The Shoulder Girdle Flashcards
The Shoulder/Pectoral Girdle is made up of a double set of what?
Two bones
What are the names of the two bones that make up the Shoulder/Pectoral Girdle?
Clavicle
Scapula
What is the name of the joint between the Clavicle and acromion process of the Scapula?
Acromioclavicular Joint
What type of joint is the joint between the Clavicle and Scapula?
Gliding Synovial Joint
What is the name of the joint between the Clavicle and the Sternum?
Sternoclavicular Joint
What type of joint is the joint between the Clavicle and the Sternum?
Synovial Double Gliding Joint which has characteristics of both a gliding and saddle joint with a cartilaginous disc to absorb stress
Which ribs does the Scapula partially cover?
1-7
What is the raised ridge on the posterior of the Scapula called?
Spine of the Scapula
What is the name of the cavity, laterally at the top of the Scapula, which forms a socket for the Humerus?
Glenoid Cavity
What movements are possible at the Shoulder Joint?
Flexion Extension Abduction Adduction Circumduction Horizontal flexion Horizontal extension Medial rotation Lateral rotation
What bones make up the Shoulder/Glenohumeral Joint?
Humerus and Scapula
Why is the shoulder joint less stable than the hip?
Because the cavity in the shoulder joint is shallower and so doesnt encapsulate the ball
Which muscles is it important to train to promote shoulder stability?
Rotator Cuff
