Celtic striker Leigh Griffiths has consulted a specialist in order to get to the root of his persistent calf injury issues.

Griffiths broke down in a game against Hibs at the end of January and remains some way off match fitness.

The calf injuries have been a perennial problem for the Scotland internationalist with the last two seasons particularly disjointed because of it.

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Celtic manager Brendan Rodgers spoke of his and Griffith’ frustration about the recurrence of the injury and specialist help has been sought in an attempt to ascertain the reason for it.

“Griffiths was seeing a specialist over his calves the other week but even when he gets back he needs to get fit,” said the Hoops boss.

“It could be an extended period really.”

Meanwhile, there was brighter news on the injury front for Celtic with Dedryck Boyata in the running to be fit for the forthcoming game at Ibrox against Rangers.

The Belgian defender suffered a groin injury at Rugby Park earlier this month but is set to make his return over the next week or so.

Celtic play Dundee tonight and Morton in the Scottish Cup at the weekend before the trip to Ibrox.

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“Dedryck Boyata will be back after the weekend,” said Rodgers. “That will be great news. He’s looking good doing his on-field work.

“He has been top class so it would be great for us if he can be back for the game at Ibrox.”

Stuart Armstrong underwent surgery on a hernia operation in January and is also looking to close in on a return to first-team action.

“Stuart has stepped up the intensity of his training and could be back with the group in the next couple of weeks,” explained Rodgers. “It will probably be after the international break.”