Every day in the late afternoon to early evening, several dozen kids and young adults gather at an Allentown boxing gym to ...

Boxing has surged in popularity in recent years as a mainstream fitness activity, with many gym chains and health clubs offering classes and equipment for those interested in taking up the sport.

At Rumble Boxing, expect to get a boxing-inspired, full-body strength and conditioning workout. If that weren't enough to make you feel like Rocky, each workout is set against a backdrop of hip-hop ...