Shoulder Anatomy Review

Question 1

Bones of the shoulder joint

Answer 1

Humerus
Scapula: Acromion, coracoid, glenoid fossa
Clavicle

Question 2

Joints of the shoulder

Answer 2

Sternoclavicular
Acromioclavicular
Glenohumeral
Scapulothoracic

Question 3

What is the most commonly injured rotator cuff muscle

Answer 3

Supraspinatus

Question 4

What is the purpose of the rotator cuff

Answer 4

centers humeral head in glenoid

humeral head depressor

Question 5

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

Answer 5

Radial nerve

Test this by doing wrist extension

Question 6

Muscles that perform flexion

Answer 6

supraspinatus, anterior deltoid

Question 7

Muscles that perform extension

Answer 7

infraspinatus, teres minor, post deltoid

Question 8

muscles that perform abduction

Answer 8

supraspinatus, deltoid

Question 9

muscles that perform adduction and internal rotation

Answer 9

subscapularis

Question 10

muscles that perform ext rotation

Answer 10

teres minor, infraspinatus

Question 11

Difference between active and passive ROM

Answer 11

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

Question 12

How to do strength test for supraspinatus

Answer 12

Empty can

Question 13

How to do strength test for infraspinatus

Answer 13

ext. rotation at the side with Lag time

Question 14

How to do strength test for teres minor

Answer 14

ext rot at 90 degrees abduction

Question 15

How to do strength test for subscapularis

Answer 15

lift off or belly press

Question 16

What is Neer’s and Hawkin’s testing for

Answer 16

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

Question 17

What does a postive cross body adduction show

Answer 17

AC joint pathology

Question 18

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

Answer 18

Long head of the biceps pathology