there are three synovial joints of the shoulder
two physiological joints
(no ligaments, capsules etc...)
- Sub deltoid
The sternoclavicular joint connects the _____ limb with ______
it is a _____ joint
There are _ ligaments
The sternoclavicular joint connects the upper limg ith thorax
it is a saddle joint
There are 3 ligaments
What is protraction/retraction?
Intrinsic ligaments - connect the two bones that make up the joint
An example of an extrinisic ligament in the Sc joint is the ____________ _________
stops the upward projection of the clavicle
What suppies blood to the SC joint?
Internal thoracic and suprascapula artery
true or False
The subclavious nerve supplied inneravation to the SC joint
An impact to the front if the body can lead to
True or False
In the AC joint, the coronoid ligament lies more vertically than the Trapezoid ligament
The trapezoid ligament stops ____ , _________and __________of the clavicle
The trapezoid ligament stops rotation, protraction and retraction of the clavicle
The glenohumeral joint is a ______ ball and socket articulation between the head of the humerus and the ______ cavity of the scapula
The glenohumeral joint is a synovial ball and socket articulation between the head of the humerus and the glenoid cavity of the scapula
The fibrocartiagenous ring surround the GH joint?
extra stability, deepens socket
true or false
The tendon of the long head of the bicrps starts within the GH capsule?
what are the main sources of blood supply for the GH joint?
Circumflex humeral arteries
What is the nerve suply for GH joint?
suprascaupula, axillary and lateral pectoral
The intrinsic ligaments of the GH joint are
glenohumeral (superior, middle, inferior)
What is the definition of maximal stability of a joint?
The point where the articular sufaces make the most contact
terres major acts in _______ of shoulder
The subarcomial bursae...
The glenohumeral rhythm is ..
Scapula and humerus 1:2 ratio as you abduct
Typically rotator cuff muscle injuries are universal - they effect each other
Which tendon can be inpinged to due lack of blood supply, and being deep in the coraco-acromial arch?
Dislocation of the GH joint is mostly commonly...