We have two arteries in relation to lateral malloulus and medial one ( lateral malloular which is the branch from proneal artery while the other one from the posterior tibial......
Michael, why do you think the artery is superficial?? It is between fibula and m. flexor hallucis longus.
According to it beginning and end, it seems to be the tibialis posterior a., It supplies m. soleus and (partially) m. gastrocnemius, and behind the malleolus medialis has two terminal branches: plantar arteries.