Shoulder Clinical Exam Flashcards

1
Q

what are the four joints that are part of the shoulder?

A

acromioclavicular, sternoclavicular, scapulothoracic, glenohumeral

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2
Q

the shoulder joins sacrifices ____________ for _______________

A

stability; mobility

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3
Q

what is the static stabilizer of the shoulder?

A

glenoid labrum

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4
Q

what is the dynamic stabilizer of the shoulder?

A

rotator cuff muscles

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5
Q

what are the rotator cuff muscles?

A

supraspinatus, infraspinatous, subscapularis, teres minor

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6
Q

what kind of force do the big should muscles exert?

A

net upward force

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7
Q

what kind of force do the RC muscles exert to counteract the big shoulder muscles?

A

infermedial force

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8
Q

what is impingement syndrome?

A

if RC muscles dont oppose the big shoulder muscles, the supraspinatus, subacromial bursa, and other structures can get pinched between humeral head and acromion

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9
Q

what can cause an AC joint disruption?

A

an inferiorly directed overload force

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10
Q

what can cause a clavicular fracture in the middle of curve of clavicle?

A

a medially directed overload force

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11
Q

what ROM is the AC joint responsible for?

A

last 10-20 degrees of shoulder abduction

forward flexion

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12
Q

in what planes does the SC joint withstand lots of force?

A

transverse and saggital

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13
Q

in what plane does the SC joint allow almost limitless motion?

A

coronal

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14
Q

what are the ROMs that you will test?

A

F&E (hitler), ABD&ADD (ymca), horizontal ABD, ADD (izzard), INT and EXT rotation (wave dancer)

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15
Q

how do you test supraspinatus strength?

A

empty can/abduction - you stick pt’s arm out in front, turn thumb down, and passively flex arm up

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16
Q

how do you test infraspinatus and teres minor strength?

A

external rotation; arm bent at elbow and adjacent to ribs; doc pushes in as pt tries to push out/externally rotate

17
Q

how do you test subscapularis?

A

lift off test - parade rest - pt tries to push out as you push in

18
Q

what are the special tests for impingment?

A

Neer’s and Hawkin’s

19
Q

what is the Neer’s special test?

A

like empty can but passively lift

positive test is pain with flexion

20
Q

what is Hawkin’s special test?

A

arm and elbow at 90 degrees (like a genie) and then push hand down
positive test is pain with roration

21
Q

how do impingement tests work?

A

you are pushing the greater tuberosity of the humerus under the acromion more, narrowing the subacromial space

22
Q

what are the instability tests?

A

apprehension test, relocation test, AC cross chest adduction

23
Q

what are the apprehension and relocation tests?

A

pt lies down with arm sticking straight out, bend at elbow and push the hand towards the face; positive test means pain with external rotation

if apprehension test is positive, do relocation; push posteriorly into humerus, if less painful - then that’s a positive test

24
Q

what is the AC cross chest adduction test?

A

make a scarf with your hand, keep elbow at shoulder level, can push down on elbow as pt pushes up