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Kinesiology > Unit 5 Lecture 1 > Flashcards

Unit 5 Lecture 1 Flashcards

1
Q

What does the scapulohumeral rhythm do?

A

The cooperation of the scapula with the movements of the humerus

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2
Q

Where does the scapular movement place the shoulder socket?

A

In the most favorable position for the head of the humerus

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3
Q

What movement does the girdle do?

A

Movement of the scapula on your back

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4
Q

What is protraction?

A

Moves shoulders forward

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5
Q

What is retraction?

A

Moves shoulders backwards

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6
Q

What type of joint is the sternoclavicular joint?

A

Saddle joint

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7
Q

What does the sternoclavicular do?

A

Permits limited motion of the clavicle

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8
Q

What is the sternoclavicular partially responsible for?

A

Movements of the scapula

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9
Q

The sternoclavicular is the only what?

A

Bony connection between the humerus and axial skeleton

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10
Q

What do the clavicle movements at the SC joint consist of?

A

Elevation and depression, protraction and retraction, and forward and backward rotation

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11
Q

What is the acromioclavicular joint?

A

Joint between the clavicle and the acromion process of the scapula

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12
Q

What are the anterior muscles of the shoulder girdle?

A

Pectoralis major and serratus anterior

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13
Q

What are the posterior muscles of the shoulder girdle?

A

Levator scapulae, rhomboids, and trapezius

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14
Q

Pectoralis minor origin and insertion

A

Scapula and ribs

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15
Q

What actions do the Pectoralis minor perform

A

Draws scapula downward and lifts rubs in forceful inspiration

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16
Q

Serratus anterior origin and insertion

A

Scapula and ribs

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17
Q

Action of the serratus anterior

A

Prime mover of protraction

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18
Q

What muscle is known as boxers muscle

A

Serratus

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19
Q

Trapezius origin and insertion

A

Skull and vertebrae and scapula and clavicle

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20
Q

Actions of trapezius

A

Neck lateral flexion, retraction, and depending on which fibers are active it can do upward and downward rotation of the scapula

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21
Q

What is the origin and insertion of the levator scapulae?

A

Cervical vertebrae and scapula

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22
Q

Actions of the levator scapulae

A

Scapular elevation, downward rotation of scapula, and neck lateral flexion

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23
Q

What muscle is the common cause of stiff neck?

A

Levator scapulae

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24
Q

Rhomboids origin and insertion

A

Vertebrae and scapula

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25
Q

Action of the rhomboids

A

Scapula retraction and rotators glenoid cavity downward

26
Q

What joint is the glenohumeral joint?

A

Shoulder joint

27
Q

What is the most freely moving joint in the body?

A

Glenohumeral joint

28
Q

What does the numeral head articulate with?

A

The shallow glenoid fossa of the scapula

29
Q

What does the glenoid labrum deepen?

A

The fossa and cushions again the impact of numeral head in forceful movements

30
Q

What type of tissues does the glenoid labrum use to deepen shoulder socket?

A

Soft tissues

31
Q

Anterior shoulder muscles

A

Pectoralis major, coracobrachialis, subscapularis, and biceps brachii

32
Q

Superior shoulder muscles

A

Deltoids and supraspinnatus

33
Q

Posterior shoulder muscle

A

Infraspinatus and teres minor

34
Q

Inferior shoulder muscles

A

Latissimus dorsi, teres major, and triceps brachii (long head)

35
Q

Pectoralis major origin and insertion

A

Sternum and clavicle, and humerus

36
Q

Action of Pectoralis major

A

Shoulder flexion, medial rotation, and adduction

37
Q

Coracobrachialis origin and insertion

A

scapula and humerus

38
Q

Action of coracobrachialis

A

Shoulder flexion and adduction

39
Q

Subscapularis origin and insertion

A

Scapula and hunerus

40
Q

Action of subscapularis

A

Prime mover of shoulder internal rotation

41
Q

Biceps brachii origin and insertion

A

Scapula and radius

42
Q

Actions of biceps brachii

A

Shoulder flexion, elbow flexion, and radioulnar supination

43
Q

Infraspinatus and teres minor origin and insertion

A

Scapula and humerus

44
Q

Action of Infraspinatus and teres minor

A

Lateral rotation of shoulder

45
Q

Deltoid origin and insertion

A

Clavicle and scapula, and humerus

46
Q

Actions of deltoid

A

Prime mover of shoulder

47
Q

If only anterior fibers are acting in deltoid what are its actions?

A

Flexion, horizontal adduction, and medial rotation

48
Q

If only posterior fibers are acting in deltoid then what are it’s actions?

A

Extension, horizontal abduction, and lateral rotation

49
Q

Supraspinatus origin and insertion

A

Scapula and humerus

50
Q

Action of supraspinatus

A

Stabilizes shoulder when carrying something and shoulder adduction

51
Q

What are the four rotator cuff muscles?

A

Subscapularis, supraspinatus, Infraspinatus, and teres minor

52
Q

What rotator cuff is torn most in throwers?

A

External rotator

53
Q

What is the mechanism of rotator tear in throwers?

A

When trying to stop internal rotation

54
Q

What rotator cuff is commonly torn in regular people?

A

Supraspinatus

55
Q

What is Supraspinatus impingement syndrome?

A

Occurs when repeated forceful abduction movements happen

56
Q

Latissimus dorsi origin and insertion

A

Origin:
Pelvis, ribs, and lumbar vertebraE

Insertion:
Humerus

57
Q

Actions of Latissimus dorsi

A

Prime mover of shoulder extension, also does adduction and medial rotation

58
Q

Teres major origin and insertion

A

Scapula and humerus

59
Q

Actions of teres major

A

Shoulder extension, adduction, and medial rotator

60
Q

What is the teres major also known as?

A

Lats little buddy

61
Q

Triceps brachii origin and humerus

A

Origin: scapula and humerus

Insertion: ulna

62
Q

Actions of triceps brachii

A

Prime mover of elbow extension, shoulder stabilization, and adduction

Kinesiology (5 decks)

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