Who can hold their nerve after the split?

Former Scotland midfielder Charlie Adam reckons the three-way title race is too close to call and will come down to who can "hold their nerve the most" in the sprint to the finishing line.

With long-time leaders Hearts a point ahead of Rangers and three above stuttering champions Celtic, there are now just five rounds of fixtures remaining as the Premiership season enters the split.

Adam, who began his career Rangers, could make a case for any of the three sides going on to clinch what would be a momentous achievement.

"If you'd asked six weeks ago, there was an obvious winner, but now I think it's a flip of a coin," said the 40-year-old.

"I think it's week by week, game by game, and I think there's a lot of swings still to go in the title race.

"I didn't see Hearts being there at the start of the season and then I said I thought Hearts could win it and then they dropped points.

"Then Celtic were coming with a run, probably not playing as well as they feel they can, but they were picking up wins.

"And Rangers have just motored since Danny Rohl's came in, so I don't think you can really call anything.

"What a good thing it is for Scottish football that there's a bit of drama from now to the end of the season, and it's about who can hold their nerve the most."

With Celtic in Scottish Cup semi-final action against St Mirren this Sunday, Hearts and Rangers have both opted to go to abroad this week for their warm-weather training camps.

"I think it's good, it's an opportunity," said Adam.

"Hearts were looking to do that a few weeks ago and go to Dubai, but obviously, there was a problem to go there (with hostilities in the Middle East).

"And now both clubs have managed to do it. What I would say is I think they'd rather be playing here at Hampden in a semi-final.

"They've now got a chance to get the lads together, letting them relax a little bit, maybe a game of golf, a bit of dinner, just keeping them together.

"Because when you're in the training ground you don't spend as much time and you're going home and you're coming back.

"But when you're in there for four or five days, you're with everybody 24 hours a day, and it's a great way to keep camaraderie, get good team spirit and focus on the split."