Once-endangered boxing gyms having a unisex renaissance ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Jim Davis/Globe Staff Anthony Rego, 14, left, and Anthony Samayoa, 11, are among the young boxers who work out at the Somerville Boxing Club. Jim Davis/Globe Staff Jake Detar,12, of Somerville, worked up a good sweat during a workout. Jim Davis/Globe Staff Norman Stone of the Somerville Boxing Club helped Kourtney Yurko wrap her hand before her workout. Jim Davis/Globe Staff Until recently, many boxing gyms were for men only. But more women see the sport as a great fitness activity. Jim Davis/Globe Staff The upsurge in boxing gym memberships is part of a renaissance of the “sweet science” that for years has been stuck with a sour image. Jim Davis/Globe Staff Dylan Fernandes, 13, got some punches in on the heavy bag. Jim Davis/Globe Staff The Somerville club was based in more than half a dozen previous venues before setting up in the basement of the Edgerly School. Jim Davis/Globe Staff The Somerville club now has more than 400 members.