Blood supply of the hand can be difficult to understand. Watch this illustrative video and learn the arterial arches formed in the hand, all their branches and routes. 0:12 radial artery 0:22 ulnar artery 0:44 palmar carpal arch 1:07 superficial palmar arch 2:00 deep palmar arch 3:45 dorsal hand supply 4:10 dorsal carpal arch