intro to week 2

clavicle acromial end (thin end)

connects to acromion of the scapula

clavicle sternal end (flat end)

sternum

which joint has the greatest freedom of movement in the body

Ball and socket joint

ball and socket joint

mobility at expense of stability

superior glenohumeral ligament

attaches near the upper surface of the lesser tubercle of the humerus

Middle glenohumeral ligament

attaches on the lesser tubercle just inferior to the insertion of the subscapularis muscle

inferior glenohumeral ligament

decends to under surface of anatomical neck

coracohumeral ligament

arises from base of coracoid process and pass to the anatomical neck of the humerus, strengthens the capsule of joint, stabilizes joint when at is at side