7E. Pectoral Girdle and Upper Arm: Other Accessory Joint Structures

Flashcards covering key terms and concepts regarding the accessory structures of the pectoral girdle and upper arm.

Glenoid labrum

A fibrocartilaginous rim associated with the glenoid cavity of the scapula that helps stabilize the shoulder joint.

Subacromial bursa

A fluid-filled sac located beneath the acromion that reduces friction between the rotator cuff and the acromion.

Subacromial bursitis

An inflammation of the subacromial bursa that presents with shoulder pain, especially during overhead movements.

Accessory joint structures

Additional structures in a joint that help with stability and mobility, such as the glenoid labrum and bursae.

Anterior view of glenoid labrum

A perspective showing the front side of the glenoid labrum with the joint capsule removed.

Subacromial bursa anterior view

A visualization of the subacromial bursa from the front, showing its relationship to surrounding structures.

Subacromial bursa posterior view

A visualization of the subacromial bursa from the back, important for understanding its position regarding the scapula.