Functional Anatomy of the Shoulder: Part 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
The shoulder complex comprises how many major joints?
What does SC stand for?
What does AC stand for?
Full range of motion at the GH joint is dependent on what?
Movement occurring at the other 3 joints
Which joint is considered a pseudo articulation?
List the 5 movements that occur at the SC joint
Elevation, Depression, Protraction, Retraction, Rotation
What are the primary motions of the AC joint?
Upward rotation, Downward rotation
All movements that occur between the scapula and thorax are a result of?
The cooperation between the SC and AC joints
What are the three posterior muscles that stabilise the ST joint?
Trapezius, Rhomboids, Levator Scapulae
What type of joint is the GH joint?
Multiaxial ball and socket
What is gained at the GH joint at the expense of stability?
What is the first reason the GH joint is not fully congruent?
The head of the humerus articulates with the shallow glenoid fossa of the scapula