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PT 5131 (30)
L Day (25)

Axillary Region and Lymphatics.docx

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Physical Therapy
PT 5131
L Day

Axillary Region and Lymphatics Axillary Boundaries • Axilla: armpit region o Pyramidal space o Borders: st  Apex: between 1 rib, clavicle, and Superior Edge of Subscapularis  Base: skin and fascia of Armpit  Anterior Wall: Pectoralis Major/Minor, Clavipectoral Fascia • Anterior Axillary Fold: Pectoralis Major  Posterior Wall: anterior surface of Scapula, Subscapularis, Teres Major, and Latissimus Dorsi • Posterior Axillary Fold: Teres Major and Latissimus Dorsi  Medial Wall: Serratus Anterior and Thoracic Ribcage  Lateral Wall: Intertubercular Groove of Humerus Axillary Contents • Axillary Sheath contains o Axillary Artery o Axillary Vein o Cords of Brachial Plexus  Posterior  Medial  Lateral • Axillary Lymph Nodes: sit just outside of Axillary Sheath Lymphatic Drainage • Lymph drains through series of small lymphatic vessels, which are relatively superficial o Lymphatic vessels ultimately drain into lymph nodes • Cubital Lymph Nodes: located anterior to medial epicondyle • Axillary Lymph Nodes: where all lymph, excluding Cubital Lymph Nodes, drains into o Made up of 5 sets of lymph nodes o “Pyramid of the Axilla”  Pectoral Nodes: base of pyramid  Humeral Nodes: base of pyramid  Subscapular Nodes: base of pyramid  Central Nodes: middle of pyramid  Apical Lymph Nodes: apex
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