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Anatomy Exam 1 > Arm and Flexor Region of Forearm > Flashcards

Arm and Flexor Region of Forearm Flashcards

1
Q

Serratus anterior (attachment)

A

Lateral surface of ribs AND Medial border of scapula

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2
Q

Serratus anterior (innervation)

A

Long thoracic nerve (C5-C7)

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3
Q

Serratus anterior (action)

A

Protracts scapulae, stabilizes scapula against thoracic wall, Rotates scapula superiorly

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4
Q

Subscapularis (attachment)

A

Subscapular fossa AND Lesser tubercle of humerus

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5
Q

Subscapularis (innervation)

A

Upper and Lower Subscapular nerves (C5-C6)

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6
Q

Subscapularis (action)

A

Medially rotates arm AND as part of rotator cuff: holds humeral head in glenoid cavity

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7
Q

Coracobrachialis (attachment)

A

Coracoid process of scapula AND medial surface of humerus

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8
Q

Coracobrachialis (innervation)

A

Musculocutaneous nerve (C5-C7)

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9
Q

Coracobrachialis (action)

A

Flexes and adducts arm AND resists inferior displacement of humeral head

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10
Q

Brachialis (attachment)

A

Anterior surface of humerus AND Coronoid process and tuberosity of ulna

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11
Q

Brachialis (innervation)

A

Musculocutaneous nerves (C5-C6) and radial nerve (C5-C7)

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12
Q

Brachialis (action)

A

Flexes forearm

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13
Q

Biceps brachii (attachment)

A

Short head: Coracoid process of scapula AND tuberosity of radius, bicipital groove to fascia of forearm
Long head: Supraglenoid tubercle of scapula AND tuberosity of radius, bicipital groove to fascia of forearm

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14
Q

Biceps brachii (innervation)

A

Musculocutaneous nerve (C5-C7)

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15
Q

Biceps brachii (action)

A

Supinates forearm, Flexes forearm when supinated

*short head also resists inferior displacement of humeral head

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16
Q

Anconeus (attachment)

A

Lateral epicondyle of humerus AND olecranon process of ulna, posterior surface of ulna

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17
Q

Anconeus (innervation)

A

Radial nerve (C7-T1)

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18
Q

Anconeus (action)

A

Extends forearm

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19
Q

Brachioradialis (attachment)

A

Lateral supraepicondylar ridge of humerus AND lateral surface of distal radius

20
Q

Brachioradialis (innervation)

A

Radial nerves (C5-C7)

21
Q

Brachioradialis (action)

A

Flexes forearm

22
Q

Pronator teres (attachment)

A

Ulnar head: Coronoid process of ulna AND lateral surface of radius
Humeral head: Medial epicondyle of humerus AND lateral surface of radius

23
Q

Pronator teres (innervation)

A

Median nerve (C6-C7)

24
Q

Pronator teres (action)

A

Pronates and flexes forearm

25
Q

Flexor carpi radialis (attachment)

A

Medial epicondyle of humerus AND base of 2nd metacarpal

26
Q

Flexor carpi radialis (innervation)

A

Median nerve (C6-C7)

27
Q

Flexor carpi radialis (action)

A

Flexes and aBducts hand

28
Q

Palmaris longus (attachment)

A

Medial epicondyle of humerus AND Palmar aponeurosis, flexor retinaculum

29
Q

Palmaris longus (innervation)

A

Median nerve (C7-C8)

30
Q

Palmaris longus (action)

A

Flexes hand, Tenses palm

31
Q

Flexor carpi ulnaris (attachment)

A

Humeral head: Medial epicondyle of humerus AND pisiform, hook of hamate, and base of 5th metacarpal
Ulnar head: Olecranon process and posterior surface of ulna AND pisiform, hook of hamate, and base of 5th metacarpal

32
Q

Flexor carpi ulnaris (innervation)

A

Ulnar nerve (C7-C8)

33
Q

Flexor carpi ulnaris (action)

A

flexes and aDducts hand

34
Q

Flexor digitorum superficialis (attachment)

A

Humeroulnar head: medial epicondyle of humerus, coronoid process of ulna AND middle phalanges of digits 2-5
Radial head: anterior surface of radius AND middle phalanges of digits 2-5

35
Q

Flexor digitorum superficialis (innervation)

A

Median nerve (C7-T1)

36
Q

Flexor digitorum superficialis (action)

A

Flexes middle phalanges at proximal interphalangeal joints of digits 2-5, Flexes digits at metacarpophalangeal joints 2-5

37
Q

Flexor digitorum profundus (attachment)

A

Anterior surface of ulna AND
medial part: distal phalanges of digits 4 & 5
lateral part: distal phalanges of digits 2 & 3

38
Q

Flexor digitorum profundus (innervation)

A

Medial part: ulnar nerve (C8-T1)

Lateral part: median nerve (C8-T1)

39
Q

Flexor digitorum profundus (action)

A

Flexes distal phalanges at distal interphalangeal joints of digits 2-5

40
Q

Flexor pollicis longus (attachment)

A

Anterior surface of radius AND distal phalanx of digit 1

41
Q

Flexor pollicis longus (innervation)

A

Median nerve (C8-T1)

42
Q

Flexor pollicis longus (action)

A

Flexes distal phalanx at interphalangeal joint of digit 1

43
Q

Pronator quadratus (attachment)

A

Anterior surface of distal ulna AND anterior surface of distal radius

44
Q

Pronator quadratus (innervation)

A

Median nerve (C8-T1)

45
Q

Pronator quadratus (action)

A

Pronates forearm

Anatomy Exam 1 (15 decks)

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