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Living Anatomy I > Muscles for Test #2- Guess the muscle! > Flashcards

Muscles for Test #2- Guess the muscle! Flashcards

1
Q

O: Lateral epicondyle of humerus (via common flexor tendon)
I: Dorsal surfaces, base of middle & distal phalanges of fingers 2-5
A: Extension of 2nd-5th fingers

A

Extensor Digitorum Communis

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2
Q

O: Humeral head- medial epicondyle of humerus (common flexor tendon)
Ulnar head- proximal 2/3 of ulna
I: Pisiform, hamate, 5th metacarpal
A: Flexion and aDduction (ulnar deviation)

A

Flexor Carpi Ulnaris

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3
Q

O: Lateral epicondyle of humerus
I: Dorsal surface, base of third metacarpal
A: Wrist extension and radial deviation

A

Extensor Carpi Radialis Brevis

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4
Q

O: Anterior radius and interosseous membrane
I: Base of distal phalange of thumb
A: Flexion of thumb

A

Flexor Pollicis Longus

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5
Q

O: Medial epicondyle of humerus
I: Palmar aponeurosis and flexor retinaculum
A: Flexion of wrist, tension of palm

A

Palmaris Longus

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6
Q

O: Lateral supracondylar ridge of humerus
I: Lateral aspect of the base of the styloid process of the radius
A: Flexion of elbow, Supination (from full pronation to netural), Pronation (from full supination to neutral)

A

Brachioradialis

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7
Q

O: Posterior surface of radius and interosseous membrane
I: Proximal phalanx of thumb
A: Extension of MP joint of thumb (by continued action: extension of MCP joint of thumb, extension and radial deviation of wrist)

A

Extensor Pollicis Brevis

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8
Q

O: Proximal ¾ of ulna
I: Base of distal phalanges of fingers 2-5
A: Flexion of CM, MP, PIP, and DIP joint

A

Flexor Digitorum Profundus

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9
Q

O: Common Flexor tendon, coronoid process, radial shaft, ulnar collateral ligament
I: Base of middle phalanx of fingers 2-5 (splits to sides)
A: Flexion of CM, MP, PIP

A

Flexor Digitorum Superficialis

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10
Q

O: Lateral supracondylar ridge of humerus
I: Dorsal surface of base of second metacarpal
A: Wrist extension and radial deviation

A

Extensor Carpi Radialis Longus

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11
Q

O: Medial epicondyle of humerus (common flexor tendon)
I: Base of 2nd and 3rd metacarpals
A: Flexion and aBduction of wrist (radial deviation)

A

Flexor Carpi Radialis

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12
Q

O: Lateral epicondyle of humerus and dorsal aspect of the middle shaft of the ulna
I: Base of 5th metacarpal
A: Wrist extension and ulnar deviation

A

Extensor Carpi Ulnaris

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13
Q

O: Distal ulna
I: Distal radius
A: Pronation

A

Pronator Quadratis

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14
Q

O: Posterior surface of ulna and interosseous membrane
I: Distal phalanx of thumb
A: Extension of IP joint of thumb (by continued action: extension of MCP joint of thumb, extension and radial deviation of wrist)

A

Extensor Pollicis Longus

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15
Q

O: Humeral head- medial epicondyle of humerus
Ulnar head- Coronoid process of ulna
I: Middle of lateral surface of radius
A: Forearm pronation, elbow flexion

A

Pronator Teres

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16
Q

O: Lateral epicondyle of the humerus (posterior aspect)
I: Lateral aspect of Olecranon and proximal ulna
A: Extension of the elbow

A

Anconeus

17
Q

O: Posterior surface of radius & ulna and interosseous membrane
I: Base of first metacarpal (radial side)
A: Thumb Abduction & extension

A

Abductor Pollicis Longus

18
Q

O: Radial collateral Ligament, annular ligament, & supinator crest of the ulna
I: Lateral surface of proximal shaft of radius
A: Supinate the forearm

A

Supinator

19
Q

Which muscles supinate?

A

Biceps brachii
Supinator
Brachioradialis (assists)

20
Q

Which muscles pronate?

A

Pronator teres
Pronator quadratus
Brachioradialis

21
Q

Which muscles extend the wrist?

A

Extensor carpi radialis longus
Extensor carpi radialis brevis
Extensor carpi ulnaris
Extensor digitorum (assists)

22
Q

Which muscles flex the wrist?

A 
Flexor carpi radialis
Flexor carpi ulnaris
Palmaris Longus
Flexor digitorum superficialis
Flexor digitorum profundus (assists)
23
Q

Which muscles abduct the wrist (radial deviation)?

A

Extensor carpi radialis longus
Extensor carpi radialis brevis
Flexor carpi radialis

24
Q

Which muscles adduct the wrist (ulnar deviation)?

A

Extensor carpi ulnaris

Flexor carpi ulnaris

25
Q

Which muscles flex the elbow?

A 
Biceps brachii
Brachialis
Brachioradialis
Flexor carpi radialis
Flexor carpi ulnarius (assists)
Palmaris longus
Pronator teres (assists)
Extensor carpi radialis longus (assists)
Extensor carpi radialis brevis (assists)
26
Q

Which muscles extend the elbow?

A

Triceps

Anconeous

27
Q

Which muscles extend the 2nd-5th fingers?

A

Extensor digitorum

and others we haven’t learned

28
Q

Which muscles flex the 2nd-5th fingers?

A

Flexor digitorum superficialis
Flexor digitorum profundus
(and others we haven’t learned)

29
Q

Which muscles flex the thumb?

A

Flexor pollicis longus

and others we haven’t learned

30
Q

Which muscles extend the thumb?

A

Extensor pollicis longus
Extensor pollicis brevis
Abductor pollicis longus
(and others we haven’t learned)

31
Q

Which muscles do opposition of the thumb?

A

Flexor pollicis brevis (assists)
Abductor pollicis brevis (assists)
(and others we haven’t learned)

Living Anatomy I (5 decks)

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