His injury problems have baffled even the best medical brains.
But the time has surely come for a definitive answer to be found, even if it means James is ruled out of action for a lengthy period.
I accept that may be easier said than done, given how long he has been plagued by his sciatic nerve problem and how many specialists he has seen.
But the situation is no use to Celtic or James because no one knows when he is next going to be fit, and, more frustratingly, when he is next going to be out injured.
Neil Lennon is right to demand the kid is honest with him and the physios - even if the truth hurts.