Carlisle United boss Rob Elliot has played down fears over the injury that saw David Ajiboye substituted in the first half against Salford City.
The wide man had to go off in the 39th minute after twice needing treatment to a back injury.
Elliot, though, said he expects Ajiboye to have suffered no lasting damage and expects him to be fit for the start of the season.
"He's fine - he'll be alright," said Elliot.
"He just got a couple of whacks in one go, and sometimes with that, when you get a whack in the back, your muscle spasms and stiffens up.
"So, I'd imagine David would be absolutely fine. Whether he can play on Saturday [at Derby County Under-21s] or not, I don't know, but I would assume from now he should be absolutely fine for the start of the season."
Goalkeeper Gabe Breeze, meanwhile, missed the Salford game because of the injury he suffered at Darlington last weekend.
Elliot says he is hopeful the Cumbrian will be ready for the opening game of the National League campaign against Worthing on August 8.
"He [Breeze] had quite a nasty gash, and he's got about seven or eight staples in his knee. Not even stitches - they've had to staple it because it was quite a big gash," Elliot told the News & Star.
"He has [the staples] out in the next couple of days. We'll just have to see if Derby is too soon for him or not.
"[In terms of his availability for the Worthing game] I'm hoping so.
"It can be quite a unique area for bending your knee [with such an injury] but I don't think it's anything major, luckily - it's just more superficial."
Carlisle's other absentees for the Salford game included defenders Kenton Richardson and Brad Nicholson, but Elliot expects both to be available for the opening league game.
"Kenton's back training, so he should be available for the start of the season - he should be fit enough for the squad, at least," said the Blues boss.
"And Brad should be back training on Monday. Brad has just got an issue with his pelvic region - it's just an ongoing issue that he just has to let settle down.
"Brad's mentality is to play every game this season, but you can't take that chance in pre-season.
"It would have been great to have seen him out there tonight, but with the situation where we're at [with injuries], we just didn't think it was worth a risk to put Brad in there and [instead] we will just get him prepped and ready for the start of the season."
Elliot added that midfielder Harvey Macadam won't be ready for the start of the season, with the plan to reintroduce him to training around the time of the Worthing game as he builds back up to a return to action.
Captain Morgan Feeney will hopefully return after the first "two or three games of the season," Elliot added, with Luke Armstrong due back slightly later.
Bevis Mugabi is expected to be out for longer with Elliot Embleton also still out for "a few weeks".
Carlisle were, meanwhile, boosted by the return to action of Stephen Wearne, Junior Luamba and Hayden Atkinson against Salford.
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