Lecture 20

Question 1

What is the name for shoulder joint?

Answer 1

Glenohumeral joint

-between humerus and glenoid fossa of the scapula

Question 2

What does circumducted mean?

Answer 2

combination of all other movements

Question 3

What separates the greater and lesser tubercles?

Answer 3

intertubercular groove

Question 4

What is the surgical neck of the humerus?

Answer 4

Upper end of the shaft of the bone
upper end the shaft of the bone
below tubercles
-Common site of fracture

Question 5

What is the direction of the glenoid fossa in the anatomical position?

Answer 5

Anterolateral

-humeral head is larger than the glenoid fossa

Question 6

How effective is the glenoid labrum?

Answer 6

fibrocartilagenous glenoid labrum

surrounds the fossa does little to improve the stability of the joint

Question 7

Where does the fibrous capsule of the shoulder joint extend to?

Answer 7

scapula –> around margins of labrum –> anatomical neck of humerus
attached to surgical neck 1cm below articular margin
-Lax under joint to allow ABDuction of arm

Question 8

Where is the fibrous capsule of the shoulder joint attached to the surgical neck?

Answer 8

1cm below articular margin