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Functional Anatomy > OIAN of Shoulder > Flashcards

OIAN of Shoulder Flashcards

1
Q

Supraspinatus (O:)

A

supraspinous fossa of scapula

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2
Q

Supraspinatus (I: )

A

greater tubercle of humerus

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3
Q

Supraspinatus (A:)

A

stabilize humeral head against glenoid
shoulder abduction (1st 30deg)+

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4
Q

Supraspinatus (N:)

A

suprascapular nerve (C5-C6)

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5
Q

Infraspinatus (O:)

A

infraspinous fossa of scapula

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6
Q

Infraspinatus (I:)

A

greater tubercle of humerus

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7
Q

Infraspinatus (A:)

A

external rotation+
horizontal abduction+

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8
Q

Infraspinatus (N:)

A

suprascapular nerve (C5-C6)

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9
Q

Teres Minor (O:)

A

axillary border of scapula

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10
Q

Teres MInor (I:)

A

greater tubercle of posterior humerus

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11
Q

Teres Minor (A:)

A

external rotation+
horizontal abduction+

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12
Q

Teres Minor (N:)

A

axillary nerve (C5-C6)

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13
Q

Subscapularis (O:)

A

subscapular fossa of scapula

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14
Q

Subscapularis (I:)

A

lesser tubercle of humerus

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15
Q

Subscapularis (A:)

A

internal rotation+
adduction

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16
Q

Subscapularis (N:)

A

upper & lower subscapular nerve (C5, C6)

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17
Q

Pectoralis Major (O:)

A

Sternal: sternum & costal cartilage of 1st 6 ribs
Clavicular: medial 1/3 of clavicle

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18
Q

Pectoralis Major (I:)

A

lateral lip of bicipital groove

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19
Q

Pectoralis Major (A:)

A

adduction,
horizontal adduction+
internal rotation
Sternal: extension (from full flexion) 180-120 deg
Clavicular: flexion, 1st 60 deg

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20
Q

Pectoralis Major (N:)

A

medial & lateral pectoral nerve (C5-C8, T1)

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21
Q

Coracobrachialis (O:)

A

coracoid process

22
Q

Coracobrachialis (I:)

A

medial surface of humerus, near midpoint

23
Q

Coracobrachialis (A:)

A

stabilize humeral head
shoulder flexion
adduction

24
Q

Coracobrachialis (N:)

A

musculocutaneous nerve (C5-C7)

25
Q

Biceps Brachii (O:)

A

LH: supraglenoid tubercle of scapula
SH: coracoid process of scapula

26
Q

Biceps Brachii (I:)

A

radial tuberosity of radius

27
Q

Biceps Brachii (A:)

A

elbow flexion+
supination+
assist shoulder flexion

28
Q

Biceps Brachii (N:)

A

musculocutaneous nerve (C5, C6)

29
Q

Triceps Brachii (O:)

A

LongH: infraglenoid tubercle
Lateral H: inferior to greater tubercle (post. humerus)
Medial H: posterior distal 1/2 of humerus

30
Q

Triceps Brachii (I:)

A

olecranon process of ulna

31
Q

Triceps Brachii (A:)

A

elbow extension+
shoulder extension

32
Q

Triceps Brachii (N:)

A

radial nerve (C6-C8)

33
Q

Deltoid-Anterior (O:)

A

lateral 1/3 of clavicle

34
Q

Deltoid- Anterior (I:)

A

deltoid tuberosity

35
Q

Deltoid- Anterior (A:)

A

shoulder abduction
+flexion
internal rotation
horizontal adduction

36
Q

Deltoid- Anterior (N:)

A

axillary nerve (C5-C6)

37
Q

Deltoid- Middle (O:)

A

acromion process

38
Q

Deltoid- Middle (I:)

A

deltoid tuberosity

39
Q

Deltoid- Middle (A:)

A

shoulder abduction+

40
Q

Deltoid- Middle (N:)

A

axillary nerve (C5-C6)

41
Q

Deltoid- Posterior (O:)

A

scapular spine

42
Q

Deltoid- Posterior (I:)

A

deltoid tuberosity

43
Q

Deltoid- Posterior (A:)

A

+shoulder extension/hyper.
abduction
horizontal abduction
external rotation

44
Q

Deltoid- Posterior (N:)

A

axillary nerve (C5-C6)

45
Q

Latissimus Dorsi (O:)

A

spinous process T7-L5 (via thoracolumbar fascia)
lower 3 ribs
iliac crest
posterior sacrum

46
Q

Latissiumus Dorsi (I:)

A

floor of bicipital groove

47
Q

Latissimus Dorsi (A:)

A

+shoulder extension/hyper.
+adduction
internal rotation

48
Q

Latissimus Dorsi (N:)

A

thoracodorsal nerve (C6-C8)

49
Q

Teres Major (O:)

A

inferior axillary border of scapula

50
Q

Teres Major (I:)

A

medial lip of bicipital groove (anterior humerus)

51
Q

Teres Major (A:)

A

+shoulder extension
+adduction
internal rotation

52
Q

Teres Major (N:)

A

lower subscapular nerve (C5-C7)

Functional Anatomy (9 decks)

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