Anatomical Spaces Flashcards
What are the boundaries of the Thoracic Outlet?
- T1
- 1st rib
- manubrium of the sternum
What is the roof of the Thoracic Outlet?
- Suprapleural membrane (C7 - T1)
What are the contents of the Thoracic Outlet?
- Trachea
- esophagus
- Left subclavian artery
- Left common carotid artery
- Brachiocephalic trunk
- B/L brachiocephalic veins
- B/L vagus nerves
- B/L phrenic nerves
- T1 of Brachial Plexus
- sternohyoid
- sternothyroid
- longus coli
What are the boundaries of the Axilla?
- Anterior: Pecs
- Posterior: subscapularis, teres major, lat dorsi
- Medial: upper 4 ribs, SA
- Lateral: Bicipital groove of the humerus
What are the contents of the Axilla?
- axillary artery
- axillary vein
- cords of brachial plexus
- APICAL lymph: anterior (pec), posterior (subscap), infraclavicular, central, apical, lateral
What are the boundaries of the Quadrangular Space?
- Superior: Teres minor
- inferior: Teres major
- Medial: Long head of the triceps
- Lateral: humerus
What are the contents of the Quadrangular Space?
- Axillary Nerve
- Posterior circumflex humeral artery
- Posterior circumflex humeral vein
What are the boundaries of the triangular space?
- Superior: Teres minor
- Inferior: Teres Major
- Lateral: Long head of the triceps
What are the contents of the triangular space?
- posterior scapular branch of the subscapular artery
What are the boundaries of the Cubital Fossa?
- Lateral: brachioradialis
- Medial: Pronator Teres
- Superior: line of epicondyles
What is the roof of the Cubital Fossa?
- Medial Cubital Vein
- Bicipital Aponeurosis
What is the floor of the Cubital fossa?
- Brachialis
- Supinator
What are the contents of the Cubital Fossa (Lateral to Medail)?
- Radial Nerve
- Biceps Brachii tendon
- Brachial Artery
- Median Nerve
What are the boundaries of the anatomical snuffbox?
- Anterior: Abductor pollicis longus, Extensor pollicis brevis
- Posterior: Extensor pollicis longus
What is the roof of the anatomical snuffbox?
- cephalic vein
- superficial branch of radial nerve