Lecture 3.3 Flashcards
there are three synovial joints of the shoulder
two physiological joints
(no ligaments, capsules etc…)
- steroclavicular
- acronioclavicular
- glenohumeral
Physiological:
- Sub deltoid
- scapulothoracic
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 ____________ _________
Costoclavicular ligament
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
true
An impact to the front if the body can lead to
sternoclavicular sublaxation
True or False
In the AC joint, the coronoid ligament lies more vertically than the Trapezoid ligament
true
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?
Glenoid Labrum
extra stability, deepens socket
true or false
The tendon of the long head of the bicrps starts within the GH capsule?
true
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
Caracoumeral
glenohumeral (superior, middle, inferior)
