What is the Axilla?
The pyramidal space below the shoulder joint
What does the Axilla provide?
A passageway for vessels and nerves going to / from the upper limb
What shape (roughly) is the Axilla?
Pyramidal:
1 x Apex
1 x Base
4 x Walls
What forms the Anterior Wall of the Axilla?
- Pectoralis Major
- Pectoralis Minor
- Subclavius Muscles
What forms the Posterior Wall of the Axilla?
- Subscapularis Muscle
- Teres Major
- Latissimus Dorsi
What forms the Medial Wall of the Axilla?
- Serratus Anterior
2. Thoracic Wall
What forms the Lateral Wall of the Axilla?
- Intertubercular Groove of the Humerus
What structures are found in the Axilla?
- Axillary Artery (+ branches) and Vein (+ tribuaries)
- Brachial Plexus
- Axillary Lymph Nodes and Vessels
- Biceps Brachi
- Coracobrachialis
The Axillary Artery is a continuation of which Artery?
The Subclavian Artery
At what anatomical point does the Axillary Artery begin?
Lateral Border of the 1st Rib
The Axillary Artery continues beyond the Axilla as which Vessel?
The Brachial Artery
At what anatomical point does the Brachial Artery begin?
Inferior Border of Teres Major
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1.1.1. The Axilla12
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1.1.2. Nerve Supply to the Upper Limb17
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1.1.3. Vasculature of the Upper Limb30
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1.2.1 Dermatomes of the Upper Limb6
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1.2.2. Lymphatics of the Upper Limb32
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1.3.1. Pectoral (Shoulder) Girdle4
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1.3.2. The Clavicle19
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1.3.3. The Scapula34
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1.3.4. Scapular Movements and Muscles11
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1.4.1. Structure of the Glenohumeral Joint and Proximal Humerus28
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1.4.2. Ligaments of the Glenohumeral Joint17
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1.4.3. Glenohumeral Joint Capsule and Bursae18
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1.4.4. Intrinsic Muscles of the Shoulder and Joint Stability / Motility46
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1.4.5. Extrinsic Muscles of the Shoulder36
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1.4.6. Movement of the Glenohumeral Joint17
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2.1.1. The Humerus44
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2.1.2. Muscles of the Anterior (Flexor) Compartment of the Upper Arm43
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2.1.3. Muscles of the Posterior (Extensor) Compartment of the Upper Arm30
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2.2. The Cubital Fossa25
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2.3. The Elbow Joint29
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2.4. The Radio-Ulnar Joint27
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2.5. Interosseous Membrane9
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3.1.1. Superficial Muscles of the Anterior Forearm22
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3.1.2. Intermediate Musles of the Anterior Forearm14
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3.1.3. Deep Muscles of the Anterior Forearm32
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3.1.4. Brachioradialis Muscle11
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3.2.1. The Median Nerve37
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3.2.2. The Ulnar Nerve34
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3.3. Carpal Tunnel28
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3.4.1. Thenar Muscle Compartment28
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3.4.2. Hypothenar Muscle Compartment26
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3.4.3. Adductor Muscle Compartment15
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3.4.4. Lumbrical Muscle Compartment14
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3.4.5. Interossei Muscle Compartment23
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3.4.6. Vasculature of the Hand22
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3.4.7. Nerves of the Hand44
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3.5.1. The Wrist Joint36
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3.5.2. The Bones of the Hand27
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4.1.1. Extensor and Abductor/Addutor Muscles of the Hand at the Wrist Joint25
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4.1.2. Extensor Muscles of the Medial 4 Digits25
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4.1.3. Extensor and Abductor Muscles of the Thumb29
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4.1.4. The Supinator Muscle10
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4.2. The Radial Nerve28
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4.3. Anatomical Snuffbox20
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4.4. Joints and Movement of the Hand21
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4.5. Fascia of the Hand11
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4.6. Ligaments in the Hand17
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4.7. Tendons in the Hand (Extensor Expansion)18
