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Kinesiology 2 (PT 732) > Exam 1 > Flashcards

Exam 1 Flashcards

1
Q

angle of inclination for humerus

A

135 degrees

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2
Q

scapula is in contact with which ribs?

A

first 8 ribs

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3
Q

vertebrae level of spine of the scapula

A

T2

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4
Q

vertebrae level of inferior angle of scapula

A

T7

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5
Q

SC joint open pack position

A

-arm at side

resting position

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6
Q

SC joint close packed position

A

full elevation and protraction

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7
Q

SC joint capular pattern

A
  • pain at end ROM
  • horizontal adduction
  • full elevation
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8
Q

open chain SC joint arthrokinematics for protraction/retraction

A

concave clavicle on convex manubrium

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9
Q

open chain SC joint arthrokinematics for elevation/depression

A

convex clavicle on concave manubrium

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10
Q

superior glenohumeral ligament

A 
anatomic neck, above lesser tubercle
tightens with:
-inferior/post translations of the humeral head
-ER
-full adduction
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11
Q

middle glenohumeral ligament

A

-along the anterior aspect of anatomic neck
tightens with:
-anterior translation of humeral head especially in abd
-ER

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12
Q

inferior glenohumeral liagment

A

-broad sheet to inferior parts of anatomic neck
tightens with:
-all fibers: abduction
-anterior band: abd, ER
-posterior band: abd, IR
-axillary pouch: abd, A/P and inferior translation

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13
Q

coracohumeral ligament

A

anterior side of greater tubercle
tightens with:
-ER, inferior translation of humeral head

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14
Q

ac joint active stabilizers

A
  • upper trapezius

- deltoid

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15
Q

ac joint closed pack position

A

90 degrees abduction

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16
Q

ac joint open pack position

A

arm at side

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17
Q

ac joint capsular pattern

A
  • pain at end of ROM
  • horizontal adduction
  • full arm elevation
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18
Q

posterior rotation of the clavicle during abduction induced by:

A

coracoclavicular ligament

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19
Q

how many degrees does the scapular contribute to abduction?

A

60 degrees

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20
Q

How much of the humeral head is in contact with the glenoid fossa?

A

25 percent or less at any one time

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21
Q

glenohumeral closed pack position

A

abduction and lateral rotation

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22
Q

glenohumeral open pack postion

A

45 degress abduction
30 degrees flexion
(scapular plane)

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23
Q

glenohumeral capsular pattern

A

lateral rotation
abduction
medial rotation

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24
Q

isolated shoulder flexion ROM

A

120 degrees

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25
Q

shoulder extension/hyperextension ROM

A

60-80 degrees

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26
Q

isolated shoulder abduction ROM

A

120

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27
Q

internal rotation ROM

A

60-70 degrees

70-80 degrees when abducted

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28
Q

shoulder external rotation ROM

A

75-85 degrees

90-100 degrees when abducted

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29
Q

conjunct rotation

A

the component of spin or rotation that accompany any impure movement

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30
Q

shoulder flexion ROM

A

0-180 degrees

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31
Q

shoulder abduction ROM

A

0-180 degrees

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32
Q

innervation of SC joint

A

C3-C4

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33
Q

innervation of AC joint

A

C5-C6

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34
Q

innervation of glenohumeral joint

A

C5-C6

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35
Q

axillary nerve roots

A

C5 C6

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36
Q

thoracodorsal nerve roots

A

C6, C7, C8

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37
Q

upper subscapular nerve roots

A

C5 C6

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38
Q

lower subscapular nerve roots

A

C5 C6

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39
Q

lateral pectoral nerve roots

A

C5 C6 C7

40
Q

medial pectoral nerve roots

A

C8 T1

41
Q

suprascapular nerve roots

A

C5 C6

42
Q

subclavian nerve roots

A

C5 C6

43
Q

dorsal scapular nerve root

A

C5

44
Q

long thoracic nerve root

A

C5 C6 C7

45
Q

SC elevation ROM

A

45-50 degrees

46
Q

SC depression ROM

A

10 degrees

47
Q

sc protraction ROM

A

30 degrees

48
Q

sc retraction ROM

A

30 degrees

49
Q

SC posterior rotation ROM

A

25-55 degrees

50
Q

AC upward rotation ROM

A

30-35 degrees

51
Q

scapulothoracic upward rotation ROM

A

60 degrees

52
Q

action of supraspinatus during abduction

A
  • drives the superior roll of the humeral head
  • compresses the humeral head against the glenoid fossa
  • creates a semirigid spacer above the humeral head, restricting excessive superior translation
53
Q

action of subscapularis during abduction

A

depression force on humeral head

54
Q

action of infraspinatus during abduction

A

depression force on humeral head

-externally rotates the humerus

55
Q

action of teres minor during abduction

A
  • depression force on humeral head

- externally rotates the humerus

56
Q

during abduction adding 2 lbs can increase the joint reaction force by:

A

60%

57
Q

order of torques for shoulder muscle groups:

A 
greatest to least:
extensors
adductors
flexors
abductors
internal rotators
external rotators
-eccentric contraction always greater torque
58
Q

most common way to dislocate shoulder:

A

anterior

59
Q

normal carrying angle

A

5-15 degrees

60
Q

where do olecranon fractures usally happen?

A

deepest part of trochlear notch where there is little mineralization

61
Q

ulnar collateral ligament gets tight with:

A

valgus
anterior part: extension
posterior part: flexion

62
Q

radial collateral ligament gets tight with:

A

varus

63
Q

lateral ulnar collateral ligament gets tight with:

A

varus
ER of elbow
flexion

64
Q

annular ligament gets tight with:

A

distraction of the radius

65
Q

oblique cord of elbow

A

: runs from lateral ulnar tuberosity to distal radial tuberosity
-possibly to keep radius from moving distally

66
Q

elbow flexion ROM

A

0-150 degrees

67
Q

effect on carrying angle when elbow goes into flexion:

A

carrying angle decreases

68
Q

ulnohumeral capsular pattern

A

-flexion is more limited than extension

69
Q

ulnohumeral closed pack position

A

full extension with supination

70
Q

ulnohumeral loose pack position

A

70 degrees flexion

10 degrees supination

71
Q

radiohumeral capsular pattern

A

flexion is more limited than extension

72
Q

radiohumeral closed pack position

A

90 degrees flexion, slight supination

73
Q

radiohumeral loose pack position

A

full extension

full supination

74
Q

main dynamic stabilizer of the elbow

A

brachioradialis

75
Q

elbow muscles pCSA greatest to smallest

A

brachialis
biceps brachii
brachioradialis
pronator teres

76
Q

largest to smallest moment arm of elbow muscles

A

brachioradialis
biceps
brachialis
pronator teres

77
Q

longest to shortest length of elbow muscles

A

biceps
brachioradialis
brachialis

78
Q

where in elbow ROM is the greatest strength for elbow flexors?

A

75-90 degrees flexion

79
Q

Superior radioulnar joint ROM

A

0-80 degrees supination and pronation

80
Q

inferior radioulnar joint ROM

A

0-80 degrees supination and pronation

81
Q

closed pack position for superior and inferiorradioulnar joint

A

5 degrees supination

82
Q

superior radioulnar loose pack position

A

35 degrees supination

70 degrees flexion

83
Q

distal radioulnar loose pack position

A

10 degrees supination

84
Q

where in the ROM is greatest strength for elbow extensors?

A

90 degrees

-has more optimal muscle length and tension from inert tissue

85
Q

where in ROM is greatest moment arm for elbow extensors?

A

almost full extension

86
Q

extension is ____ as strong as flexion

A

60-80%

87
Q

SC anterior rotation ROM

A

0-10 degrees

88
Q

AC upward/downward rotation ROM

A

0-30 degrees

89
Q

AC internal/external rotation ROM

A

5-30 degrees

90
Q

AC anterior/posterior tilt ROM

A

5-30 degrees

91
Q

optimal position for palpation of supraspinatus tendon:

A

maximal adduction, IR, and hyperextension

92
Q

optimal position for palpation of infraspinatus and teres minor tendons

A

shoulder flexion, Add, ER

93
Q

optimal position for palpation of subscapularis tendon

A

shoulder adduction, neutral flex/ext neutral IR/ER

-in the deltopectoral triangle

94
Q

optimal position for palpation of the biceps brachii long head tendon

A

shoulder add, medial rotation (lap position)

in the deltopectoral triangle

95
Q

what elbow structure is lined with fibrocartilage?

A

annular ligament

Kinesiology 2 (PT 732) (5 decks)

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