As a professional basketball player, having long arms and legs is pretty much expected. Once and while, however, long limbs have the ability to catch athletes off guard by their mere existence. At least that’s what we think was going on in Tim Duncan’s head during the Spur’s Western Conference game against the Timberwolves.

After reading through the comments, the consensus suggests that he was simply checking for towel residue, but we simply find the “Oh my God, I have ARMS?!” theory to be way more entertaining. Check out the funny clip below.