Glenohumoral Joint Flashcards
What type of joint is the glenohumoral joint?
Synovial, ball and socket
What are the articular surfaces of the glenohumoral joint?
Head of humerus with the shallow glenoid cavity and glanoid labrum
Name the four broad ligaments of the glenohumoral joint.
- Glenohumoral ligaments
- Coracohumoral ligament
- Transverse humeral ligament
- Coracoacromial ligament
What are the three glenohumoral ligaments?
Superior, middle, and inferior glenohumoral ligaments
What is the role of the coracoacromial ligament?
Prevents abduction of shoulder further than 90 degrees
What is the role of the transverse humeral ligament?
To hold the tendon of the long head of biceps brachii in place.
What are the three main bursae of the glenohumoral joint?
- Subacromial bursa
- Subscapular bursa
- Subdeltoid bursa
Which two bursae are generally fused in the glenohumoral joint?
Subacromial and subdeltoid bursae
What is the name of the recess in the glenohumoral joint?
Axillary recess
What are the movements of the glenohumoral joint?
- Flexion/extension
- Abduction/adduction
- Medial/lateral rotation
- Circumduction
What are the boundaries of the joint capsule?
Anatomical neck of humerus neck of scapula
