FORT LAUDERDALE, Fla. -- When Miguel Tejada showed up for his first day of Spring Training, he vowed to be a more diligent player in terms of punctuality and preparation. And so far, he's been a man of his word.

Tejada has been doing extra conditioning drills long after most of his teammates call it a day, and he seems to be in excellent shape for the Grapefruit League season.

"Right now, I keep doing everything I did in the offseason," said Tejada. "That's why I do that kind of running, because we don't have the same kind of drills I did in the winter.

"I'm going to do it once the games start, too. I'll do it if I have a day off the next day."

Orioles strength and conditioning coach Jay Shiner visited Tejada twice in the winter -- once in November and once in January -- to check on the infielder's program. He contributed a few ideas of his own and mapped out a way to continue Tejada's momentum when the spring began. Shiner said Tejada started out working on a daily basis and is now working extra every other day.

"It's not just one cookie-cutter program," said Shiner, who does similar work with other players. "It's about getting to know what each guy needs, what they did and what they need to maintain to keep that condition."

Most of the drills build on a principle called sports periodization, which involves detailing and keeping track of the body's biological responses to physically induced stress. Shiner said he has attached heart monitors to athletes in live-game situations to monitor their sustained heart rate levels and to gauge their peak power outputs.

After that, he designed a workout to mimic those responses and train the body to better control them. Shiner monitors everything from the time the athlete is working to the amount of time he spends resting in between repetitions. He has the athletes move quickly and decisively, then get back into position, then move all over again.

"A lot of it's footwork. It's efficiency, working on agility," he said. "I like the phrase, 'Quick and easy,' being able to move quick and easy, efficiently, minimizing any wasted steps. And then, definitely, leg strength. We're trying to work on anaerobic exercise, and that's keeping his legs underneath him."

"I hope they want to do it, too," Tejada said of his teammates. "Everybody here has their own program. It would be great if everyone was doing it, but if they can't, they can't. I'm doing it because I want to do it."

Speed demon: Baltimore manager Sam Perlozzo was asked about center fielder Corey Patterson on Sunday, and he expressed the opinion that the outfielder is much more confident than he was last spring. Part of that is due to the successful season he just had, which Perlozzo would like to see him duplicate.

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"He had 45 stolen bases. That's pretty darned good," he said. "He's probably going to be more confident stealing third, which he didn't do quite as much last year. We don't have to be crazy with it. We've got guys that can hit, too. We'll let him use his speed as much as he did last year, and if we get that much out of him, we've still done a great job."

Perlozzo is fond of noting that you have to get on base to steal another one, but he said he thought that Patterson could steal as many as 65 in a season if everything broke right for him. Part of the reasoning behind that assertion is the fact that Patterson steals his bases despite having a lot of defensive attention centered on him.

"What you see in Corey is the fact that they pitched out on him a bunch of times and he still stole the base," Perlozzo said. "There were also times where he got what we'd call a 'late start' from first. He's got the ability to be in full gear after one step. He's fun to watch."

On the hill: Reliever Jamie Walker returned to practice Sunday and threw from the mound for the first time since he was struck in the back of the head by a line drive on Friday. Walker said he'll throw some bullpen sessions over the next few days and is believed to be scheduled for his first game action next Friday.

"I'm fine," the reliever said. "They cleared me to go. They're just being cautious, but it's all good."

Back in action: Bench coach Tom Trebelhorn was back in camp Sunday after missing several days to attend to an illness in his family. Trebelhorn was just back temporarily, though, and is expected to miss another week.

"We missed him. We really did," Perlozzo said. "He [brings] a lot of energy in the camp, and I think it was good for him to get here, take a little bit of time and take his mind off it. It seems like good things are happening in that area. We'll just keep praying."

Quotable: "There's always going to be those guys that figure it out quicker than others. And when they do, they can buzz right through the system, like [Nick] Markakis. When you know how to play the game and you see it, you can move quick." -- Scott McGregor, pitching coach for Double-A Bowie, on prospect Garrett Olson