Best of Boston
2010 Best Aerobics Instructor
Helena Collins, Life in Synergy
Cross a weighted ball with a giant rubber band, and you get a workout that strengthens underused muscles while stretching overused ones. Helena Collins’s resistance-training classes leave you long and lean, but these sessions are no slog—they’re so festive, in fact, there’s often a waiting list.
867 Boylston St., Boston, 617-867-6500, lifeinsynergy.com