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Anatomy > Exam 3 > Flashcards

Exam 3 Flashcards

1
Q

Pectoralis Major: Action

A

Adducts, medially rotates, flexes arm

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2
Q

Pectoralis Major: Innervation

A

Medial & lateral pectoral nerves

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3
Q

Pectoralis Major: Proximal Attachment

A

Sternum, medial clavicle, costal cartilage

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4
Q

Pectoralis Major: Distal Attachment

A

Proximal humerus

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5
Q

Pectoralis Minor: Action

A

Protracts, depresses, stabilizes scapula

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6
Q

Pectoralis Minor: Innervation

A

Medial pectoral nerve

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7
Q

Pectoralis Minor: Proximal Attachment

A

Ribs 3-5

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8
Q

Pectoralis Minor: Distal Attachment

A

Coracoid process of the scapula

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9
Q

Serratus Anterior: Action

A

Protracts scapula

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10
Q

Serratus Anterior: Innvervation

A

Long thoracic nerve

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11
Q

Serratus Anterior: Proximal Attachment

A

Ribs 1-8

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12
Q

Serratus Anterior: Distal Attachment

A

Medial border of scapula

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13
Q

Deltoid: Action

A

Flexes and medially rotates arm, abducts arm, extends and laterally rotates arm

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14
Q

Deltoid: Innervation

A

Axillary nerve

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15
Q

Deltoid: Proximal Attachment

A

Lateral clavicle, acromion, spine of scapula

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16
Q

Deltoid: Distal Attachment

A

Deltoid tuberosity of humerus

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17
Q

Anterior Arm: Action

A

Flexes arm + forearm, supinates forearm

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18
Q

Anterior Arm: Muscles

A

Biceps brachii, brachialis, coracobrachialis

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19
Q

Anterior Arm: Innervation

A

Musculocutaneous nerve

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20
Q

Anterior Arm: Blood Supply

A

Brachial artery & vein

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21
Q

Posterior Arm: Action

A

Extends formarm + arm

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22
Q

Posterior Arm: Muscles

A

Triceps brachii

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23
Q

Posterior Arm: Innervation

A

Radial nerve

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24
Q

Posterior Arm: Blood Supply

A

Deep brachial artery and vein

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25
Q

Biceps Brachii: Action

A

Supinates foream, flexes forearm in the supinated position, flexes arm

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26
Q

Biceps Brachii: Proximal Attachment

A

Short head: coracoid process of scapula
Long head: superior aspect of scapula

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27
Q

Biceps Brachii: Distal Attachment

A

Tendon attaches to proximal radius and to the fascia of forearm via bicipital aponeurosis

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28
Q

Brachialis: Action

A

Flexes forearm in all positions

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29
Q

Bracialis: Proximal Attachment

A

Distal half of humerus

30
Q

Brachialis: Distal Attachment

A

Proximal ulna

31
Q

Coracobrachialis: Action

A

Assists in flexion and adduction of arm, resists dislocation

32
Q

Coracobrachialis: Proximal Attachment

A

Coracoid process of scapula

33
Q

Coracobrachialis: Distal Attachment

A

Middle third of humerus

34
Q

Triceps Brachii: Action

A

Chief extensor of forearm, long head resists dislocation of humerus

35
Q

Triceps Brachii: Proximal Attachment

A

Posterior humerus and inferior scapula

36
Q

Triceps Brachii: Distal Attachment

A

Olecranon of ulna

37
Q

Anterior Forearm: Proximal Attachment

A

Medial humeral epicondyle

38
Q

Anterior Forearm: Innervatioin

A

Median Nerve

39
Q

Anterior Forearm: Function

A

Muscles flex joints of the wrist & hand, pronators of the forearm

40
Q

Posterior Forearm: Function

A

Muscles extend joints of the wrist & hand, supinate the forearm

41
Q

Posterior Forearm: Proximal Attachment

A

Lateral humeral epicondyle

42
Q

Posterior Forearm: Innervation

A

Deep radial nerve

43
Q

Flexor Retinaculum: Function

A

Holds tendons in place at the wrist of the anterior forearm

44
Q

Extensor Retinaculum: Function

A

Holds tendons in place at the posterior forearm

45
Q

Thenar Compartment: Innervation

A

Recurrent branch of the median nerve

46
Q

Hypothenar Compartment: Innervation

A

Deep ulnar nerve

47
Q

Central Compartment of the Palm: Innervation

A

Deep ulnar nerve

48
Q

Adductor Compartment: Innvervation

A

Deep ulnar nerve

49
Q

Interosseous Compartment: Innervation

A

Deel ulnar nerve

50
Q

External Intercostal Muscle: Function

A

Elevate ribs during forced respiration

51
Q

External Intercostal Muscle: Innervation

A

Intercostal nerve

52
Q

External Intercostal Muscle: Fiber Direction

A

Hand in pocket
*inferior portion of superior rib to superior portion on inferior rib

53
Q

Internal Intercostal Muscle: Fiber Direction

A

Hand on chest

54
Q

Internal Intercostal Muscle: Innervation

A

Intercostal nerve

55
Q

Internal Intercostal Muscle: Function

A

Depress ribs during forced expiration

56
Q

Innermost Intercostal Muscle: Innervation

A

Intercostal nerve

57
Q

Innermost Intercostal Muscle: Function

A

Depress ribs during forced expiration

58
Q

Transversus Thoracis Muscle: Function

A

Weakly depress ribs

59
Q

Transversus Thoracis Muscle: Innervation

A

Intercostal nerve

60
Q

Transversus Thoracis Muscle: Location

A

Courses from posterior aspect of inferior sternum to the costal cartilages of 2-6

61
Q

Innermost Intercostal Muscle: Fiber Direction

A

Hand on chest

62
Q

Innermost Intercostal Muscle: Attachment

A

Posterolateral aspects of the thoracic wall

63
Q

Subcostal Muscle: Attachment

A

Inferior border of a rib to superior border of a rib 2-3 spaces below

64
Q

Subcostal Muscle: Function

A

Depress the rib during forced expiration

65
Q

Organs in the UR Quadrant

A

Liver, gallbladder, small intestine, large intestine

66
Q

Organs in the UL Quadrant

A

Spleen, stomach, small intestine, large intestine

67
Q

Organs in the LR Quadrant

A

Appendix, small intestine, large intestine

68
Q

Organs in the LL Quadrant:

A

Small intestine, large intestine

69
Q

External Oblique Muscle: Fiber Direction

A

Hands in pocket

70
Q

Internal Oblique Muscle: Fiber Direction

A

Hand on chest

71
Q

Transversus Abdominis Muscle: Fiber Direction

A

Horizontal

Anatomy (4 decks)

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