GH Joint

Question 0

Structural and Functional Class. of G.H. jt

Answer 0

S = Synovial - multiaxial - ball & socket
F = Diarthrotic

Question 1

Degrees of mvmt

Answer 1

Flex - 180
Ext - 45
ABd - 180
ADd - 45
Med rt - 70
Lat rt - 90
Horizontal ADd - 45
H. ABd - 100

*Circumduct is a combo of all of these

Question 2

GH Close Pack Position

Answer 2

Full elelvation- max ABduction/ext rt

Question 3

GH Resting Position

Answer 3

55 - 70 ABduct
30 ADduct
Neutral rt

Question 4

GH Capsular Pattern

Answer 4

External rt > ABduction > Internal rt

Question 5

GH associated Ligaments

Answer 5

1. Glenohumeral
2. Coracohumeral
3. Transverse Humeral

Accessory = Coracoacromial

Question 6

Capsular Strenth

Answer 6

Weak

Supported by the ligaments of the mm of rotator cuff:

• Supraspinatus
• Infraspinatus
• Terres Minor

Question 7

Name the fibrocartilage btw the Humeral Head and Glenoid Fossa

Answer 7

Glenoid Labrum

Question 8

Which Surface of the GH jt is Convex?

Answer 8

Head of Humerus

Question 9

GH associated nerves (3)

Answer 9

Axillary
Lateral Pectoral
Suprascap

Question 10

GH Associated mm

Answer 10

Lat
coracobrachialis
deltoids
Biceps brachii
Terres Major
Triceps (long head)

Question 11

What is the most common pathology of the GH jt?

Answer 11

Anterior dislocation

Question 12

List 3 Pathologies of GH joint

Answer 12

1. Ant. dislocation - lig laxity + damaged Glenoid labrum
2. Rotator Cuff - Supraspinatus tendon injury from ballistic circumduction, can cause tendon calcification & bursitis
3. Adhesive Capsulitis - same Sx as above

Question 13

Blood innervation of GH

Answer 13

Axillary & Subclalvian arteries

Question 14

Bursae of GH jt (4) “sub”

Answer 14

1. Subscapularis
2. Subdeltoid
3. Subacromial
4. Subcoracoid