Joints Flashcards
1
Q
Acromioclavicular Joint
A
Plane Synovial
Lateral end of clavicle and acromion of Scapula
Intrinsic- Acromion to clavicle
Acromioclavicular ligament
Extrinisic-coracoid process to clavicle- coracoclavicular ligament
Conoid Ligament
Trapezoid ligament
2
Q
sternoclavicular joint
A
- Synovial Saddle Joint- Mobility- 2 axes
- sternal end of the clavicle, the manubrium of the sternum, and part of the 1st costal cartilage
- articular surfaces are covered with fibrocartilage
- Fibrocartilagenous Articular disc- allow rotation and movement in a 3rd axis
- Strong Joint capsule- fibrous outer layer, inner synovial membrane
- Strong Ligaments
- Sternoclavicular ligaments
- Interclavicular ligament
- Costoclavicular ligament
- Sup. -Posterior borders of clavicle
- Inf.- 1st rib + cartilage
3
Q
Shoulder Joint
A
Ball and socket synovial
fibrous joint capsule
Synovial membrane
Ant- Glenohumeral- sup.mid, inf
Sup.-Coracohumeral, Coracoacromial
Transverse humeral holds the tendon of the biceps in the ITG
4
Q
Shoulder Joint dislocation
A
Anterior dislocation
caused by
