Anatomical Spaces Flashcards
Thoracic outlet (superior thoracic aperture) boundaries
T1 vertebra (posterior), 1st ribs (lateral), and the manubrium of the sternum (anterior)
Axilla boundaries
Pec major and minor (anterior), subscapularis, teres major, and latissimus dorsi (posterior), and bicipital groove of the humerus (lateral)
Contents of the axilla (APICAL)
axillary a. and branches, axillary v., cords of brachial plexus and six groups of lymph nodes (APICAL) Anterior (pectorial), Posterior (subscapular), Infraclavicular, Central, Apical, and Lateral
Quandrangular space boundaries
teres minor (supieror), teres major (inferior), long head of triceps (medial), humerus (lateral)
Contents of the quadrangular space
axillary nerve and posterior circumflex humeral a. and v.
Triangular space boundaries
teres minor (superior) teres minor(inferior) long head of triceps brachii (lateral)
contents of triangular space
circumflex scapular branch of the subscapular artery
cubital fossa boundaries
pronator teres (medial), brachioradialis (lateral), imaginary line between humeral epicondyles (superior)
Contents of cubital fossa from lateral to medial
radial nerve, tendon of biceps brachii, brachial artery, and the median nerve
anatomical snuffbox boundaries
tendons of abductor pollicis longus and extensor pollicis brevis (anterior), and tendon of extensor pollicis longus (posteiror)
contents of anatomical snuffbox
radial artery, and tendons of extensor carpi radialis longus and brevis
Carpal tunnel roof (STOP)
flexor retinaculum - primary fibrous square attached to the following carpal bones: Scaphoid, Trapezium, Os hamate, and Pisiform (STOP)
Contents of carpal tunnel
median nerve, tendons of flexor digitorum superficialis and profundus, and tendon of flexor pollicis longus
Guyon’s tunnel (ulnar) contents
ulnar nerve and ulnar artery
Inguinal canal boundaries
external oblique aponeurosis and internal oblique with the conjoint tendon and transversalis fascia