Podcast
Questions and Answers
What type of joint is the shoulder joint?
What type of joint is the shoulder joint?
- Synovial hinge joint
- Fibrous joint
- Cartilaginous joint
- Synovial ball-and-socket joint (correct)
Which two bones articulate to form the shoulder joint?
Which two bones articulate to form the shoulder joint?
- Humerus and radius
- Scapula and humerus (correct)
- Humerus and clavicle
- Scapula and sternum
What makes the glenoid fossa deeper in the shoulder joint?
What makes the glenoid fossa deeper in the shoulder joint?
- Subscapular artery
- Glenoid labrum (correct)
- Tendon of the biceps brachii
- Axillary nerve
Which muscle's tendon is continuous with the glenoid labrum above?
Which muscle's tendon is continuous with the glenoid labrum above?
What is the significance of a subacromial space less than 6 mm in middle age?
What is the significance of a subacromial space less than 6 mm in middle age?
Flashcards
Shoulder joint type
Shoulder joint type
A synovial ball-and-socket joint
Shoulder joint bones
Shoulder joint bones
Scapula and humerus
Glenoid labrum depth
Glenoid labrum depth
Increases glenoid fossa depth.
Biceps tendon & labrum
Biceps tendon & labrum
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Narrow subacromial space
Narrow subacromial space
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Study Notes
Shoulder Joint
- The shoulder joint is a ball-and-socket joint.
Formation of the Shoulder Joint
- The shoulder joint is formed by the articulation of two bones: the humerus (upper arm bone) and the scapula (shoulder blade).
Glenoid Fossa
- The glenoid fossa is made deeper by the presence of the glenoid labrum, a ring of cartilage that surrounds the fossa.
Glenoid Labrum and Associated Muscles
- The tendon of the long head of the biceps brachii muscle is continuous with the glenoid labrum above.
Subacromial Space
- A subacromial space less than 6 mm in middle age can be a sign of rotator cuff disease or tendinopathy.
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