ESPN

WALTHAM, Mass. -- Rajon Rondo and Rasheed Wallace were limited during the Boston Celtics' practice session Monday at the Sports Authority Training Center at HealthPoint.

Rondo, who suffered muscle spasms during the Eastern Conference finals against the Orlando Magic, then landed hard on his back during a first-quarter drive in Friday's clinching Game 6, participated in what Celtics coach Doc Rivers estimated was 3/4 of the practice, but was held back with eyes towards Thursday's Game 1 of the NBA Finals against the Los Angeles Lakers.

Wallace developed back spasms during Game 5 against Orlando, then departed in the fourth quarter of Game 6 when symptoms worsened. Rivers held the reserve big man out of contact drills and remains concerned about his availability moving forward.

Rondo was on the court and active during 5-on-5 drills to close out the session; Wallace watched from the sidelines.

"Rondo felt pretty good, he went 75-80 percent of practice," said Rivers. "Rasheed is not right yet, he did the skeleton offense stuff, but other than that, we didn't allow any contact. So if we have a concern right now with anybody, [Wallace] would be the only one."

Rivers noted that Marquis Daniels, who suffered a concussion in Game 5 against Orlando, will remain sidelined indefinitely. That means Brian Scalabrine, who ran through drills with the second team at the end of Monday's practice, will likely be active for at least the start of the Finals and possibly the entire series.

"Marquis is out," said Rivers. "I don't know if it's the whole Finals, but right now he's out."

Glen Davis, who also suffered a concussion in Game 5, but returned to play in Game 6, remains fine in the eyes of Rivers -- but the coach couldn't resist a jab.

"Baby, who knows?" Rivers said with a smile. "Do we ever know with Baby?"

Center Kendrick Perkins was still sporting tape over his sprained right wrist, but participated fully, as did Tony Allen, who continues to nurse a sore ankle after twisting it in Game 2 against the Magic.