Action

A

extension of wrist, radial flexion (abduction) of wrist

crosses elbow so weak flexion of elbow

20
Q

Extensor Carpi Radialis Brevis - Innervation

A

radial nerve

21
Q

Anconeus - Origin

A

lateral epicondyle of humerus

22
Q

Anconeus - Insertion

A

olecranon process and proximal ¼ of posterior ulna

23
Q

Anconeus - Action

A

extension of elbow

24
Q

Anconeus - Innervation

A

radial nerve

25
Q

Extensor Carpi Ulnaris - Origin

A

humeral head: lateral epicondyle (common extensor tendon), ulnar head: posterior shaft of ulna

26
Q

Extensor Carpi Ulnaris - Insertion

A

base of 5th metacarpal (dorsal side)

27
Q

Extensor Carpi Ulnaris - Action

A

ulnar flexion (adduction of wrist), extension of wrist

crosses elbow joint so weak elbow extension

28
Q

Extensor Carpi Ulnaris - Innervation

A

radial nerve

Anatomy Lab (18 decks)

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