Most of the dorsal metacarpal arteries arise from the dorsal carpal arch and run downward on the second, third, and fourth dorsal interossei of the hand and bifurcate into the dorsal digital arteries.
The majority of the dorsal metacarpal arteries arise from the dorsal carpal arch and run downwards on the second, third, and fourth dorsal interossei of the hand, ultimately dividing into the dorsal digital arteries.