L7 Shoulder Trauma

Question 1

What type of injury?

Answer 1

Acromio-Clavicular Sprain

Rockwood I

Question 2

What type of injury?

Answer 2

Acromioclavicular Ligament Disruption w/ widening

Rockwood II

Question 3

What type of injury?

Answer 3

Acromioclavicular and coracoclavicular ligament Disruption w/ Scapula/Acromion displaced inferiorly from clavicle

Rockwood III

Question 4

What type of injury?

Answer 4

Acromioclavicular and coracoclavicular ligament Disruption w/ Scapula/Acromion displaced posteriorly from clavicle

Rockwood IV

Question 5

What type of injury?

Answer 5

Acromioclavicular and coracoclavicular ligament Disruption w/ interspace 1-3x normal.

Detachment of trapezius/deltoid from the clavicle

Rockwood V

Question 6

What type of injury?

Answer 6

Acromioclavicular and coracoclavicular ligament Disruption and Detachment of trapezius/deltoid from the clavicle.

Inferior dislocation of clavicle

Rockwood VI

Question 7

Adductors of the shoulder?

Answer 7

pectoralis major
teres major
latissimus dorsi

Question 8

Muscles at play in deformity of a fractured clavicle

Answer 8

Question 9

Rotator Cuff Muscles?

Answer 9

Subscapularis
Supraspinatus
Infraspinatus
Teres minor

Question 10

Muscles that externally rotate the shoulder?

Answer 10

Infraspinatus
Teres Minor

Question 11

Lesion to the head of the humerus during shoulder dislocation?

Answer 11

Hill-Sachs Lesion

Question 12

Lesion to the glenoid cavity during shoulder dislocation?

Answer 12

Bankart Lesion
(Bony Bankart Lesion)

Question 13

Answer 13

Question 14

Processes of restoring a dislocated shoulder?

Answer 14

Kocher’s Method: Massage and get muscles to relax while chatting with patient. External rotation => adduction => twist over (bring hand to contralateral shoulder)

Question 15

Causes/Signs of Posterior Shoulder Dislocation?

Answer 15

Causes:

• Epilepsy
• Electrocution
• Electroconvulsive Therapy

All muscles contract spontaneously =>Strong Internal rotators overpower weaker External rotators (Infraspinatus/Teres Minor)

Light Bulb Sign

Question 16

Larger Internal Rotators of the Shoulder?

Answer 16

Deltoid muscle.
Subscapularis.
Teres major
Latissimus dorsi
Pectoralis major

Overpower weaker External rotators (Infraspinatus/Teres Minor) in Posterior Shoulder dislocation

Question 17

Common Rotator Cuff Injury and test for it?

Answer 17

Impingement Syndrome

*Neer / Hawkins Kennedy Tests **

Lidocaine Injected into subacromonial bursa. After 2-3 minutes pain decreased significantly. Diagnostic + Therapeutic

Question 18

Test for Bicipital Tendonitis

Answer 18

Yergason’s Test (Doctor resists supination)

Question 19

Clinical Sign of Injury to the Supraspinatus?

Answer 19

“Painful Arc” 60 to 120 degrees

MUST be done while upright, if leaned over then the deltoid will take over. supraspinatus needed for the first 15 degrees of adduction

Question 20

Test for Supraspinatus Injury?

Answer 20

Drop Arm Test

Question 21

Test for Supraspinatus Weakness?

Answer 21

Empty can test (Jobe’s Test) - Abduction

Question 22

Test for Subscapularis?

Answer 22

Gerber Lift off test

Napolean Belly press sign

Question 23

A common injury for baseball players leading to chronic pain and clicking sound in the shoulder?

Answer 23

SLAP lesion- Superior labral tear from anterior to posterior

Question 24

Test for SLAP injury?

Answer 24

Question 25

Imaging for Glenoid Labral Tear?

Answer 25

Question 26

What muscle can often impinge the Suprascapular artery and nerve?

What actions cause this?

Answer 26

Common in volleyball players.

Due to Extreme external rotation and extension and forceful eccentric contraction of the Infraspinatus

Question 27

Test for Infraspinatus/Teres Minor?

Answer 27