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Anatomy Year 1 > Movements of the shoulder > Flashcards

Movements of the shoulder Flashcards

Muscles involved in the movements of the shoulder

1
Q

Name the muscles involved in the abduction of the shoulder

A

Deltoid (middle fibres), supraspinatus (first 10-15 degrees)

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2
Q

Name the origin and insertion of the deltoid

A

O: lateral 1/3 clavicle + acromion + spine of scapula
I: deltoid tuberosity of humerus

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3
Q

Name the origin and insertion of the supraspinatus

A

O: supraspinous fossa of scapula
I: greater tubercle of humerus

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4
Q

Name the muscles involved in the adduction of the shoulder

A

Latissimus dorsi, teres major, pectoralis major, coracobrachialis

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5
Q

Name the origin and insertion of the latissimus dorsi

A

O: ilium + thoracolumbar fascia + spinous process of lower 6 thoracic verterbrae
I: floor of bicipital groove of humerus

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6
Q

Name the origin and insertion of the teres major

A

O: inferior 1/3 posterior lateral border of scapula
I: medial lip of bicipital groove of humerus

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7
Q

Name the origin and insertion of the pectoralis major

A

O: clavicle + costal cartilage ribs 1-6 + sternum
I: outer lip of bicipital groove of humerus

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8
Q

Name the origin and insertion of the coracobrachialis

A

O: coracoid process of scapula
I: medial mid-shaft humerus

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9
Q

Name the muscles involved in the extension of the shoulder

A

Triceps brachii LoH, deltoid (posterior fibres), latissimus dorsi

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10
Q

Name the origin and insertion of the triceps brachii LoH

A

O: infraglenoid tubercle of scapula
I: olecranon of ulna

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11
Q

Name the origin and insertion of the deltoid

A

O: lateral 1/3 clavicle + acromion + spine of scapula
I: deltoid tuberosity of humerus

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12
Q

Name the origin and insertion of the latissimus dorsi

A

O: ilium + thoracolumbar fascia + spinous process of lower 6 thoracic vertebrae
I: floor of bicipital groove of humerus

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13
Q

Name the muscles involved in flexion of the shoulder

A

Pectoralis major, coracobrachialis, biceps brachii LH

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14
Q

Name the origin and insertion of the pectoralis major

A

O: clavicle + costal cartilage ribs 1-6 + sternum
I: outer lip of bicipital groove of humerus

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15
Q

Name the origin and insertion of the coracobrachialis

A

O: coracoid process of scapula
I: medial mid-shaft humerus

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16
Q

Name the origin and insertion of the biceps brachii LH

A

O: supraglenoid tubercle
I: posterior radial tuberosity + tendon forms bicipital aponeurosis

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17
Q

Name the muscles involved in the medial rotation of the arm

A

Subscapularis, deltoid (anterior fibres), latissimus dorsi, teres major

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18
Q

Name the origin and insertion of the subscapularis

A

O: subscapularis fossa
I: greater tubercle humerus

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19
Q

Name the origin and insertion of the deltoid

A

O: lateral 1/3 clavicle + acomion + spine of scapula
I: deltoid tuberosity of humerus

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20
Q

Name the origin and insertion of the latissimus dorsi

A

O: ilium + thoracolumbar fascia + spinous process of lower 6 thoracic vertebrae
I: floor of bicipital groove of humerus

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21
Q

Name the origin and insertion of the teres major

A

O: inferior 1/3 posterior lateral border of scapula
I: medial lip of bicipital groove of humerus

22
Q

Name the origin and insertion of the infraspinatus

A

O: infraspinous fossa of scapula
I: greater tubercle humerus

23
Q

Name the origin and insertion of the teres minor

A

O: upper 2/3 lateral border scapula
I: greater tubercle humerus

24
Q

Name the origin and insertion of the deltoid

A

O: lateral 1/3 clavicle + acomion + spine of scapula
I: deltoid tuberosity of humerus

25
Q

Name the origin and insertion of the deltoid

A

O: lateral 1/3 clavicle + acomion + spine of scapula
I: deltoid tuberosity of humerus

26
Q

Name the origin and insertion of the pectoralis major

A

O: clavicle + costal cartilage ribs 1-6 + sternum
I: outer lip of bicipital groove of humerus

27
Q

Name the origin and insertion of the coracobrachialis

A

O: coracoid process of scapula
I: medial mid-shaft of humerus

28
Q

Name the origin and insertion of the coracobrachialis

A

O: coracoid process of scapula
I: medial mid-shaft of humerus

29
Q

Name the muscles involved in the elevation of the scapula

A

Trapezius (superior), levator scapulae

30
Q

Name the origin and insertion of the trapezius

A

O: superior nuchal line + nuchal lig + spinous process C7-T12
I: lateral third of clavicle + acromion + spine of scapula

31
Q

Name the origin and insertion of the levator scapulae

A

O: transverse processed of atlas + axis + 3rd + 4th cervical vertebrae
I: medial scapula border b/w superior angle + medial end of scapula spine

32
Q

Name the muscles involved in the depression of the scapula

A

Trapezius (inferior), pectoralis minor

33
Q

Name the origins and insertions of the trapezius

A

O: superior nuchal line + nuchal lig + spinous process C7-T12
I: lateral third of clavicle + acromion + spine of scapula

34
Q

Name the origin and insertion of the pectoralis minor

A

O: 3rd, 4th + 5th ribs
I: coracoid process of scapula

35
Q

Name the muscles involved in protraction

A

Pectoralis minor, serratus anterior

36
Q

Name the origin and insertion of the pectoralis minor

A

O: 3rd, 4th + 5th ribs
I: coracoid process of scapula

37
Q

Name the origin and insertion of the serratus anterior

A

O: outer surface of upper 8 ribs
I: medial border of scapula

38
Q

Name the muscles involved in the retraction of the scapula

A

Rhomboid major, rhomboid minor, trapezius (middle), levator scapulae

39
Q

Name the origin and insertion of the rhomboid major

A

O: T2-5 spines
I: medial border of scapula

40
Q

Name the origin and insertion of the rhomboid minor

A

O: nuchal lig + C7
I: medial end of spine of scapula

41
Q

Name the origin and insertion of the trapezius

A

O: superior nuchal line + nuchal lig + spinous process C7-T12
I: lateral third of clavicle + acromion + spine of scapula

42
Q

Name the origin and insertion of the levator scapulae

A

O: transverse processes of atlas, axis, 3rd + 4th cervical vertebrae
I: medial scapula border b/w superior angle + medial end of scapula spine

43
Q

Name the muscles involved in the inferior/medial rotation of the scapula

A

Rhomboid major, rhomboid minor, levator scapulae, pectoralis minor

44
Q

Name the origin and insertion of the rhomboid major

A

O: T2-5 spines
I: medial border of scapula

45
Q

Name the origin and insertion of the rhomboid minor

A

O: nuchal lig + C7
I: medial end of spine of scapula

46
Q

Name the origin and insertion of the levator scapulae

A

O: transverse process of atlas, axis, 3rd + 4th cervical vertebrae
I: medial scapular border b/w superior angle + medial end of scapula spine

47
Q

Name the origin and insertion of the pectoralis minor

A

O: 3rd, 4th + 5th ribs
I: coracoid process of scapula

48
Q

Name the muscles involved in the superior/lateral rotation of the scapula

A

Trapezius (upper + lower), serratus anterior

49
Q

Name the origin and insertion of the trapezius

A

O: superior nuchal line + nuchal lig + spinous process C7-T12
I: lateral third of clavicle + acromion + spine of scapula

50
Q

Name the origin and insertion of the serratus anterior

A

O: outer surface upper 8 ribs
I: medial border of scapula border

51
Q

Name the muscles involved in the slight downward and forward rotation of the clavicle

52
Q

Name the origin and insertion of the subclavis

A

O: sternal end of 1st rib
I: middle 1/3 of underside of clavicle

Anatomy Year 1 (21 decks)

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