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33 Cards in this Set
- Front
- Back
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What are the medial borders of the axilla?
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Serratus anterior and ribcage
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What are the superior borders of the axilla?
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1. Outer border of the first rib 2. Superior border of the scapula 3. Posterior border of the clavicle
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What are the anterior borders of the axilla?
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1. Pectoralis major 2. Pectoralis minor 3. Subclavius
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What are the posterior borders of the axilla?
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1. Subscapularis above 2. Teres major and latissimus below
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What are the inferior borders of the axilla?
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Visible surface of the armpit
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What are the lateral borders of the axilla?
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1. Intertubercular sulcus
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What is the location of the Pectoralis Major?
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Anterior chest
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What is the function of the Pectoralis Major?
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1. Flexion of humerus (Clavicular head) 2. Adduct the humerus (sternocostal head) 3. Medial rotation of the humerus (sternocostal head)
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What is the origin of the Pectoralis Major Clavicuclar head?
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Anterior medial clavicle
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What is the origin of the Pectoralis Major Sternocostal?
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1. Anterior sternum 2. Superior six costal cartilages 3. Aponeurosis of external oblique
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What is the insertion of the Pectoralis Major?
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Lateral lip of bicipital groove of the humerus
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What is the nerve supply of the Pectoralis Major Clavicuclar head?
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Lat + med pectoral nerve (C5-C6)
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What is the nerve supply of the Pectoralis Major Sternocostal head?
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Lat + med pectoral nerve (C7-T1)
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What is the location of the Pectoralis Minor?
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Anterior chest posterior to pectoralis major
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What is the function of the Pectoralis Minor?
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Depresses point of shoulder to draw scapula inferiorly (towards thorax)
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What is the origin of the Pectoralis Minor?
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Third to fifth ribs, near costal cartilages
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What is the insertion of the Pectoralis Minor?
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Medial border and superior surface of the coracoid process of the scapula
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What is the nerve supply of the Pectoralis Minor?
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Medial Pectora Nerve (C8, T1)
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What is the location of the Anterior Deltoid?
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It is the rounded contour of the shoulder.
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What is the function of Anterior Deltoid?
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Arm abduction along frontal plane
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What is the origin of Anterior Deltoid?
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1. Anterior border and upper surface of lateral third of clavicle 2. Acromion 3. Spine of scapula
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What is the insertion of Anterior Deltoid?
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Deltoid tuberosity of humerus
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What is the nerve supply of Anterior Deltoid?
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Axillary Nerve (C5-6)
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What is the location of the Subclavius?
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Between the Scapula and first rib
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What is the function of the Subclavius?
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Depresses the shoulder drawing it down and forward
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What is the origin of the Subclavius?
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First rib and cartilage
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What is the insertion of the Subclavius?
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Subclavian groove of clavicle
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What is the nerve supply of the Subclavius?
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Subclavian nerve (C5-C6)
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What is the location of the Serratus Anterior?
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Side of chest at level of ribs 1-8
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What is the function of the Serratus Anterior?
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Pulls the scapula anteriorly around the thorax to antevert the arm
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What is the origin of the Serratus Anterior?
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Anterior surfaces of first 8 or 9 ribs
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What is the insertion of the Serratus Anterior?
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Costal aspect of medial margin of scapula
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What is the nerve supply of the Serratus Anterior?
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Long thoracic nerve (C5-C7) |
