Shoulder joint Flashcards
What are the articular surfaces covered with
Hyaline cartilage
What deepens the glenoid fossa
Glenoid labrum
What increases stability of shoulder joint
Rotator cuff muscles, deltoid, long head of biceps brachii, long head of triceps brachii, Ligaments, Joint capsule
Where is the subacromial bursa
Inferior to deltoid and acromion
Superior to supraspinatus tendon and joint capsule
What movements does subacromial bursa facilitate
Supraspinatus tendon under coracoacromial arch,
Deltoid muscle over capsule and greater tubercle of humerus
Where is the subscapular bursa
Between subscapularis tendon and scapula
What movement does the subscapular bursa facilitate
Subscapularis tendon over scapula
Where is the coracoacromial ligament
Between acromion and coracoid process
Where is coracohumeral ligament
Attaches base of coracoid process to greater tubercle
Where is transverse humeral ligament
Attaches the tubercles of humerus
It holds the long head biceps tendon in Intertubercular groove during shoulder movement
Where are the superior, middle and inferior glenohumeral ligaments
Between glenoid labrum and humerus
What makes the coracoacromial arch
Coracoacromial ligament, acromion and coracoid process
What does the CAA prevent
Superior displacement of humeral head
Articulating surfaces at shoulder joint
Glenoid cavity of scapula
Head of humerus
How big is the gap between acromion and humerus head
1-1.5cm
