Bloomquist missed time earlier in the road trip with back stiffness, but thought he had gotten past it.
"I don't know what's going on with it," Bloomquist said. "[I] felt fine this morning. I hit early like I normally do and put a little heat pad on it before I went out to [batting practice], and was laying on the table, and went to get off the table, and it just decided to lock up again. I don't know what's going on. It's awful frustrating."
The team will re-evaluate Bloomquist, and it's possible that he will be sent for precautionary tests. He described bending over to put his shoes and socks on postgame as an "adventure."
The D-backs played shorthanded last week while he recovered, and they did so again on Thursday, but manager Kirk Gibson does not like to be left shorthanded.
"I've had this before. I don't think there's anything major, I hope not," Bloomquist said. I don't want to go on the [disabled list] if I don't have to. I don't think it's one of those things that will need two weeks, but I also don't want to hamstring the team, either. Every game is important, and playing a man short is tough. I'm hopeful it's only going to be a couple-of-days thing and I'll be ready to go again."