Shoulder Anatomy Review Flashcards Preview

Z Clin Med II - Ortho > Shoulder Anatomy Review > Flashcards

Flashcards in Shoulder Anatomy Review Deck (18)
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1
Q

Bones of the shoulder joint

A

Humerus
Scapula: Acromion, coracoid, glenoid fossa
Clavicle

2
Q

Joints of the shoulder

A

Sternoclavicular
Acromioclavicular
Glenohumeral
Scapulothoracic

3
Q

What is the most commonly injured rotator cuff muscle

A

Supraspinatus

4
Q

What is the purpose of the rotator cuff

A

centers humeral head in glenoid

humeral head depressor

5
Q

What nerve do you have to check with a distal 1/3 humeral fx

A

Radial nerve

Test this by doing wrist extension

6
Q

Muscles that perform flexion

A

supraspinatus, anterior deltoid

7
Q

Muscles that perform extension

A

infraspinatus, teres minor, post deltoid

8
Q

muscles that perform abduction

A

supraspinatus, deltoid

9
Q

muscles that perform adduction and internal rotation

A

subscapularis

10
Q

muscles that perform ext rotation

A

teres minor, infraspinatus

11
Q

Difference between active and passive ROM

A

If pt can’t perform active: d/t muscle, tendon, or nerve injury
if can’t do passive: loss d/t intra-articular problem

12
Q

How to do strength test for supraspinatus

A

Empty can

13
Q

How to do strength test for infraspinatus

A

ext. rotation at the side with Lag time

14
Q

How to do strength test for teres minor

A

ext rot at 90 degrees abduction

15
Q

How to do strength test for subscapularis

A

lift off or belly press

16
Q

What is Neer’s and Hawkin’s testing for

A

Impingement
“Neer to the Ear” passively flex pt’s shoulder
Hawkins passively int. rot and abduct

17
Q

What does a postive cross body adduction show

A

AC joint pathology

18
Q

What do speed’s and yergason’s tests test for

A

Long head of the biceps pathology