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Kin > Shoulder and Arm > Flashcards

Shoulder and Arm Flashcards

1
Q

Deltoid Action

A

All: Abduct
Anterior: Flex, medially rotate, horizontally adduct
Posterior Extend, laterally rotate, horizontally abduct

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2
Q

Deltoid Origin

A

Lateral one-third of clavicle, acromion, and spine scapula

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3
Q

Deltoid Insertion

A

Deltoid tuberosity

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4
Q

Trapezius Action

A

Upper Bilaterally: extend head and neck
Upper Unilaterally: Laterally flex head and neck to the same side, rotate head and neck to opposite side, elevate scapula, upwardly rotate scapula
Middle: adduct scapula, stabilize scapula
Lower: depress scapula, upwardly rotate scapula

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5
Q

Trapezius Origin

A

External occipital protuberance, medial portion of superior nuchal line of the occiput, ligamentum nuchae, and spinous processes of C-7 through T-12

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6
Q

Trapezius Insertion

A

Same as Deltoid Origin

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7
Q

Latissimus Dorsi Action

A

Extend, adduct, medially rotate

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8
Q

Latissimus Dorsi Origin

A

Inferior angle of the scapula, spinous processes of last six thoracic vertebrae, last three of four ribs, thoracolumbar fascia and posterior iliac crest

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9
Q

Latissimus Dorsi Insertion

A

The intertubercular groove of the humerus

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10
Q

Teres Major Action

A

Extend, Adduct, medially rotate

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11
Q

Teres Major Origin

A

Inferior angle and lower one-third of lateral border of the scapula

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12
Q

Teres Major Insertion

A

Crest of the lesser tubercle of the humerus

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13
Q

Supraspinatus Action

A

Abduct, stabilize head of humerus in glenoid cavity

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14
Q

Supraspinatus Origin

A

Supraspinous fossa of the scapula

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15
Q

Supraspinatus Insertion

A

Greater tubercle of the humerus

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16
Q

Infraspinatus Action

A

Laterally rotate, adduct, stabilize head of humerus in glenoid cavity

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17
Q

Infraspinatus Origin

A

infraspinous fossa of the scapula

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18
Q

Infraspinatus Insertion

A

Same as Supraspinatus

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19
Q

Teres Minor Action

A

Same as Infraspinatus

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20
Q

Teres Minor Origin

A

Upper two-thirds of lateral border of the scapula

21
Q

Teres Minor Insertion

A

Same as Supraspinatus

22
Q

Subscapularis Action

A

Medially rotate, stabilize head of humerus in glenoid cavity

23
Q

Subscapularis Origin

A

Subscapular fossa of the scapula

24
Q

Subscapularis Insertion

A

Lesser tubercle of the humerus

25
Q

Rhomboids Action

A

Adduct, elevate scapula, downwardly rotate scapula

26
Q

Rhomboids Origin

A

Major: Spinous process of T-12 to T-5
Minor: Spinous process of C-7 and T-1

27
Q

Rhomboids Insertion

A

Major: Medial border of the scapula between the spine of the scapula and the inferior angle
Minor: Upper portion of medial border of the scapula, across from spine of the scapula

28
Q

Levator Scapula Action

A

Unilaterally: elevate scapula, downwardly rotate scapula, laterally flex head and neck, rotate head and neck to the same side
Bilaterally: extend head and neck

29
Q

Levator Scapula Origin

A

Transverse processes of first through fourth cervical vertebrae

30
Q

Levator Scapula Insertion

A

Medial border of scapula, between superior angle and superior portion of spine of scapula

31
Q

Serratus Anterior Action

A

With origin fixed: abduct scapula, upwardly rotate scapula, depress scapula, hold medial border of the scapula against the rib cage
With scapula fixed: may act to elevate the thorax during forced inhalation

32
Q

Serratus Anterior Origin

A

External surfaces of upper eight or nine ribs

33
Q

Serratus Anterior Insertion

A

The anterior surface of the medial border of the scapula

34
Q

Pectoralis Major Action

A

All: adduct, medially rotate, assist to elevate the thorax during forced inhalation
Upper: flex, horizontally adduct
Lower: extend

35
Q

Pectoralis Major Origin

A

Medial half of clavicle, sternum, and cartilage of first through sixth ribs

36
Q

Pectoralis Major Insertion

A

Crest of greater tubercle of humerus

37
Q

Pectoralis Minor Action

A

Depress scapula, abduct scapula, downwardly rotate the scapula
With scapula fixed: assist to elevate the thorax during forced inhalation

38
Q

Pectoralis Minor Origin

A

Third, fourth and fifth ribs

39
Q

Pectoralis Minor Insertion

A

Medial surface of coracoid process of the scapula

40
Q

Biceps Brachii Action

A

Flex elbow, supinate forearm, flex

41
Q

Biceps Brachii Origin

A

Short-head: Coracoid process of scapula
Long head: Supraglenoid tubercle of scapula

42
Q

Biceps Brachii Insertion

A

Tuberosity of the radius and aponeurosis of the biceps brachii

43
Q

Triceps Brachii Action

A

All heads: extend elbow
Long head: extend, adduct

44
Q

Triceps Brachii Origin

A

Long head: infraglenoid tubercle of scapula
Lateral head: posterior surface of proximal half of the humerus
Medial head: posterior surface of distal half of the humerus

45
Q

Triceps Brachii Insertion

A

Olecranon process of the ulna

46
Q

Coracobrachialis Action

A

Flex, adduct

47
Q

Coracobrachialis Origin

A

Coracoid process of scapula

48
Q

Coracobrachialis Insertion

A

Medial surface of mid-humeral shaft

Kin (2 decks)

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