Exam 1 Flashcards

1
Q

which directions does the glenoid fossa face?

A

lateral
superior
anterior

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2
Q

humeral head anatomy

A

convex
2-4 times bigger area than fossa

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3
Q

stability and mobility of the GHJ

A

poor stability
great mobility

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4
Q

glenoid labrum form and function

A

makes fossa 50% deeper
adds stability

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5
Q

where does GH capsule attach?

A

proximally: glenoid labrum
distally: neck of humerus

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6
Q

loose pack of GHJ

A

55 deg abduction
30 deg horizontal adduction

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7
Q

capsular pattern of GHJ

A

external rotation is more limited than abduction and flexion which is more limited than internal rotation

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8
Q

coracohumeral ligament is tight with

A

ER
flexion
extension

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9
Q

coracohumeral ligament resists

A

inferior translation of humeral head

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10
Q

coracoacromial ligament is tight with

A

abduction when insufficient slides of humeral head and superior translation

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11
Q

transverse humeral ligament is tight with

A

resisted supination and shoulder ER

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12
Q

superior GHL is tight with

A

full adduction with 0 degrees
abduction
ER
on slack at 90 degrees abduction

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13
Q

middle GHL is tight with

A

45 degrees abduction
45 degrees abduction with ER
anterior translation of humerus with EER
on slack at 90 degrees abduction

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14
Q

inferior GHL is tight with

A

90 degrees abduction
90 degrees abduction with ant and post bands and inferior capsules tight at end range ER and IR

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15
Q

supraspinatus provides reinforcement of what capsule

A

superior

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16
Q

infraspinatus provides reinforcement of what capsule

A

posterior

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17
Q

teres minor provides reinforcement of what capsule

A

posterior

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18
Q

subscapularis provides reinforcement of what capsule

A

anterior

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19
Q

what does subacromial bursa communicate with?

A

sub deltoid bursa
does not communicate with joint cavity

20
Q

what does sub deltoid bursa communicate with?

A

subacromial bursa
does not communicate with joint cavity

21
Q

what does subscapularis bursa communicate with?

A

joint cavity

22
Q

GHJ flexion roll and glide

A

anterior roll
posterior glide

23
Q

GHJ extension roll and glide

A

posterior roll
anterior glide

24
Q

GHJ medial rotation roll and glide

A

anterior roll
posterior glide

25
Q

GHJ lateral rotation roll and glide

A

posterior roll
anterior glide

26
Q

GHJ abduction roll and glide

A

cranial roll
caudal glide

27
Q

GHJ adduction roll and glide

A

caudal roll
cranial glide

28
Q

GIRD

A

GH internal rotation deficit

29
Q

GERG

A

GH external rotation gain

30
Q

How to restore IR ROM

A

cross body adduction

31
Q

support of SC joint

A

interclavicular ligament
costoclavicular ligament
sternoclavicular ligament with capsule
articular disc
SCM, sternothyroid, sterenohyoid

32
Q

clavicle surfaces at SC joint

A

longitudinal is convex
horizontal is concave
disc increases congruity

33
Q

SC joint elevation ligaments on slack and taught

A

superior ligaments are slack
inferior ligaments are taught

34
Q

SC joint depression ligaments taught

A

intereclavicular ligament and superior capsule

35
Q

SC joint retraction ligaments taut

A

costoclavicular ligament

36
Q

SCJ elevation roll and glide

A

roll cranially
glide inferior

37
Q

SCJ depression roll and glide

A

roll inferior
glide supeerior

38
Q

SCJ protraction roll and glide

A

roll anterior
glide anterior

39
Q

SCJ retraction roll and glide

A

roll posterior
glide posterior

40
Q

SCJ posterior rotation roll and glide

A

spin

41
Q

SCJ anterior rotation roll and glide

A

spin

42
Q

shoulder motion during SCJ elevation

A

abduction
flexion

43
Q

shoulder motion during SCJ depression

A

adduction
extension

44
Q

shoulder motion during SCJ protraction

A

horizontal adduction
IR

45
Q

shoulder motion during SCJ retraction

A

horizontal abduction
ER

46
Q

shoulder motion during SCJ cranial rotation

A

flexion
ER

47
Q

shoulder motion during SCJ caudal rotation

A

extension
IR