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
What is the floor of the anatomical snuffbox?
- Radial styloid
- Scaphoid
- Trapezium
- 1st metacarpal
What are the contents of the anatomical snuffbox?
- radial artery
- extensor carpi radialis longus tendon
- extensor carpi radialis brevis tendon
What is the roof of the carpal tunnel?
- Flexor retinaculum attached to STOP
- Scaphoid
- Trapezium
- Os hamate
- Pisiform
What is the floor of the carpal tunnel?
- Trapezium
- Trapezoid
- Capitate
- Hamate
What are the contents of the cubital fossa?
- medial nerve
- flexor digitorum profundus
- flexor digitorum superficialis
- flexor pollicis longus
What are the boundaries of Guyon’s Canal?
- Medial: pisiform
- Lateral: Hamate
What is the roof of Guyon’s Canal?
- Flexor retinaculum
What is the floor of Guyon’s Canal?
pisohamate ligament
What are the contents of Guyon’s Canal?
- Ulnar artery
- Ulnar Nerve
What are the boundaries of the Inguinal Canal?
- Anterior: external oblique aponeurosis, internal oblique
- Posterior: conjoint tendon, transversalis
What is the roof of the Inguinal Canal?
- internal oblique
- transverse abdominis
What is the floor of the Inguinal Canal?
- Lacunar ligament
- Inguinal ligament
What are the contents of the Inguinal Canal?
- Illioinguinal nerve
- Spermatic cord
- round ligament
What are the boundaries of the Femoral Canal?
- Medial: Lacunar ligament
- Anterior: Inguinal ligament
- Lateral: Femoral Vein
- Posterior: Pectineus, Pectineal ligament
What are the contents of the Femoral Canal?
- lymph nodes: cloqeut or rosenmuller
What are the boundaries of the Adductor (subsartorial or hunters) Canal?
- Anterolateral: Vastus Medialis
- Medial: Sartoris
- Posterior: Adductor Longus, Adductor Magnus
What are the contents of the Adductor Canal?
- Femoral artery
- Femoral Vein
- Saphenous Nerve
- nerve to vastus medialis
What are the boundaries of the popliteal fossa?
- Superiolateral: Biceps Femoris
- Superiormedial: Semimembranosis, Semitendonosis
- Inferolateral + Inferomedial: heads of the gastrocnemius
What is the roof of the popliteal fossa?
- short saphenous vein
What is the floor of the popliteal fossa?
- femur
- end of knee
- poplitealus
What are the contents of the popliteal fossa (Deep to superficial)
- Popliteal artery
- Popliteal vein
- common peroneal (fibular) nerve
- Tibial Nerve
What are the contents of the Tarsal Tunnel?
- posterior Tibial tendon
- Flexor digitorum
- Posterior Tibial artery
- Posterior Tibial Vein
- Posterior Tibial Nerve
- Flexor Hallucis longus
