WILMINGTON, Mass. — Here are some quick-hit notes after the Bruins’ prospects went through their off-ice testing on the first day of development camp at Ristuccia Arena.

•When I spoke to defenseman Matt Bartkowski in the spring just after his season at Ohio State, he said he was 90 percent committed to staying in school.

Now he’s a full-fledged pro attending his first development camp.

“I guess the other 10 percent kicked in,” he said after the strenuous physical testing the Bruins put their pups through.

“It just came down to talking to my parents and weighing all the options,” he continued. “I can get schooling in the summers and I’ll finish my degree. So it’s just the right time right place and I decided to sign.”

Bartkowski had planned to follow in the footsteps of his father and other family members in the field of engineering. Now he’ll probably have to change majors when he resumes taking courses next summer. This summer, he’s concentrating on getting ready for his first pro season, which will probably he spent with the Providence (AHL) farm club.

•Bruins ’09 first-round pick Jordan Caron suffered a broken collarbone last August at the Canada World Junior team tryout camp. He bounced back to posted 53 points (26 goals) in 43 games for two different teams.

“I had a very strong second half of the season,” said Caron. “I had good numbers too. We worked pretty hard with the coaching staff and stuff on my game, and I think I had a very good second half of the season after the World Juniors.”

Bruins assistant general manager Don Sweeney said Caron did well to dispel any worries about lingering problems from the injury.

“It was really nice for us to see that. In particular, making the World Junior team and playing in a different role,” said Sweeney, referring to the shutdown, match-up mode Caron was in on the WJC club.

•Defenseman Tommy Cross was held out of the running test in order for the club to be extra careful with his knee, which has suffered a couple injuries over the years and limited his participation in past camps.

•Everyone on the roster released last week by the Bruins has shown up for this camp.