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Transcript 
Shoulder region
•
•
•
•
Bones
Joints
Muscles
Vessels & Nerves
Axilla = Armpit
• Region between arm and chest
• Boundaries
– Ant. = pectoral muscles
– Post. = latissimus dorsi, teres major
subscapularis
– Medial = serratus ant.
– Lateral = humerus
• Contents
– Axillary nerves and blood vessels
– Axillary lymph nodes
Superior thoracic aperture
Scalene muscles
Meaning: uneven
Anterior & middle scalenes
Greek basilikos = royal (king-sized)
Latin jugulum = neck
Latin jugulum = neck
(dorsal scapular artery)
"Army over Navy"
1. Superior thoracic:
anterior axillary wall
2. Thoraco-acromial:
1. pectoral 2. deltoid,
3. clavicular 4. acromial
3. Lateral thoracic:
anterior wall and breast
4. Subscapular:
1. circumflex scapular
2. thoracodorsal artery
posterior and medial walls
5. anterior circumflex humeral:
glenohumeral area
6. posterior circumflex :
glenohumeral area
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