Anatomic Spaces Flashcards
What are the boundaries of the thoracic outlet?
T1 vertebra, 1st ribs, and manubrium
What is the roof of the thoracic outlet covered by?
Sibsons fascia/Suprapleural membrane
What is the suprapleural membrane attached to?
TVP of C7 and inner aspect of 1st rib
What are the contents of the thoracic outlet?
Trachea, esophagus, thoracic duct, brachiocephalic trunk, left common carotic and left subclavian arteries, right and left brachiocephalic veins, left and right vagus nerves, phrenic nerves, right and left sympathetic trunks, T1 of brachial plexus, sternohyoid, sternothyroid, longus colli
What are the boundaries of the axilla?
Pec major and minor (anterior); Subscapularis, teres major, and latissimus dorsi (posterior); Upper 4 ribs and serratus anterior (medial); Bicipital groove and humerus (lateral)
What are the contents of the axilla?
Axillary artery and branches, axillary vein and tributaries, cords of the brachial plexus
What lymph nodes are located in the axilla?
Anterior, posterior, infraclavicular, central, apical, lateral
What are the boundaries of the quadrangular space?
Teres minor and major, long head of the triceps, humerus
What are the contents of the quadrangular space?
Axillary nerve, posterior circumflex humeral artery and vein
What are the boundaries of the triangular space?
Teres minor and major, and long head of the triceps
What are the contents of the triangular space?
Circumflex scapular branch of subscapular artery
What are the boundaries of the cubital fossa?
Pronator teres, brachioradialis, line between the humeral epicondyle
What are the contents of the cubital fossa?
Radial nerve, tendon of biceps brachii, brachial artery, median nerve
What are the boundaries of the anatomical snuffbox?
Abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus
What is the floor of the anatomical snuffbox?
Styloid process of radius, scaphoid, trapezium, base of the 1st metacarpus
What are the contents of the anatomical snuffbox?
Radial artery, tendons of extensor carpi radialis longus and brevis
What is the roof of the carpal tunnel?
Flexor retinaculum attached to scaphoid, trapezium, os hamate, pisiform
What is the floor of the carpal tunnel?
Trapezium, trapezoid, capitate, and hamate
What are the contents of the carpal tunnel?
Median nerve, tendons of flexor digitorum superficialis and profundus, and tendon of flexor pollicis longus
What are the borders of the ulnar tunnel?
Flexor retinaculum, pisohamate ligament, pisiform, hamate
What are the contents of the ulnar tunnel?
Ulnar nerve and artery
What are the boundaries of the inguinal canal?
external oblique aponeurosis, internal oblique, and conjoint tendon and transversalis fascia
What are the contents of the inguinal canal?
Ilioinguinal nerves, spermatic cord, round ligament of uterus (in male and female respectively)
What are boundaries of the femoral canal?
Lacunar ligament, inguinal ligament, femoral vein, and pectineus and pectineal ligament
What are the contents of the femoral canal?
Lymph nodes, lymphatics, and connective tissue
What are the boundaries of the adductor canal?
Vastus medialis, sartorius, adductor longus and magnus
What are the contents of the adductor canal?
Femoral artery and vein, saphenous nerve, nerve to the vastus medialis
What are the boudaries of the popliteal fossa?
Biceps femoris, semitendinosus and semimembranosus, and lateral and medial head of the gastrocnemius
What are the contents of the popliteal fossa?
Tibial nerve, popliteal vein and artery, common peroneal nerve, nodes, fat
What are the boundaries of the tarsal tunnel?
Medial malleolus and flexor retinaculum
What are the contents of the tarsal tunnel?
Tibialis posterior, flexor digitorum longus, and flexor hallucis longus
