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Musculoskeletal > Muscles of Upper limbs > Flashcards

Muscles of Upper limbs Flashcards

1
Q

Latissimus Dorsi Origin

A

Origin: Spinous process of T7-L5, posterior iliac crest, posterior sacrum

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2
Q

Latissimus Dorsi Insertion

A

Insertion: Medial Lip of the Bicipital Groove of the Humerus

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3
Q

Latissimus Dorsi Innervation

A

Innervation: Thoracodorsal Nerve

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4
Q

Latissimus Dorsi Actions

A

Actions: Medially rotates, adduction, extends the arm at the GH joint

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5
Q

Supraspinatus Origin

A

Origin: supraspinous fossa of the scapula

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6
Q

Supraspinatus Insertion

A

Insertion: Greater tubercle

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7
Q

Supraspinatus Innervation

A

Innervation: Suprascapular nerve

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8
Q

Supraspinatus Actions

A

Actions: Abduct the arm, stabilizes the GH joint

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9
Q

Infraspinatus Origin

A

Origin: Infraspinous fossa of the scapula

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10
Q

Infraspinatus Insertion

A

Insertion: greater tubercle of the humerus

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11
Q

Infraspinatus Innervation

A

Innervation: Suprascapular Nerve

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12
Q

Infraspinatus Actions

A

Actions: Externally rotates the GH joint, stabilizes the GH joint

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13
Q

Teres Minor Origin

A

Origin: Superior lateral border of the scapula

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14
Q

Teres Minor Insertion

A

Insertion: Grater tubercle

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15
Q

Teres Minor Innervation

A

Innervation: Axillary Nerve

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16
Q

Teres Minor Actions

A

Actions: Externally rotates the GH, Stabilizes the GH joint

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17
Q

Subscapularis Origin

A

Origin: Subscapular fossa

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18
Q

Subscapularis Insertion

A

Insertion: Lesser Tubercle

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19
Q

Subscapularis Innervation

A

Innervation: Upper and lower Subscapular Nerve

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20
Q

Subscapularis Actions

A

Actions: Internally rotates the GH joint, Stabilizes the GH joint

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21
Q

Trapezius Origin

A

Origin: External occipital protuberance, spinous process of C1-T12

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22
Q

Trapezius Insertion

A

Insertion: Lateral 1/3 clavicle, Acromion process, spine of the scapula

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23
Q

Trapezius Innervation

A

Innervation: CN XI - spinal accessory nerve

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24
Q

Trapezius Actions

A

Actions: on scapula -
Upper - elevates, upwardly rotates, retracts
Middle - Retracts
Lower - Depresses, Retracts, Upwardly rotates
Head/neck - Laterally flexes, extends, contralaterally rotates

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25
Q

Subclavian Origin

A

Origin: 1st rib

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26
Q

Subclavian Insertion

A

Insertion: Inferior aspect of middle 1/3 of clavicle

27
Q

Subclavian Innervation

A

Innervation: Nerve to Subclavius

28
Q

Subclavian Actions

A

Actions: Depresses clavicle, or by reverse action, Elevates 1st rib, stabilizes clavicle when moving UE

29
Q

Serrated Anterior Origin

A

Origin: Ribs 1-9

30
Q

Serrated Anterior Insertion

A

Insertion: Anterior surface of the medial border of scapula

31
Q

Serrated Anterior Innervation

A

Innervation: Long thoracic nerve

32
Q

Serrated Anterior Actions

A

Actions: Protracts and upwardly rotates the scapula, prevents winging of scapula

33
Q

Rhomboid Major Origin

A

Origin: Spinous process of T2-5

34
Q

Rhomboid Major Insertion

A

Insertion: Medial border of scapula from the root of the spine to inferior angle

35
Q

Rhomboid Major Innervation

A

Innervation: Dorsal Scapular Nerve

36
Q

Rhomboid Major Actions

A

Actions: Retracts, elevates, downwardly rotates the scapula

37
Q

Rhomboid Minor Origin

A

Origin: Spinous process of C7-T1

38
Q

Rhomboid Minor Insertion

A

Insertion: medial border of scapula at the root of the spine

39
Q

Rhomboid Minor Innervation

A

Innervation: Dorsal scapular nerve

40
Q

Rhomboid Minor Actions

A

Actions: retracts, elevates, downwardly rotates the scapula

41
Q

Pectoralis Minor Origin

A

Origin: Ribs 3-5

42
Q

Pectoralis Minor Insertion

A

Insertion: Coracoid Process of the scapula

43
Q

Pectoralis Minor Innervation

A

Innervation: Medial pectoral nerve

44
Q

Pectoralis Minor Actions

A

Actions: Protracts, depresses, and downwardly rotates the scapula, Elevates ribs 3-5 (by reverse action)

45
Q

Levator Scapulae Origin

A

Origin: Transverse process of C1-4

46
Q

Levator Scapulae Insertion

A

Insertion: Medial border of scapula from the superior angle of the scapula to the root of the scapula spine

47
Q

Levator Scapulae Innervation

A

Innervation: Dorsal scapular nerve

48
Q

Levator Scapulae Actions

A

Actions:
On scapula - elevates, downwardly rotates, retracts
On neck - extends, laterally flexes, ipsilaterally rotates

49
Q

Teres Major Origin

A

Origin: Inferior angle and inferior lateral border of scapula

50
Q

Teres Major Insertion

A

Insertion: Medial lip of the bicipital groove of the humerus

51
Q

Teres Major Innervation

A

Innervation: lower Subscapular nerve

52
Q

Teres Major Actions

A

Actions: medially rotates, adducts, extends at the GH joint

53
Q

Pectoralis Major Origin

A

Origin: Medial clavicle, sternum, ribs 1-7

54
Q

Pectoralis Major Insertion

A

Insertion: Lateral lip of the bicipital groove

55
Q

Pectoralis Major Innervation

A

Innervation: medial and lateral pectoral nerve

56
Q

Pectoralis Major Actions

A

Actions: Adducts, medially rotates, flexes, horizontally adducts the arm at the GH joint

57
Q

Coracobrachialis Origin

A

Origin: Coracoid process of the scapula

58
Q

Coracobrachialis Insertion

A

Insertion: medial 1/3 of the shaft of the humerus

59
Q

Coracobrachialis Innervation

A

Innervation: musculocutaneous nerve

60
Q

Coracobrachialis Actions

A

Actions: Flexes and adducts the arm at GH joint

61
Q

Deltoid Origin

A

Origin: Lateral clavicle, Acromion process and spine of scapula

62
Q

Deltoid Insertion

A

Insertion: Deltoid tuberosity

63
Q

Deltoid Innervation

A

Innervation: Axillary nerve

64
Q

Deltoid Actions

A

Actions:
Anterior - Flex, internal rotation, horizontally adducts
Posterior - Extension, external rotation, horizontally abducts
All - abducts GH joint

Musculoskeletal (2 decks)

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