Upper Limb – Gross Anatomy lecture 02

Axilla & Shoulder joint

Dr. Wimal Abeysekara MBBS(Cey), FRCS(Eng)

Consultant Surgeon, Senior lecturer (Visiting) in AnatomyFaculty of Medicine and Allied Sciences

Rajarata University of Sri Lanka.

Axilla

Boundaries of the axilla

Contents of the axilla

Contents of the axilla

1. Axillary vein

2. Axillary artery

3. Brachial plexusRelationship of brachial plexus to Axillary artery

Brachial plexus

Axillary lymph nodes

Lymph nodes of the right axilla and their pathway of drainage

SHOULDER JOINT

Articular surfaces of the shoulder joint

Articular capsule and ligaments of the shoulder joint

Rotator cuff

Rotator cuff muscles

Muscles acting on the shoulder joint

Movements of the shoulder joint

Rotation of scapula in abduction of arm

Shoulder dislocation

Axillary nerve injury in shoulder dislocation - Effects

Deltoid wasting

Weak abduction of arm

Loss of sensation over upper arm

Thank you