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Anatomy > Upper Extremity > Flashcards

Upper Extremity Flashcards

1
Q

Latissimus Dorsi

A

 Adduction, medial rotation, extension of arm

 Thoracodorsal nerve

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2
Q

o Trapezius

A

 Elevate/retract/depress shoulder; help rotate the scapula to abduct/raise the arm above 90 degrees
 Accessory nerve

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3
Q

o Deltoid

A

Abducts arm 30-90 degrees

Axillary nerve

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4
Q

Pectoralis major and minor

A

Flex arm at shoulder; adduct and medially rotate arm; protract and depress scapula

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5
Q

Serratus anterior

A

 Protraction; together with trapezius, helps rotate scapula to abduct/raise arm above 90 degrees

 Long thoracic nerve

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6
Q

Rhomboid major/minor

A

 Retracts scapula

 Dorsal scapular nerve

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7
Q

Levator scapulae

A

 Elevates scapula

 Dorsal scapular nerve

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8
Q

Supraspinatus

A

 Initiates abduction of the arm

 Suprascapular nerve

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9
Q

Infraspinatus

A

 Lateral rotation of the arm

 Suprascapular nerve

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10
Q

Subscapularis

A

Medial rotation of the arm

Superior and inferior subscapular nerve

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11
Q

Teres minor

A

Lateral rotation of the arm

Axillary nerve

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12
Q

Teres major

A

Medial rotation, extension of the arm

Inferior subscapular nerve

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13
Q

Coracobrachialis

A

Flexes and adducts arm at shoulder

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14
Q

Brachialis

A

Main flexor of arm

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15
Q

Biceps brachii

A

Supinates arm at shoulder

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16
Q

Triceps Brachii/anconeus

A

Extension of arm at elbow

17
Q

Pronator teres

A

Pronates hand

Median nerve

18
Q

Flexor carpi radialis

A

Flexes the wrist

19
Q

Palmaris longus

A

Flex wrist

20
Q

Flexor carpi ulnaris

A

Flex wrist

Ulnar nerve

21
Q

Flexor digitorum superficialis

A

Flexes digits at the PIP joint

22
Q

Flexor pollicis longus

A

 Flexion of thumb at MIP and IP joints

23
Q

Flexor digitorum profundus

A

Flexes digits at DIP

24
Q

Pronator quadratus

A

Pronate hand/forearm

25
Q

Brachioradialis

A

Flexes forearm

26
Q

Extensor carpi radialis longus

A

Extends and abducts wrist

27
Q

Extensor carpi radialis brevis

A

Extend and abduct wrist

28
Q

Extensor digitorum

A

• Extend middle 4 fingers at MCP and IP joints

29
Q

Extensor digiti minimi

A

Exten the little finger

30
Q

Extensor carpi ulnaris

A

• Extension and adduction of wrist

31
Q

Supinator

A

Supinate forearm

32
Q

Abductor pollicis longus

A

Abduct the thumb

33
Q

Extensor pollicis brevis

A

Extend the thumb

34
Q

Extensor pollicis longus

A

Extend the thumb

35
Q

Extensor indicis

A

• Extend the index finger

36
Q

Lumbricals

A

Flex at MCP, extend at DIP and PIP

Anatomy (2 decks)

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