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37 Cards in this Set
- Front
- Back
- 3rd side (hint)
what 2 bones does the shoulder girdle consist of
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clavicle and scapula
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connects each upper limb to the trunk or axial skeleton
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clavicle and scapula
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long bone work double curvature has three main parts two end and a long center portion
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clavicle
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articulates with the acromion of the scapula
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acromial extremity lateral end
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the joint that connects the acromial extremity and acromion is called
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acromioclavicular joint
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articulates with the manubrium which is the upper part of the sternum
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sternal extremity medial end
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the joint that connects the sternal extremity and the manubrium is
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sternoclavicular joint
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elongated portion between the two ends
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body
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forms the posterior part of the shoulder girdle, flat triangular bone with three borders three angles and two surfaces, shoulder blade
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scapula
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vertebral border, long edge or border near the vertebrae
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medical border
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upper most margin of the scapula
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superior border
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axillary border, border nearest the axilla (armpit)
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lateral border
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three corners of the triangular scapula are called
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angles
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head of scapula, thickest part and ends laterally in a shallow depression called the glenoid cavity
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lateral angle
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the humeral head articulates with the gleoid cavity of the scapula to form
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scapulohumeral joint or glenohumeral joint
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upper angle of scapula
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superior angle
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lower angle of scapula
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inferior angle
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arched for greater strength
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body
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thin flat lower part of the body also called
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blade, wing, ala
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long curved process that extend laterally over the head of the humerus
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acromion
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thick beak like process that projects anteriorly beneath the clavicle
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coracoid process
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posterior border or ridge of the spine is thickened at the
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crest of the spine
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the spine of scapula separates the posterior surface into two fossa
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the infraspinous and the supraspinous fossa
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inferosuperior projection (axiolateral)
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lateral view of head and neck of humerus, demonstrates the relationship of the humerus to the glenoid cavity which makes up the scapulohumeral joint
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what are the three joints involved in the shoulder girdle
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sternoclavicular, acromioclavicular, scapulohumeral joint
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the three shoulder joints are classified as _____ and are characterized by a fibrous capsule that contain synovial fluid
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synovial joints
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joint that articulated with head of humerus and glenoid cavity of scapula
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scapulohumeral joint
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scapulohumeral movement type
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spheroidal, ball and socket
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movements include from joint flection, extension, abduction, adduction, circumduction, and medial and lateral rotation
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scapulohumeral joint
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articulates with the manubrium or upper portion of the sternum and the cartilage of the first rib
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sternoclavicular joint
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sternoclavicular joint has what type of movement
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double plane or gliding joint, limited amount of gliding joint in all directions
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acromial end of the clavicle and the medical aspect of the acromion of the scapula
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acromioclavicular joint
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what type of movement does the acromioclavicular joint have
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plane or gliding movement
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gliding action between the end of the clavicle and the acromion
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primary movement
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gliding action between the end of the clavicle and the acromion
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primary movement
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movement also occurs as move forward and backward with the clavicle
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secondary movement allows the scapula to remain close to posterior chest wall
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dislocation of the humeral head may result in compression fracture of the articular surface of the humeral head this is called
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hills-sachs defect, demonstrated by external rotation, thumb pointed downward
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