WILMINGTON, Mass. — It was power skating day at Bruins development camp at Ristuccia Arena today.

Continuing his role as a leader of the club’s up-and-comers, center Joe Colborne was often used as the demonstrator for the power skating drills, which were quite strenuous.

Some of the guys did the drills better than others.

Here’s a short video of what the drills looked like and how some of the players fared: