There’s a new connected fitness device in town and it’s called Growl. Inspired by hardware companies like Peloton and Tonal, Growl is building a boxing bag that you can attach to your wall at home.

As a boxing instructor, I find that many of my clients take up the sport for its mental health benefits: It can serve as an outlet for releasing anger, reducing stress and increasing self-esteem.

My first foray into group fitness was in 2013. The place was called ilovekickboxing, and while their website left something to be desired, I loved the workout and community. From that day on I was ...

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.

As a boxing instructor, I find that many of my clients take up the sport for its mental health benefits: It can serve as an outlet for releasing anger, reducing stress and increasing self-esteem.

Kronk Gym has reopened inside the historic Brewster Wheeler Recreation Center in Detroit, at 670 Wilkins St. in the city’s ...