hand and wrist Flashcards
what is the lateral border of the anatomical snuff box?
Tendons of the extensor pollicis brevis and abductor pollicis longus
what is the medial border of the anatomical snuff box?
tendon of the extensor pollicis longus
what is the floor of the anatomical snuff box?
carpal bones (scaphoid and trapezium
what is within the snuff box?
radial artery
What are the two arteries that supply the scaphoid bone? which one is most distal?
Superficial palmar arch (distal)
Dorsal carpal branch of radial artery (Proximal)
what are the branches of the axillary artery?
- superior thoaratic
- thoracoacromial and lateral thoratic
- subscapular and anterior circumflex and posterior circumflex
what does profunda brachii artery supply?
hummeral shaft and the postrior compartment of the arm
what nerve roots does the long thoaratic nerve branch from? and what is a symptom of this being injured?
C5,6,7 roots
and causes a winged scaplua x
what is in the carple tunnel?
The median nerve
The tendon of the flexor pollicis longus
four tendons of the flexor digitorum profundus
Four tendons of the flexor digitorum superficialis
what two tendons does the median nerve sit inbetween when passing through the carple tunnle?
flexor pollicis longus and the most radial flexor digitorum surperficialis tendon
where does subscapularis arise from?
subscapular fossa on the costal surface of the scapular
where does the subscapularis insert?
The lesser tubercule of the hummerus (the only rotator cuff to insert not on the greater tubercle)
what nerve inovates infra-spinatus?
Suprascapular nerve (c4,c6)
where does the cephalic vein form?
Within in the anatomical snuff box
can not abduct the sholder or flex the elbow, arm held in pronated position - what injury is this indicative for?
Erbs Palsey
injurt to the superior trunk