JUPITER, Fla. — St. Louis Cardinals third baseman Troy Glaus said the search to explain and address why his rehab has stalled will include altering both his schedule and his workouts to see if either benefits his surgically repaired right shoulder.

“The process has leveled off, and we’re trying to find something that kicks it back in,” Glaus said Sunday morning at the Cardinals’ training facility at Roger Dean Stadium. “We didn’t go backward. We just need to figure out what we can do to get it going back forward.”

Glaus had surgery in January to cleanup his right shoulder after discomfort lingered through his workouts this winter. The surgery he had, performed by Dr. Lewis Yocum, was not a repair or a reattachment — it was what is called a debridement. Glaus went last week to Los Angeles to visit Yocum for a scheduled eighth-week checkup. An MRI was taken of the joint to see if Glaus sustained a new injury or a tear in the shoulder during his rehab.

A week before the checkup, Glaus halted all baseball activities.

He cannot be sure when he’ll again pick up a bat or heave a baseball.

Glaus agreed that every day spent now without a baseball activity is likely another regular season game lost. That is why he, the team trainers, team physicians and team officials will meet in the near future to restructure his rehab.

“We’re going to talk about making a couple adjustments to the rehab, maybe different things we can focus on,” Glaus said. “Hopefully, that will have a different result and help me push ahead. … What can we do to push through it?”

Glaus was placed on the 15-day disabled list this past week. No timetable for his return has been set, though the Cardinals initially projected missing their starting third baseman for the first month of the regular season. Glaus said he didn’t want to put words in the doctor’s mouths but he imagines they think he “should be a little further along than I am.” He said there is a possibility of another checkup in LA, and that much he would like to offer a definitive answer about the recovery of his shoulder he cannot. Not includes an inability to rule out additional surgery if the rehab continues to “plateau” — the word used most recently to describe his recovery.

“If it doesn’t respond, it doesn’t response,” Glaus said. “We’re all hoping that isn’t the case. … Yes, there is discomfort. Yes, the strength isn’t where we hoped it would be. Is one causing the other? We don’t know. We’re going to put a new game plan together and see if that’s what it takes to push through.”

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