Joints of the Pectoral Girdle Flashcards
what are the 3 joints of the pectoral girdle?
1) Sternoclavicular joint
2) Coracolavicular Joint
3) Acromioclavicular Joint
what is the articulation for the sternoclavicular joint
articulation between the clavicular notch of the sternum and medial end of clavicle
what type of joint (and shape) is the sternoclavicular joint
synovial, plane joint
what does the sternoclavicular joint have to improve fit and absorb forces?
articular disc
what are the 3 ligaments (muscle) of the sternoclavicular joint?
1) sternoclavicular ligament
2) costoclavicular ligament
3) Subclavius (muscle)
what are the articulations of the coracoclavicular joint
articulation between coracoid process (scapula) and clavicle
what kind of joint is the coracoclavicular joint
fibrous joint
what does the coracoclavicular joint ensure
that the clavicle and scapula move together as a unit
what is the ligament at the coracoclavicular joint?
coracoclavicular ligament
what is the articulation at the acomioclavicular joint
articulation between accordion process and lateral end of clavicle
what type of joint and what shape is the acromioclavicular joint?
synovial, plane joint
what ligament is at the acromioclavicular joint?
acromioclavicular ligament