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Anatomy > Dorsal Scapular POINA > Flashcards

Dorsal Scapular POINA Flashcards

1
Q

Deltoid Purposeful Action

A

-Yoga with arms overhead (all)
-Reaching for seatbelt (anterior fibers)
-Putting on seatbelt (posterior)

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2
Q

Deltoid Main Action

A

-Clavicular (anterior): flex and IR arm
-Acromial (middle): abduct arm
-Spinal (posterior): extend and ER arm

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3
Q

Deltoid Proximal Attachment

A

Clavicle, acromion, spine of scap (where trap ends)

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4
Q

Deltoid Distal Attachment

A

Deltoid tuberoisty

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5
Q

Deltoid Innervation

A

Axillary nerve (C5 main, C6)

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6
Q

Pectoralis Major Purposeful Action

A

Reaching across body into overhead cabinet, putting on seatbelt

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7
Q

Pectoralis Major Main Action

A

Arm: adduction, IR, horizontal adduction
Scapula: Protraction
Acting alone
Clavicular head: flex arm
Sternocostal head: extend humerus from flexed

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8
Q

Pectoralis Major Proximal Insertion

A

Clavicle, sternum, superior 6 costal cartilages, external oblique

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9
Q

Pectoralis Major Distal Attachment

A

Lateral lip of intertubercular groove of humerus

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10
Q

Pectoralis Major Innervation

A

Lateral and medial pectoral nerves
-Clavicular head: C5, C6 (main)
-Sternocostal head: (C7-8 main, T1)

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11
Q

Pectoralis Minor Purposeful Action

A

Taking a deep breath, walking with crutches

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12
Q

Pectoralis Minor Main Action

A

-Stabilize scapula (protraction)
-Assist to elevate thorax during forced inhalation (scap fixed)

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13
Q

Pectoralis Minor Proximal Attachment

A

3-5th rib near costal cartilage

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14
Q

Pectoralis Minor Distal Attachment

A

Coracoid process

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15
Q

Pectoralis Minor Innervation

A

Median pectoral nerve (C8, T1), lateral pectoral nerve (variable)

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16
Q

Infraspinatus Purposeful Action

A

Racket sports, table tennis

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17
Q

Infraspinatus Main Action

A

External rotation of shoulder, stabilize head of humerus in glenoid cavity

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18
Q

Infraspinatus Proximal Attachment

A

Infraspinous fossa

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19
Q

Infraspinatus Distal Attachment

A

Greater tubercle

20
Q

Infraspinatus Innervation

A

Suprascapular nerve (C5 main, C6)

21
Q

Teres Major Purposeful Action

A

Toileting and perineal care

22
Q

Teres Major Main Action

A

Adduction, IR

23
Q

Teres Major Proximal Attachment

A

Posterior angle of inferior border of scapula

24
Q

Teres Major Distal Attachment

A

Medial lip of intertubercular sulcus of humerus

25
Q

Teres Major Innervation

A

Lower subscapular (C5 and 6 main)

26
Q

Supraspinatus Purposeful Action

A

Painting overhead or washing hair

27
Q

Supraspinatus Main Action

A

Abduction (with deltoid), stabilize head of humerus in glenoid cavity (with SITS muscles)

28
Q

Supraspinatus Proximal Attachment

A

Supraspinous fossa

29
Q

Supraspinatus Distal Attachment

A

Greater tubercle of humerus

30
Q

Supraspinatus Innervation

A

Suprascapular nerve (C4, 5 main, 6)

31
Q

Teres Minor Purposeful Action

A

Washing back of head and neck

32
Q

Teres Minor Main Action

A

ER, stabilize head of humerus in glenoid cavity

33
Q

Teres Minor Proximal Attachment

A

Lateral border of scapula

34
Q

Teres Minor Distal Attachment

A

Greater tubercle of humerus

35
Q

Teres Minor Innervation

A

Axillary nerve (C5 main, C6)

36
Q

Subscapularis Purposeful Action

A

Toileting, donning a bra, throwing a baseball

37
Q

Subscapularis Main Action

A

IR, stabilize head of humerus in glenoid cavity

38
Q

Subscapularis Proximal Attachment

A

Subscapular fossa (anterior)

39
Q

Subscapularis Distal Attachment

A

Lesser tuberosity of humerus

40
Q

Subscapularis Innervation

A

Upper and lower subscapular (C5, C6 main, C7)

41
Q

Serratus Anterior Purposeful Action

A

Pushing open a heavy door

42
Q

Serratus Anterior Main Action

A

PUH
-Protraction
-Upward rotation (with upper/lower trap)
-Holds scapula against thoracic wall

43
Q

Serratus Anterior Proximal Attachment

A

Lateral part of upper 8-9 ribs

44
Q

Serratus Anterior Distal Attachment

A

Medial border of scapula

45
Q

Serratus Anterior Innervation

A

Long thoracic nerve (C5-7, 6 and 7 are main)
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Anatomy (15 decks)

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