Bontrager- Chapter 5 Test Questions With Correct Answer

Bontrager- Chapter 5 Test Questions With Correct Answers largest, longest bone of upper limb - ANSWER- humerus the proximal humerus articulates with - ANSWER- scapula most proximal part of the humerus - ANSWER- head anatomic neck - ANSWER- narrow constriction superior to the tubercles lesser tubercle - ANSWER- anterior surface greater tubercle - ANSWER- lateral surface groove between the greater and lesser tubercles - ANSWER- intertubercular sulcus surgical neck - ANSWER- The neck of the humerus that is prone to fractures. deltoid tuberosity - ANSWER- raised area on lateral surface of humerus to which deltoid muscle attaches neutral position of the arm places the humerus in what position? - ANSWER- oblique external rotation of the arm places the humerus in? - ANSWER- true AP frontal position internal rotation of the arm places the humerus in? - ANSWER- true lateral position parts of the shoulder griddle - ANSWER- clavicle and scapula function of clavicle and scapula - ANSWER- connect each upper limb to the trunk or axial skeleton Anteriorly, the shoulder griddle connects to the truck at? - ANSWER- the upper sternum Posteriorly, the shoulder griddle connects to the trunk at? - ANSWER- incomplete, because the scapula are only attached to muscles level of upper margin of scapula - ANSWER- second posterior rib (T2) level of lower margin of scapula - ANSWER- seventh posterior rib (T7) acromial (lateral) extremity of the clavicle articulates with..... - ANSWER- acromion of scapula (duh) acromioclavicular joint - ANSWER- the joint where the acromion and the clavicle meet the sternal (medial) extremity of the clavicle articulates with.... - ANSWER- manubrium (upper part of sternum) sternoclavicular joint - ANSWER- Articulation between the clavicle and the sternum jugular notch - ANSWER- concave upper border of the manubrium are the clavicles shorter and less curved in males or females? - ANSWER- females medical term for armpit - ANSWER- axilla medial boarder of scapula - ANSWER- vertebral boarder superior boarder of scapula - ANSWERlateral boarder of scapula - ANSWER- axially boarder lateral angle of scapula - ANSWER- called head of the scapula, the thickest part ends laterally in glenoid fossa Scapulohumeral joint - ANSWER- shoulder joint neck of scapula - ANSWER- constricted region around the glenoid cavity costal surface of scapula - ANSWER- anterior surface spine of scapula - ANSWERjoints of the shoulder griddle - ANSWER- sternoclaviculkar (ball & socket) acromioclavicular (plane) scapulohumeral (plane) ALL synovial/diarthrodial AP Humerus Projection - ANSWER- -Shoulder placed in external rotation -Epicondyles will be parallel to the IR -Hands supinated -Center to mid-humerus Lateromedial Humerus Projection - ANSWER- -Back to IR -internal rotation -epicondyles perpendicular to IR -Center to mid-humerus Mediolateral Humerus Projection - ANSWER- -Patient facing IR -oblique as needed (20-30 from PA) -flex elbow 90 degrees -Center to mid-humerus what projection is done for fractures of the diaphysis of the humerus? - ANSWERtransthoracic lateral projection: Humerus (trauma) Lawrence Method (nontrauma) - ANSWER- inferosuperior axial projection-shoulder -Patient supine -Arm abducted 90 degrees, external rotation -CR 25-30 medially into axilla (humeral head -done to see head of humerus and scapulohumeral cavity Hill-Sachs defect - ANSWER- Compression fracture of the articular surface of the humeral head what position is done to see the the scapulohumeral joint space? - ANSWER- Grashey Method -checking for bankart lesions, erosion of the glenoid rim, integerity of joint. How should you angle the CR for an AP axial of the clavicle? - ANSWER- 15-30 cephalic what angle will asthenic patients need for an AP axial of the clavicle? - ANSWER- 25-30 cephalic what angle will hypersthenic patients need for an AP axial of the clavicle? - ANSWER15-20 cephalic why is the Pearson method done? - ANSWER- possible AC joint separation -Center midpoint to AC joints AC joint rules - ANSWER- always 72 inches always bilateral always w and w/o weights minimum weight to be used for Pearson method? - ANSWER- 8-10 lbs why cant the patient hold the weights for AP AC joint projection? - ANSWER- patients tend to pull on the weights which results in contraction instead of relaxation of the shoulder muscle. False-negative radiograph AP Scapula - ANSWER- -Arm abducted 90 degrees -Hand supinated (Abduction moves scapula laterally to clear more thoracic structures) -Center 2 inches inferior to coracoid (level of axilla) what lateral position best demonstrates the scapula body? - ANSWER- 45 degrees LAO/RAO scapula what lateral position best demonstrates coracoid and acromion process? - ANSWER60 degrees LAO/RAO scapula 3