Anatomy - Upper Extremities

Question 1

golfers elbow occurs when there is inflammation and pain in the muscles that attach to the __________

Answer 1

lateral epicondyle

Question 2

trace the path of blood supply from the axillary artery to the brachioradialis

Answer 2

axillary artery> deep brachial artery>radial collateral artery>radial recurrent artery>brachioradialis muscle

Question 3

what are the extensor hoods?

Answer 3

extensor hoods (aka extensor expansions) = common attachment site to all the tendons inserting onto the digits. act as pulley systems

located on all 5 fingers, one shown in blue

Question 4

what are the two muscles that supinate the forearm

Answer 4

supinator and biceps brachii

Question 5

what posterior deep arm muscle is this

Answer 5

abductor pollicis longus

Question 6

what muscle is shown

Answer 6

extensory pollicis brevis