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Anatomical Kinesiology > Exam 2: Shoulder Joint > Flashcards

Exam 2: Shoulder Joint Flashcards

1
Q

What are the 3 groups of the deltoid?

A

Anterior, Middle and Posterior

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2
Q

What is the insertion of the all groups of the deltoid?

A

Deltoid tuberosity of humerus

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3
Q

What is the origin of the anterior group of the deltoid?

A

Lateral 1/3 of clavicle

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4
Q

What is the action of the anterior group of the deltoid?

A

Abduction, flexion, internal rotation, horizontal adduction

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5
Q

What is the origin of the middle group of the deltoid?

A

Acromion process

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6
Q

What is the action of the middle group of the deltoid?

A

Abduction, horizontal adduction

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7
Q

What is the origin of the posterior group of the deltoid?

A

Spine of scapula

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8
Q

What is the action of the posterior group of the deltoid?

A

Abduction, extension, external rotation, horizontal abduction

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9
Q

What is the origin of the supraspinatus?

A

Medial 2/3rds supraspinous spinous process of scapula

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10
Q

What is the insertion of the supraspinatus?

A

Greater tubercle of humerus

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11
Q

What is the action of the supraspinatus?

A

Abduction and humeral head stabilization

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12
Q

What is the origin of the coracobrachialis?

A

Coracoid process of scapula

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13
Q

What is the insertion of the coracobrachialis?

A

Midway down humerus-anteromedial surface

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14
Q

What is the action of the coracobrachialis?

A

Flexion, adduction and horizontal adduction

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15
Q

What is the origin of the pectoralis major?

A

Medial half of clavicle, anterior portion of costal cartilages of ribs 1-6 and adjacent portion of sternum

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16
Q

What is the insertion of the pectoralis major?

A

Lateral lip of intertubercular groove

17
Q

What is the action of the pectoralis major?

A

Upper fibers: internal rotation, horizontal adduction, flexion (up to 60 degrees), adduction (w/ arm below 90 degrees of abduction), abduction (above 90 degrees)
Lower fibers: internal rotation, horizontal adduction, adduction and extension

18
Q

What is the origin of the subscapularis?

A

Anterior surface of subscapular fossa of scapula

19
Q

What is the insertion of the subscapularis?

A

Lesser tubercle of humerus

20
Q

What is the action of the subscapularis?

A

Internal rotation, adduction, extension and stabilization

21
Q

What is the origin of the teres major?

A

Posterior lower 1/3 of axillary border of scapula

22
Q

What is the insertion of the teres major?

A

Medial lip of intertubercular groove

23
Q

What is the action of the teres major?

A

Internal rotation, adduction and extension

24
Q

What is the origin of the latissmus dorsi?

A

T7-L5, iliac crest and back of sacrum

25
Q

What is the insertion of the latissmus dorsi?

A

Medial lip of intertubercular groove

26
Q

What is the action of the latissmus dorsi?

A

Adduction, internal rotation, extension and horizontal abduction

27
Q

What is the origin of the infraspinatus?

A

Infraspinous fossa of scapula

28
Q

What is the insertion of the infraspinatus?

A

Greater tubercle of humerus

29
Q

What is the action of the infraspinatus?

A

External rotation, horizontal abduction, extension and stabilization

30
Q

What is the origin of the teres minor?

A

Upper 2/3rds of axillary border of scapula

31
Q

What is the insertion of the teres minor?

A

Greater tubercle of humerus

32
Q

What is the action of the teres minor?

A

External rotation, horizontal abduction, extension and stabilization

33
Q

What is the origin of the biceps brachii?

A

Long head: supraglenoid tubercle
Shorts: coracoid process

34
Q

What is the insertion of the biceps brachii?

A

Radial tuberosity and bicipital aponeurosis

35
Q

What is the action of the biceps brachii?

A

Elbow flexion, supination of forearm, shoulder horizontal adduction, flexion and abduction

36
Q

What is the origin of the triceps brachii?

A

Long head: Infraglenoid tubercle of scapula
Lateral head: Upper 1/2 of posterior humerus
Medial head: Lower 2/3rds of posterior humerus

37
Q

What is the insertion of the triceps brachii?

A

Olecranon process

38
Q

What is the action of the triceps brachii?

A

Elbow extension, shoulder extension, adduction and horizontal abduction

Anatomical Kinesiology (9 decks)

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