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Upper Appendicular Muscles > Muscles that move the glenohumeral joint / arm > Flashcards

Muscles that move the glenohumeral joint / arm Flashcards

1
Q

Origin of deltoid - anterior fibres?

A

Lateral clavicle.

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2
Q

Origin of deltoid - middle fibres?

A

Acromion process.

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3
Q

Origin of deltoid - posterior fibres?

A

Spine of scapula.

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4
Q

Insertion of all deltoid fibres?

A

Deltoid tuberosity.

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5
Q

Action/s of deltoid - anterior fibres?

A

Flexion, medial rotation, horizontal flexion.

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6
Q

Action/s of deltoid - middle fibres?

A

Abduction.

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7
Q

Action/s of deltoid - posterior fibres?

A

Extension, lateral rotation, horizontal extension.

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8
Q

Origin of pectoralis major - clavicular head?

A

Medial clavicle.

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9
Q

Origin of pectoralis major - sternal head?

A

Sternum and costal cartilages.

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10
Q

Insertion of both heads of pectoralis major?

A

Lateral intertubercular sulcus.

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11
Q

Action/s of pectoralis major - clavicular head?

A

Flexion…also, adduction, horizontal flexion and medial rotation for two heads.

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12
Q

Action/s of pectoralis major - sternal head?

A

Extension…also, adduction, horizontal flexion and medial rotation for two heads.

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13
Q

Origin of latissimus dorsi?

A

Thoracolumbar vertebra, iliac crest.

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14
Q

Insertion of latissimus dorsi?

A

Intertubercular sulcus.

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15
Q

Action/s of latissimus dorsi?

A

Extension, adduction, medial rotation.

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16
Q

Origin of teres major?

A

Lateral border and inferior angle scapula.

17
Q

Insertion of teres major?

A

Medial intertubercular sulcus.

18
Q

Origin of supraspinatus?

A

Supraspinous fossa.

19
Q

Origin of infraspinatus?

A

Infraspinous fossa.

20
Q

Origin of teres minor?

A

Lateral border scapula.

21
Q

Insertion of supraspinatus, infraspinatus and teres minor?

A

Greater tubercle of humerus.

22
Q

Action/s of supraspinatus?

A

Abduction.

23
Q

Action/s of infraspinatus and teres minor?

A

Lateral rotation.

24
Q

Origin of subscapularis?

A

Subscapular fossa.

25
Q

Insertion of subscapularis?

A

Lesser tubercle of humerus.

26
Q

Action/s of subscapularis?

A

Medial rotation.

27
Q

Origin of coracobrachialis?

A

Coracoid process.

28
Q

Insertion of coracobrachialis?

A

Proximal humerus.

29
Q

Action/s of coracobrachialis?

A

Flexion and adduction.

30
Q

Origin of biceps brachii - long head?

A

Supraglenoid tubercle.

31
Q

Origin of biceps brachii - short head?

A

Coracoid process.

32
Q

Insertion of two heads of biceps brachii?

A

Radial tuberosity.

33
Q

Action/s of biceps brachii - long head?

A

Extension…and flexion for both heads.

34
Q

Action/s of biceps brachii - short head?

A

Adduction…and flexion for both heads.

35
Q

Action/s of teres major?

A

Medial rotation.

Upper Appendicular Muscles (3 decks)

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