Helena Collins

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. RUNNERS-UP: Dennis Goldsmith, Sports Club/LA and Boston Sports Club; Claudia Busto, Boston Sports Club

Life in Synergy, 867 Boylston St.
2nd Floor
Boston, MA
617-867-6500
lifeinsynergy.com