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AHPT 604 Exam 2 Questions And Correct Answers
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AHPT 604 Exam 2 Questions AndCorrect Answers
What bones make up the shoulder joint? - Answer clavicle, humerus and scapula
The shoulder is suspended or supported by which joint? - Answer Sternoclavicular joint
Joints of the shoulder complex are; - Answer Glenohumeral, acromioclavicular,
sternoclavicular and scapulothoracic
In the shoulder, what do we have more of and less of? - Answer More mobility, less
stability
What is the purpose of the highly mobile shoulder joint? - Answer Positioning the hand in
space
The shoulder is primarily suspended by which structure? - Answer Muscles
What are the three axes of movement for the shoulder joint? - Answer Frontal, Sagittal
and Transverse plane
The GH joint is what type of joint? - Answer Synovial ball and socket, triaxial joint
The sternoclavicular joint is formed by what two articulations? - Answer The proximal
end of the clavicle and the clavicular notch of the manubrium. There is a small part
associated with the first costal cartilage.
What type of joint is the sternoclavicular joint? - Answer Synovial saddle joint but often
classified as a synovial plane joint.
The surfaces of the sternoclavicular joint are; - Answer Very incongruent
The articular cavity for the sternoclavicular joint is separated into two compartments by
an; - Answer Articular disc
The sternoclavicular joint allows movement of the clavicle in the; - Answer
Anteroposterior and vertical planes and some rotation
The SC joint gives; - Answer Three rotary and three translatory degrees of freedom.
At the SC joint, during elevation and depression; - Answer The upper attachment of the
articular disc serves as a pivot point.
At the SC joint, during protraction and retraction; - Answer The lower attachment of the
articular disc serves as a pivot.
The SC joint is surrounded by, - Answer A joint capsule and reinforced by four
, ligaments.
What are the four ligaments of the SC joint? - Answer Anterior and posterior SC
ligament, Interclavicular ligament and Costoclavicular ligament.
The interclavicular ligament links; - Answer Clavicles to each other and to the superior
surface of the manubrium of sternum.
The costoclavicular ligament is positioned; - Answer Laterally to the joint and links the
proximal end of the clavicle to the first rib and related costal cartilage.
Elevation of the clavicle occurs as its ________, articular surface rolls _______ and
simultaneously slides ________ on the _________ of the sternum. - Answer Convex,
superiorly, inferiorly, concave
Depression of the clavicle occurs as its _______, articular surface rolls _______ and
simultaneously slides ______ on the ________ of the sternum. - Answer Convex, inferiorly,
superiorly, concave
Retraction of the clavicle occurs as the ________, articular surface of the clavicle rolls
and slides ______ on the ______ surface of the sternum. - Answer Concave, posteriorly,
convex
Protraction of the clavicle occurs as the ________, articular surface of the clavicle rolls
and slides ______ on the ______ surface of the sternum. - Answer Concave, anteriorly,
convex
What type of joint is the acromioclavicular joint? - Answer Synovial plane joint
What are the articulations of the AC joint? - Answer Lateral end of the clavicle and the
acromion of the scapula
What is the position of the AC joint? - Answer Faces medially and slightly superior
What movements are allowed by the AC joint? - Answer Upward and downward rotation
(Vertical planes), rotational adjustment motions (horizontal and sagittal planes)
What are the tissues that stabilize the AC joint? - Answer Superior and inferior AC joint
ligaments, coracoclavicular ligament, articular disc (when present), deltoid and upper
trapezius.
The coracoclavicular ligaments provides; - Answer important extrinsic source of
stability to the AC joint (Trapezoid and conoid ligaments)
The trapezoid ligament - Answer Extends in a superior-lateral direction from the
superior surface of the coracoid process to the trapezoid line on the clavicle.
The conoid ligament - Answer Extends almost vertically from the proximal base of the
coracoid process to the conoid tubercle of the clavicle.
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