pulsations is felt in anatomic snuff box, passes under snuff box tendons &
plunges between 2 heads of first dorsal inteross. muscles to reach palm & forms deep palmar arch;
- more proximal than superficial arch
- deep branch is complete (meaning that vessels supply all digits) in about 97% of individuals;
- in contrast the superficial arch is complete in only 80% of individuals;
- princeps pollicis present in 98% of cases, runs between first dorsal interosseous and the adductor pollicis;
- deep metacarpal arteries give branches to digital arteries of superficial palamr arch;