Ch8 Le4

Examples of Synovial Joints

Shoulder, Elbow, Hip, Knee

Shoulder Joint Ball-and-socket

(however socket is shallow)

Joint capsule Circumference of

glenoid cavity-to-neck of humerus

Loose and unable to keep bones in close contact

Ligaments Coracohumeral Glenohumeral Transverse humeral

Shoulder Joint

Shoulder Joint - Capsule

QuickTime™ and aTIFF (Uncompressed) decompressor

are needed to see this picture.

Shoulder Joint - cross section

Shoulder Joint - ligaments

Shoulder Joint



Shoulder Joint

What ligament am I?

Coracohumeral Glenohumeral Transferse

humeral



Shoulder Joint

Glenoid Labrum Fibrocartilage rim around

glenoid cavity Thin free edge deepens the

cavity QuickTime™ and aTIFF (Uncompressed) decompressor


Shoulder Joint - labral tear



Shoulder Joint - Rotator cuff

The rotator cuff is an anatomical term given to the group of muscles and their tendons that act to stabilize the shoulder.



Shoulder Joint - Bursae


are needed to see this picture.QuickTime™ and a

TIFF (Uncompressed) decompressorare needed to see this picture.

Arthroscopic surgery



Elbow Joint

Joint Capsule Completely

encloses both articulations (hinge and gliding)

Elbow JointMedial epicondyle of humerus to medial margin of coronoid process of ulna

Lateral epicondyle of humerus to anular ligament of radius



Elbow movements

Flexion - extension Humerus to ulna

Pronation - supination of hand Radius rotating within anular ligament

Elbow Joint

2 articulations Hinge joint Gliding joint

Health & Medicine

Ch8 Le4