Term
| The sternum articulates with the clavicle and what ribs? |
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Definition
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Term
| What prevents superior dislocation of the humerus? |
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Definition
| The acromion of the scapula and the coracoacromial ligament |
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Term
| The humerus articulates with the scapula where? |
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Definition
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Term
| What makes up the anterior wall of the axilla? |
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Definition
Mammary gland
Pectoralis Major
Pectoralis minor and Subclavius |
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Term
| What makes up the posterior wall of the axilla? |
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Definition
Scapula
Subscapularis
Teres Major
Latissimus Dorsi |
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Term
| What makes up the medial border of the axilla? |
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Definition
Ribs 2-6
Serratus Anterior |
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Term
| What makes up the lateral wall of the axilla? |
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Definition
Bicipital groove of the humerus
Tendon of the long head of the biceps brachii |
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Term
| The apex of the axilla is a triangular space bounded by what? |
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Definition
Clavicle
Upper border of the scapula
Rib 1 |
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Term
| Pectoralis major orginates where? |
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Definition
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Term
| Where does pectoralis major insert? |
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Definition
| Bicipital groove of the humerus |
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Term
| What nerve innervates pectoralis major? |
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Definition
Medial pectoral nerve (C8-T1)
Lateral pectoral nerve (C5-C7) |
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Term
| What is the function of pectoralis major? |
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Definition
| Adducts, medially rotates, and flexes the arm |
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Term
| Where does pectoralis minor oringinate? |
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Definition
| Ribs 3-5 (sometimes ribs 2 & 6) |
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Term
| Where is the insertion of pectoralis minor? |
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Definition
| Coracoid process of the scapula |
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Term
| What nerve innervates pectoralis minor? |
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Definition
| Medial pectoral nerve (C8-T1) |
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Term
| What is the function of pectoralis minor? |
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Definition
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Term
| What makes up the deltopectoral triangle? |
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Definition
Pectoralis Major
Deltoid
Clavicle |
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Term
| What makes up the medial triangular space? |
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Definition
Teres Minor
Teres Major
Long head of triceps brachii |
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Term
| What makes up lateral quadrangular space? |
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Definition
Surgical neck of the humerus
Subscapularis
Teres Major
Long head of triceps |
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